Spun Bearing


The bearing is in two pieces, half in the rod and half in the rod cap. but if it was a spun bearing wouldnt i have a progressively louder or rougher idle? or loss in acceleration? because i dont have these and ive been driving with this sound for about 2 months now, hitting vtec at least once a day. RickChase November 2, 2021, 3:46pm #1. I will explain why soon. A main bearing knock will typically be a "single" knock. At first I blamed Cobbs Flat Foot Shifting as the Lack of oil; When changing the oil just before the spun bearing I did notice metal flakes in the oil pan. Joined 12 mo ago 路 120 Posts. This video is great for people that aren't familiar with what a spun or knocking rod bearing. Rod bearing would require a crank and rod(s). A "spun" bearing means that the bearing itself spun inside the block saddles - usually, a fairly difficult to repair thing, because you have to prevent it from happening again. I spun a rod bearing 4 miles after a OFHG repair at the dealer. If this is what you mean then when (not if) the engine blows up then you'll lose power assistance on. This is the proper way to repair a shaft that has had a bearing spun on it. Hello all been awhile since ive posted on here but read on here pretty regularly. never seen a spun bearing under normal engine operation with oil in the sump. When I tore the engine down, it had one spun bearing, and two others show a ton of wear. Replies: 38. $140 gets me a crank grind (if its salvageable). Click to expand That was my thought. Spun bearing in Ford FE 482 stroker? Take that Torington bearing from behind the timing gear, and throw it away, replace it with a thrust washer. 馃檨 This is NOT supposed to happen. Jan 15, 2008 #2 B. When I tore the engine down, it had one spun bearing, and two others show a ton of wear. Now what? Jump to Latest Follow Hey everyone! Rod bearings 1-5 still had a nice film of clean oil in them Then came number 6. I spun No 5 shell at the Diamond Rock event. Truck started running rough and the check engine light came on. So here is the story. solution I came up with is +\- 4500rpm rev limit , low rpm rev limit gives long life for diesels. Installing a bearing in an undersize housing hole increases crush and will cause the steel back to yield and get thicker at the point of least. 2,182 Posts. spun bearings on new ZX14r 04/07/14 10:08 PM. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. Im the second owner of the car since '07 when i bought it with 68k on the clock. You may have seen the episode where Marty's WRX spun a bearing, but what exactly happens when you "spin a bearing" in a motor, and why is it so bad?. Spun Main Bearing - Out of Warranty. Now would be a good time to replace the enging with a LLY, as it is almost a Plug n Play in a 03. Give your car a new look and style with accessories from Spun Bearing Automotive. all other bearings and journals are so good that I can still read the bearing. Last edited by HEMIDON; 04-15-2009 at 11:16 AM. Spun Bearing on Left Side of Rear Wheel. 5) too sloppy for our cars, instead of the tight. If you do not do this, you are just going to cause yourself to spin another bearing. In a previous post I detailed getting a used replacement engine put in my '00 Outback. The engine spun over fine when assembling it, just not good enough at 5000 rpms. i spun a rod bearing like a month ago, and the car has been sitting since, unsure of what to do. To find which cylinder, you can pull the plug wire off when it's running, if the knock goes away, that's the bad bearing. OK I spun a bearing at the local super lap about a year and a half ago. A main bearing knock will typically be a "single" knock. I came close to a spun bearing on either 1,or 4 cylinder i believe. I never knew this! I thought it was still under investigation as to why these engines spin bearings. 8,853 Posts. When I got home I dropped the oil pan and found a spun connecting rod bearing. I was burning lots of oil thanks to cracked ringlands on two of my pistons. When tearing the engine apart to get to the spun bearing, what's all involved in fixing/replacing to fix the issue. Pulled NGK spark plugs, and all looked good EXCEPT #3 on coil pack side - center electrode (made of nickel) was gone. Rod bearing make a double knock when they fail, mains a single. Used motors on Car-part. If you can see any movement of the crankshaft, the bearing has spun. Summer track days I step up to. 999999% of all bearing failure is due to dented oil pans. in my search, i also came across another l20b that also had a spun bearing. Jump to Latest Follow 1 - 4 of 4 Posts. This is the proper way to repair a shaft that has had a bearing spun on it. Machining is typically done via "stages" so that bearings can be manufactured. is the main cause of spun bearings, although there are other causes. i see spun bearings are a common occurance for our cars, especially the older ones, and i'm wondering what exactly a spun bearing is, and what i should do to check the health of mine, what symptoms i should know about that would indicate it's going to happen soon, how expensive the repair would cost, etc. Save Share. Car was bought bone stock with only a catback exhaust and a Ls6 intake installed on it. and my car started to run different after the timing change, i also used 91 octane. 5" inches running 37's. g-wizz 路 Banned. I recently spun a bearing due to oil starvation. There's a high probability his axle housing is also fubar'd but he may not know about it. 2,182 Posts. $140 gets me a crank grind (if its salvageable). So here is the story. i spun a bearing using royal purple. It went around 400 miles before a chunk of new rod bearing went right through the side of the pan. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. i only went to 17* degrees and i think that was the blow to the motor. Spun Main Bearing - Out of Warranty. That'll take out a couple of rod bearings real quick. It had a loud thicking sound around 2-3k rpms, other than the sound it drove great. Discussion Starter 路 #1 路 Jun 3, 2010. i used that stuff religiously. If you can see/feel more than the tiniest motion (0. If you suspect it being spun, you can drain the oil can look for glittery bearing material. but if its too bad, no chance of saving it. surely goodness and mercy will follow us all the days of our lives 2016 320 f30 2011 328IX. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. Spun bearings are often blamed on a loss of oil pressure, but there can be numerous contributing factors that eventually cause the bearing to seize and spin. New factory mtr ( 1. When a rod or main bearing lacks lube (or otherwise seizes to the crankshaft journal) it is torn loose from the bore in the rod or the mainbearing bore and it's locating tabs are ripped off it it "turns" with the crankshaft, ruining. I spun a rod bearing 4 miles after a OFHG repair at the dealer. the rod can be cut and reconditioned, but I would replace since your more likely to be replacing the crank as well. the crankshaft and rod is ruined. i have been on this board for many years now, and all i can say is every. i spun a bearing using royal purple. Anyway, two weeks ago it spun a rod bearing (#1 cyl). all other bearings and journals are so good that I can still read the bearing. If the engine refused to crank and the cause was determined to be stacked inserts on a galled out crankshaft it is certain that the galling and wiped out bearing occurred prior to the engine's final shut down. The process involves feeding the wire to the tungsten electrode and then compressed air blows the molten metal on the shaft that is being built up for repair. Joined Aug 14, 2011. solution I came up with is +\- 4500rpm rev limit , low rpm rev limit gives long life for diesels. Usually lack of oil, that can be combined with high temperature, maybe unusually high rpm's. Engines #2 and 4: Too high rpm. Rod bearing would require a crank and rod(s). 14K miles later the rod bearings spun again. I bought a used Traction-Lok (Ford 8. Said one channel was enough to sink his fingernail into. 2017 Kia Soul - Spun bearing. 2,057 Posts. solution I came up with is +\- 4500rpm rev limit , low rpm rev limit gives long life for diesels. Recently i did an LS7 clutch upgrade at 102k. I had to get the crank shaved. I am going to pull the pan to see if it spun a bearing since I have some resemblance of a knock now. Anyone here suffer a spun bearing? I just had this happen. I will explain why soon. I tore it down to figure out what is exactly wrong and what needs replacing. It is probably worth saving if you do the work yourself or the rest of the car is in top shape and crank/bearing job is half of what it would cost to buy another sts-v. i was going to order a crankshaft kit, but it is on backorder from mopar. Crank slightly discolored as well. 006"-- same feel as a normal tappet movement), the end-play is excessive, usually. As far as damage done, you are probably looking at getting a new crankshaft as usually spinning a bearing will tear destroy it. Both of the previous postings give a fairly good explanation of the situation. Good oil and pressure before it spun, 40-60 hot, 80+ cold, it wasn't overheated, 190 a couple time, no break-in issues, rev limiter used on the ignition system, total timing at 36, eight 1/8 mile passes. So I pulled my 12 bolt posi rear end apart out of my 65 Impala to get it blasted and powder coated. This noise is a LOT less drastic than a spun bearing. 87linkin 路 Registered. Dealer stepped up and R&R with used (8000 miles less than what I had) motor. A spun rod bearing will tear up the big end bore in the rod, ruin the rod journal on the crankshaft, and sometimes break the connecting rod. If this is what you mean then when (not if) the engine blows up then you'll lose power assistance on. all other bearings and journals are so good that I can still read the bearing. Used motors on Car-part. It is either spun, or it is not. They ordered a new connecting rod, rod bearing and main bearing set, and a crankshaft. is the main cause of spun bearings, although there are other causes. #2 路 2 mo ago. This is a discussion on Spun Bearing rebuild advice within the Internal Engine forums, part of the LSx Technical Help Section category; Hello everyone, A couple of years ago I believe I spun a bearing in my 01 Trans Am, LS1. The crank has scoring and the rods have scoring. Many times the oil pressure will not be effected by a spun bearing because the bearing sometimes blocks the galley hole or the clearance is not excessive enough to drop the pressure. the crankshaft and rod is ruined. Sometimes oil sampling cant predict a delamination then rapid failure like John said. Jump to Latest Follow 1 - 4 of 4 Posts. My question is can I fix this in the truck w. He didn't include the bearing races so I can't use that as a second opinion. surely goodness and mercy will follow us all the days of our lives 2016 320 f30 2011 328IX. Engine #1: Anti-freeze in the oil. I have 120,000 miles on the vehicle so I obviously am past the warranty. the rod can be cut and reconditioned, but I would replace since your more likely to be replacing the crank as well. turned out I spun a bearing in the main capfast forward: got a 400 block, re-installed the internals from the 383 to the 400, except replaced the. It is either spun, or it is not. October 26, 2017 鈥 A Subaru WRX and WRX STI engine knock and spun bearing lawsuit alleges metal debris contaminates the oil from defective connecting rod bearings and causes total engine failure. When damage to a rod bearing is confirmed, it should be replaced. It has just over 5000 hrs. I did a full lap, pitted, then shut off. Naturally, after researching WTF a spun rod bearing is, we started clinging to hope that maybe they were wrong, and did some DIY dx at home. Explaining what a spun rod bearing looks like. Was coming home from a show in my 1929 lafrance Firetruck (29 Buick Master 6 drive train) when the engine developed a terrible knock and began to overheat. It's 100% non tune related but just the nature of the beast with a 3800. This video is great for people that aren't familiar with what a spun or knocking rod bearing. A crankshaft main bearing spun could ruin the engine block as well as the crankshaft, and a spun connecting rod bearing wouldn't necessarily damage the block but would ruin a connecting rod and damage the crankshaft as well. I most likely spun a rod bearing at a track event yesterday. In a nutshell, I took it to the local Subaru dealer and Zurich paid for a new shortblock. I did not have any oil pressure lights on which is usually associated with a spun rod bearing. very difficult to diagnose without hearing some of the valvetrain experts might comment on that part. This type of issue can happen in different types of vehicle engines, such as gasoline, diesel, stock, and racing engines. basically, i can insert the bearing outer race with my fingers. 8", 28 spline) from someone and the ring gear side differential carrier bearing was spun. What is a spun bearing? In this video you will learn what a spun bearing is, why a bearing spins, what can cause a bearing to spin, what are the symptoms. To find which cylinder, you can pull the plug wire off when it's running, if the knock goes away, that's the bad bearing. yes a spun bearing will put alot of metal in the oil. It will either run forever, chip a piston or spin a bearing and rod knock itself to death. Spun wheel bearing, do i need new hub? OK, so a rear wheel bearing completely melted down on my rear axle, to the point where I had to cut the axle to remove the rear wheel. #2 路 2 mo ago. Spun main bearings are a disaster, but if you kill the ignition before things get critical and the parts hastily leave the crankcase, you can usually save the block. Dec 14, 2006. A crankshaft main bearing spun could ruin the engine block as well as the crankshaft, and a spun connecting rod bearing wouldn't necessarily damage the block but would ruin a connecting rod and damage the crankshaft as well. Installing a bearing in an undersize housing hole increases crush and will cause the steel back to yield and get thicker at the point of least. Came close to doing some damage on the crank. Discussion Starter 路 #1 路 8 mo ago. Sometimes the bearing catches on the crank and starts spinning with the crankshaft, which builds an intense amount of heat that can lead to con rods snapping and blowing the entire block apart. A little info on my 02 T/A Ws6. i know alot of you know this by now. spun rod bearing. probably not spun. When a bearing spins the lubrication layer fails so the journal rubs against the insert surface. I tore it down to figure out what is exactly wrong and what needs replacing. Any chance I could get by with just a crank (new or polished), oil pump and cooler, bearings and a good cleaning? It would at least be a good time to put in a less aggressive clutch and do a TGV delete. Spun Bearing. For the record, my roommate spun the bearing in his 2008 STi. This bearing came from the 3. I recently acquired a 1994 Chevy Blazer with a 4. The engine spun over fine when assembling it, just not good enough at 5000 rpms. In this video you will learn what a spun bearing is, why a bearing spins, what can cause a bearing to spin, what are the symptoms, and how do you fix it. Spun bearings are often blamed on a loss of oil pressure, but there can be numerous contributing factors that eventually cause the bearing to seize and spin. We had that problem with the Cats in 2001, recalled off of shelf but fix as fail in trucks. It had a loud thicking sound around 2-3k rpms, other than the sound it drove great. @Spun_Bearing. Better consider finding a different block. It's 100% non tune related but just the nature of the beast with a 3800. RickChase November 2, 2021, 3:46pm #1. A "spun" bearing means that the bearing itself spun inside the block saddles - usually, a fairly difficult to repair thing, because you have to prevent it from happening again. IMO: When it comes to a "main" bearing spinning, my rule of thumb is replace block (if personal ski). Replaced all the bearings, gaskets, and new 13. New motor time. Thread starter Green Machine; Start date Oct 3, 2013; Oct 3, 2013 #1 G. Is that it? Basically, "spun" means a ball bearing loses its spherical shape and becomes particles or a lump?. Spun bearing in Ford FE 482 stroker? Take that Torington bearing from behind the timing gear, and throw it away, replace it with a thrust washer. In other words, see if the crankshaft can be push-pulled long-wise through the case. I definitely have some play though. Yup, spun bearing. Give your car a new look and style with accessories from Spun Bearing Automotive. The number three cylinder rod bearing spun. The oil pump is the M77v mellings. Click to expand oil starvation, not rpms. I would inspect the oil for metal flakes. The crank bearing are made up of copper and other materials. If you suspect it being spun, you can drain the oil can look for glittery bearing material. Last edited by HEMIDON; 04-15-2009 at 11:16 AM. When you spin a bearing it's usually from being warped on the cap(main or rod etc. surely goodness and mercy will follow us all the days of our lives 2016 320 f30 2011 328IX. i cant believe how badass these bikes are that they. I bought a used Traction-Lok (Ford 8. Don't just try to replace the bearing that's bad. Worth a Rebuild? - posted in Spec Miata Garage: I spun a rod bearing on track a while back and quickly developed a pretty nice rod knock. I think its ticking because of the loss of oil pressure due to the main beaing ****ed. A nasty buildup of bearing material on the crank journal. Correct me if Im wrong but if your main caps werent torqued down to the correct specs, i. N盲yt盲 lis盲盲 sivusta Spun Bearing Automotive Facebookissa. I replaced a bum engine with another bum. Joe Keene discusses the features and benefits of ACDelco GM OE and ACDelco Spark Plug lines. 060 over 4-bolt with a forged crank, h-beam rods, 13. If the bearing has not spun or seized, you drop the oil pan, take the rod cap off of the rod and put the new bearing in. 2,065 Posts. I even went through the trans. Joined Feb 7, 2010 路 47 Posts. 5'' exhaust, stock airbox, 70mm tb, 75mm MAF, 24lb. yes, it sounds like a spun bearing to me. The spun bearing in your case would not be from the excess oil pressure caused from thick oil, in fact, thicker oil raises oil pressure. manual says to pull engine to remove oil pan. working on a friends kia soul because it is out of warrantee and they cant afford a $5000 bill. Maintenance/Repairs. Ball bearings have spherical rolling elements and are used for lower load applications, while roller bearings use cylindrical rolling elements for heavier load carrying requirements. Metal in the oil filter would need to be small enough to be pulled through the screen on the intake and then could be chewed up again by the oil pump before entering. Clearances are. The cause was possibly the air lock I had in the coolant system that day which in turn led to engine overheating to the point where the oil lost its. no idea about spun bearings so what do i need to look out for and/or do not to have. 509 cam w/ more street friendly, and put on performer 383 eddy intake instead of the torker II, and changed the stall convertor from 3500 to 2400, and went to a holley 770 street avenger elec. BMW makes undersized bearings for this purpose. If you spun a bearing, you will see all kinds of material in your oil pan. 2,057 Posts. A spun rod bearing will tear up the big end bore in the rod, ruin the rod journal on the crankshaft, and sometimes break the connecting rod. There's a high probability his axle housing is also fubar'd but he may not know about it. I would inspect the oil for metal flakes. Truck started running rough and the check engine light came on. The number 1 killer of subaru bearings is poor maintenance, check your oil level constantly and run the right oil. If the rod bearing spun and you didn't have catastrophic engine failure consider yourself lucky. Joined May 22, 2007 路 3,384 Posts. Below is a picture of a spun main bearing-. Connecting rod bearings are two piece bearings, and are fixed in place by tabs in the connecting rods. A spun rod bearing may also be caused by wearing down of the bearing with time, or even due to improper assembly in the engine. 4,661 Posts. A crankshaft main bearing spun could ruin the engine block as well as the crankshaft, and a spun connecting rod bearing wouldn't necessarily damage the block but would ruin a connecting rod and damage the crankshaft as well. in my search, i also came across another l20b that also had a spun bearing. I asked about metal in the rest of the engine and he said the only concern is the oil pump which they are also. Jump to Latest Follow 1 - 12 of 12 Posts. The best case scenario for fixing a spun bearing is you'll replace the crank, rods and pistons, but the block is often also toast so you need a complete new bottom-end on your motor. Recently i did an LS7 clutch upgrade at 102k. After working very hard to maintain my 2011 Camaro SS, my oil pump failed causing my motor to spin the front main bearing. I was burning lots of oil thanks to cracked ringlands on two of my pistons. 060 over 4-bolt with a forged crank, h-beam rods, 13. We had that problem with the Cats in 2001, recalled off of shelf but fix as fail in trucks. No cross contamination oil and coolant. I just bought a 2014 zx14 and this has me concerned. 2017 Kia Soul - Spun bearing. Symptoms are I was low on oil, heard a weird flapping/knocking noise (difficult to hear at speed), loss of power, loss of virtually all oil pressure (I have a gauge), coughs a bit of smoke on startup. Discussion Starter 路 #1 路 Nov 18, 2012. I couldn't get this video to embed for the life of me. Bearing insert is the cheap part of the repair. 45 UP, flex fuel sensor/E85, Ice box, weapon x hx, ID 1050x injectors, headers, tune 15psi. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. Recently i did an LS7 clutch upgrade at 102k. Discussion Starter. My guess is ive lost a journal on my crank - so im considering a rebuild. Spun bearing in Ford FE 482 stroker? Take that Torington bearing from behind the timing gear, and throw it away, replace it with a thrust washer. Used motors on Car-part. I tore it down to find 3 spun rod bearings and one spun main 鈥 read more. Installing a new bearing may not be a press fit when they install the new bearing/bushing. Thank you to those that provided donatio. What causes a rod bearing to spin. On a side note while watching the NHRA Denver race on TV last weekend I noticed on a bunch of the nitro engine tear-down shots from the pits that a number of the Top Fuel & Funny Car engines had a front-to-rear external oil line very similar to the Cleveland stuff. working on a friends kia soul because it is out of warrantee and they cant afford a $5000 bill. I am imagining that a "spun bearing" is when ball bearing, or a roller bearing (cylinder) somehow hits a snag or otherwise deforms, so that it either disintegrates or maybe becomes a steel raisin. If your block is good, hone to 365 and do stock crank with new rods/pistons and bearings, if you want to do a nice budget forged bottom end. Today I cut the filter open and found a whole bunch of bearing material. I spun a main bearing in my CSVT and the noise was. Im the second owner of the car since '07 when i bought it with 68k on the clock. Am I looking at piston slap, a spun bearing, or maybe a chattering throwout/pilot bearing? Thanks for the input! Reply. After the repair is competed, the new rod and main bearings need to be plastigauged to ensure proper clearance. Joined: 03/30/14. spun bearings on new ZX14r 04/07/14 10:08 PM. Super Moderator. 2,182 Posts. Explaining what a spun rod bearing looks like. So here is the story. This video has great audio of a spun and knocking rod bearing. Cases compromised a few mm on one crank journal. and has never been. I did a full lap, pitted, then shut off. extreme95gsr. Aftermath of Spun Bearing. Hint hint, heat. Spun main bearings are a disaster, but if you kill the ignition before things get critical and the parts hastily leave the crankcase, you can usually save the block. A spun bearing is bad news because it usually seizes itself around the crankshaft journal. I was driving normal in both cases. On a side note while watching the NHRA Denver race on TV last weekend I noticed on a bunch of the nitro engine tear-down shots from the pits that a number of the Top Fuel & Funny Car engines had a front-to-rear external oil line very similar to the Cleveland stuff. I did not have any oil pressure lights on which is usually associated with a spun rod bearing. Hint hint, heat. RickChase November 2, 2021, 3:46pm #1. when I spun a bearing, the motor stopped running. I have removed the engine and pulled the pan I***8217;ve attached some photos of the crank journal and bearings. What happens next depends on the bearing's location. Pulled NGK spark plugs, and all looked good EXCEPT #3 on coil pack side - center electrode (made of nickel) was gone. The crank has scoring and the rods have scoring. Maintenance/Repairs. but as long as the con rod is still bolted to the journal it can be fixed. What causes a rod bearing to spin. The bearing is in two pieces, half in the rod and half in the rod cap. very difficult to diagnose without hearing some of the valvetrain experts might comment on that part. Spun rod bearing repair or buy a shortblock? Jump to Latest Follow 1 - 16 of 16 Posts. Service manager said it was really bad, about 1/8" of play in the connecting rod. extreme95gsr. If you spun a bearing, you will see all kinds of material in your oil pan. Click to expand That was my thought. 030 and I run 40 weight. I spun No 5 shell at the Diamond Rock event. all other bearings and journals are so good that I can still read the bearing. A spun cam bearing will damage the bearing bore in the block (or head in the instance of an OHC cam), and maybe snap a timing belt or chain which then could lead in one or numerous bent valves if. in the pictures the top bearing actually spun underneath the bottom one spun bearing. Discussion Starter 路 #1 路 8 mo ago. This is the proper way to repair a shaft that has had a bearing spun on it. Top end machine shops should be no more expensive than the 'lesser'if doing the same work. 2017 Kia Soul - Spun bearing. Ede if you had to guess does this sound like a bearing or just not enough miles on the motor AND a faulty gauge?. 73 likes 路 1 talking about this. I ended getting a used engine and dropping it in. I asked about metal in the rest of the engine and he said the only concern is the oil pump which they are also. In the latter case, a connecting rod or bearings may be loosely installed, resulting in excess clearance, noise, and damage. Raga1000r 路 Registered. Clark Pulley Industries strives to be a dependable supplier that you can establish a lasting business relationship with and rely on for critical needs. OK I spun a bearing at the local super lap about a year and a half ago. Check your mains close - a lot of times the main will spin or cock slightly and close off the oil feed hole. Discussion Starter 路 #1 路 Mar 19, 2016. also when i did my compression test i had about 165psi all across, this was with TB closed. Created on: 04/07/14 10:08 PM. Both of the previous postings give a fairly good explanation of the situation. This video is great for people that aren't familiar with what a spun or knocking rod bearing. This is my first race car build and I am just looking for something to get me on track and be a mid packer. Below is a picture of a spun main bearing-. If your block is good, hone to 365 and do stock crank with new rods/pistons and bearings, if you want to do a nice budget forged bottom end. It knocked for a total of about 60 seconds before I got off the road and had it towed. 347, AFR 185, FTI cam, Systemax, shorties, 2. bearing spun. spun rod bearing. 999999% of all bearing failure is due to dented oil pans. The connecting rod material just isn't the same after the heat of a spun bearing. I finally started the bike last night. I took the first exit and a couple minutes later, as I pulled into a parking lot to check it out, the shaking stopped and the CEL shut off. Best not to run it more than absolutely necessary. Im the second owner of the car since '07 when i bought it with 68k on the clock. I'm all about the d's (. A spun rod bearing may also be caused by wearing down of the bearing with time, or even due to improper assembly in the engine. 袩芯褋谢械写薪懈械 褌胁懈褌褘 芯褌 Cory (@Spun_Bearing). I was driving normal in both cases. I never knew this! I thought it was still under investigation as to why these engines spin bearings. Brian: I have a 1086 tractor that I bought new in the early 80's. I did not have any oil pressure lights on which is usually associated with a spun rod bearing. ), it's caused by lack of lubrication or some kind of foreign material, or even. If you have ground the journal your looking at turning or replacing hte crank. A spun rod bearing is fairly common, a spun main bearing is fairly rare. That hardend shaft will break out the bottom of the dist where the hex drive is wedging it in place. primmer72 said: sounds like a starter hanging up and staying engaged or mabe not lined up properly might look at that. sell with junk motor (at what price) , 2. Ball bearings have spherical rolling elements and are used for lower load applications, while roller bearings use cylindrical rolling elements for heavier load carrying requirements. (The new bearing is loose in the engine) I also dont have an OEM oil pump retrofit "stub" to replace the left BS like I've read about in the BS delete procedure. Click to expand oil starvation, not rpms. Spun Bearing rebuild advice. If you spun a bearing, you will see all kinds of material in your oil pan. A crankshaft main bearing spun could ruin the engine block as well as the crankshaft, and a spun connecting rod bearing wouldn't necessarily damage the block but would ruin a connecting rod and damage the crankshaft as well. Spun bearing typically ruins crankshaft beyond machining limits. I definitely have some play though. That'll take out a couple of rod bearings real quick. and has never been. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. The dealer again replaced the engine under warranty, this time with a long block. The best case scenario for fixing a spun bearing is you'll replace the crank, rods and pistons, but the block is often also toast so you need a complete new bottom-end on your motor. As I spun the flywheel with the pry bar on the teeth today, on the 2 teeth it moves, everything feels so smooth, but then in both directions it's hitting a hard stop. A spun rod bearing may also be caused by wearing down of the bearing with time, or even due to improper assembly in the engine. Repairing the damage from a spun bearing could be very expensive. Joe Keene discusses the features and benefits of ACDelco GM OE and ACDelco Spark Plug lines. It is probably worth saving if you do the work yourself or the rest of the car is in top shape and crank/bearing job is half of what it would cost to buy another sts-v. Worth a Rebuild? - posted in Spec Miata Garage: I spun a rod bearing on track a while back and quickly developed a pretty nice rod knock. Our professionals are here to help make sure you find the answers you need to your questions and our community is here to help other brainstorm. When a rod or main bearing lacks lube (or otherwise seizes to the crankshaft journal) it is torn loose from the bore in the rod or the mainbearing bore and it's locating tabs are ripped off it it "turns" with the crankshaft, ruining. Luckily I have an extended warranty on the car (7yr, 100k) through Zurich. i believe i spun a rod bearing in my 02 liberty 3. Is the connecting rod unusable/unrepairable as well? 69 Camaro Coup-My Granny's car-327/210hp Weiand Stealth Intake/Carter 625cfm 4bbl. So I pulled my 12 bolt posi rear end apart out of my 65 Impala to get it blasted and powder coated. To find which cylinder, you can pull the plug wire off when it's running, if the knock goes away, that's the bad bearing. Not the feeling of what I'd imagine a spun bearing would feel like, but I have never dealt with any of this so what the hell do I know. I say check the oil, get on the highway and do 100+ in third gear for 10 min straight, should clear out whatever build up you have. In the latter case, a connecting rod or bearings may be loosely installed, resulting in excess clearance, noise, and damage. The oil pump is the M77v mellings. Can you fix spun bearing? If an engine has suffered a spun rod or main bearing, and the engine is rebuildable, it will require resurfacing the crank journal, possibly re-machining the main bore or big end rod bore (or replacing the rod) depending on the damage that has occurred. I spun a rod bearing on an old ford that I drove. 0018 that could have also caused the bearings to spin under load due. all other bearings and journals are so good that I can still read the bearing. If there are voids behind the bearing, it can also overheat due to a lack of conductive heat transfer. solution I came up with is +\- 4500rpm rev limit , low rpm rev limit gives long life for diesels. Last edited by HEMIDON; 04-15-2009 at 11:16 AM. A spun bearing is usually the end result of a chain of unfortunate events. Truck started running rough and the check engine light came on. Thread: spun bearings on new ZX14r. When you spin a bearing it's usually from being warped on the cap(main or rod etc. So maybe take that as another approach to your spun bearing. I spun No 5 shell at the Diamond Rock event. Connecting rod bearings are two piece bearings, and are fixed in place by tabs in the connecting rods. im going to shim it to find out what that gap is as soon as i can find my shims. The same piston that spun the bearing galled the wrist pin to the point that I couldn't move it. The number 1 killer of subaru bearings is poor maintenance, check your oil level constantly and run the right oil. There were chucks of all sorts of metal in the oil, and it sounded like a freaking jackhammer when he was idling it. i was going to order a crankshaft kit, but it is on backorder from mopar. I had a spun rod bearing #1 and a spun crank bearing #3. My bet is that that tech allowed foreign material to enter oil gallery and block an oil passage. Spun bearings are often blamed on a loss of oil pressure, but there can be numerous contributing factors that eventually cause the bearing to seize and spin. spun-bearing is more likely to occur in high rev take-off than cruising. I even went through the trans. The bearing is in two pieces, half in the rod and half in the rod cap. If the rod bearing spun and you didn't have catastrophic engine failure consider yourself lucky. When you spin a bearing it's usually from being warped on the cap(main or rod etc. My guess is the added friction of the rotating assembly that cause it to stall, engine works harder to turn. I was able to salvage it. We had one let go at 525k in our C-15 Cat. Used a harbor freight torque wrench on the rod caps, but used my good snap on for the main bearings and other bigger stuff. Discussion Starter 路 #1 路 Mar 19, 2016. Jump to Latest Follow 1 - 12 of 12 Posts. If you know why one bearing spun and a new or oversize bearing puts everything within tolerances then. After working very hard to maintain my 2011 Camaro SS, my oil pump failed causing my motor to spin the front main bearing. Fixing a spun main is routine for a good machine shop. The crank has scoring and the rods have scoring. The cam shaft snapped in my 79 f150 and like a week later I spun a bearing in the car. $140 gets me a crank grind (if its salvageable). I most likely spun a rod bearing at a track event yesterday. Think about it if able to visualise auto-engineering situations. It knocked for a total of about 60 seconds before I got off the road and had it towed. Raga1000r 路 Registered. Recently i did an LS7 clutch upgrade at 102k. Replaced all the bearings, gaskets, and new 13. This write up will tell you what your options are. Give Mercruiser a call. Now would be a good time to replace the enging with a LLY, as it is almost a Plug n Play in a 03. i need to fix a spun bearing in a wheel hub, there is a gap where there should be a press fit. I had to get the crank shaved. Seen alot with spun bearings, or ventilated block from rod bearing failure at high mileage. g-wizz 路 Banned. Spun Bearing Instead of tearing into the oil filter I would drain the oil from the pan. Spun wheel bearing, do i need new hub? OK, so a rear wheel bearing completely melted down on my rear axle, to the point where I had to cut the axle to remove the rear wheel. We had one let go at 525k in our C-15 Cat. 5'' exhaust, stock airbox, 70mm tb, 75mm MAF, 24lb. never seen a spun bearing under normal engine operation with oil in the sump. There are ocassions when you can just replace the bearings and be done(as is the case with some cadillacs) but usually a complete engine overhaul is required. Cases compromised a few mm on one crank journal. There were chucks of all sorts of metal in the oil, and it sounded like a freaking jackhammer when he was idling it. 400+ hp 390ci, fully built. A spun bearing won't by itself cause a drop in compression (unless it causes the motor to throw a rod), but it will cause a drop in oil pressure and in increase in running temps. I really don't know how bad of a problem a spun bearing is though. I spun a main bearing in my CSVT and the noise was. 3 liter Vortec "W" engine. Better consider finding a different block. The connecting rod material just isn't the same after the heat of a spun bearing. Oil pressure will be low if not lost and pieces of metal are going everywhere. This is the proper way to repair a shaft that has had a bearing spun on it. Mounted bearings are assemblies in which the bearings are pre. The latest information (rumors) circulating about the next M3's engine suggest that BMW is seriously thinking of placing a V6 (a 90 degree V6 at that) into the F80. Rod bearing make a double knock when they fail, mains a single. when I spun a bearing, the motor stopped running. Those bearings always come out peeling and missing metal. also when i did my compression test i had about 165psi all across, this was with TB closed. I have removed the engine and pulled the pan I***8217;ve attached some photos of the crank journal and bearings. 5) too sloppy for our cars, instead of the tight. For the record, my roommate spun the bearing in his 2008 STi. #37 路 Jan 13, 2010. RickChase November 2, 2021, 3:46pm #1. It knocked for a total of about 60 seconds before I got off the road and had it towed. Dealer stepped up and R&R with used (8000 miles less than what I had) motor. I would inspect the oil for metal flakes. There were chucks of all sorts of metal in the oil, and it sounded like a freaking jackhammer when he was idling it. To find which cylinder, you can pull the plug wire off when it's running, if the knock goes away, that's the bad bearing. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. all other bearings and journals are so good that I can still read the bearing. what is this im hearing about these spun bearings with hardly any miles on them. Truck started running rough and the check engine light came on. My guess is the added friction of the rotating assembly that cause it to stall, engine works harder to turn. I recently acquired a 1994 Chevy Blazer with a 4. Anti-freeze is not only corrosive but is also a very poor lubricant. very difficult to diagnose without hearing some of the valvetrain experts might comment on that part. October 26, 2017 鈥 A Subaru WRX and WRX STI engine knock and spun bearing lawsuit alleges metal debris contaminates the oil from defective connecting rod bearings and causes total engine failure. yes, it sounds like a spun bearing to me. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. 5" inches running 37's. Bimmerforums is the preferred online BMW Forum and community for BMW owners. Last edited by HEMIDON; 04-15-2009 at 11:16 AM. Aftermath of Spun Bearing. Had this done a month ago with new clevit bearings for $250. RickChase November 2, 2021, 3:46pm #1. Jump to Latest Follow Hey Everyone! Enter your ride HERE to be a part of this months Ride of the Month Challenge! 1 - 20 of 47 Posts. When the insert and main saddle or rod and cap becomes hot enough, their bore expands; relieveing the. Check your mains close - a lot of times the main will spin or cock slightly and close off the oil feed hole. Replace all bearings and reassemble it. somonenew1994 路 Registered. A spun bearing is bad news because it usually seizes itself around the crankshaft journal. We had that problem with the Cats in 2001, recalled off of shelf but fix as fail in trucks. Used motors on Car-part. Since the rear BS bearing spun out of it's casting I can't just put a new bearing in to block the oil hole. i have been on this board for many years now, and all i can say is every. Replies: 38. I really don't know how bad of a problem a spun bearing is though. Brian: I have a 1086 tractor that I bought new in the early 80's. I spun a rod bearing on an old ford that I drove. Fixing a spun main is routine for a good machine shop. And the clearance to allow allow bearing inserts to stack is considerable. The crank has scoring and the rods have scoring. I spun No 5 shell at the Diamond Rock event. Said one channel was enough to sink his fingernail into. Hint hint, heat. The problem with raising oil pressure is you loose flow, which is lubrication, the most important aspect of oiling in an engine. it is caused by lack of lubrication to that bearing, that bearing then seizing to the crank and then spinning inside the rod or main cap. I definitely have some play though. (The new bearing is loose in the engine) I also dont have an OEM oil pump retrofit "stub" to replace the left BS like I've read about in the BS delete procedure. What is a spun bearing? In this video you will learn what a spun bearing is, why a bearing spins, what can cause a bearing to spin, what are the symptoms. If you spun a bearing, you will see all kinds of material in your oil pan. #37 路 Jan 13, 2010. i recently acquired an L20b with a spun bearing, for a rebuild and install. spun bearings on new ZX14r 04/07/14 10:08 PM. The spun cam bearing/bushing may have damaged the block. A spun bearing is usually the end result of a chain of unfortunate events. you realy should pull motor, and flush it out to get all of the metal shavings out. Look for blackened oil cooked onto the main saddle and a cap that doesn't fit tight in the registers. You need to thoroughly clean the block free of oil, rust, grit, metal shavings, etc. 袩芯褋谢械写薪懈械 褌胁懈褌褘 芯褌 Cory (@Spun_Bearing). all other bearings and journals are so good that I can still read the bearing. Thread starter Green Machine; Start date Oct 3, 2013; Oct 3, 2013 #1 G. 0018 that could have also caused the bearings to spin under load due. 73 likes 路 1 talking about this. If you spun a bearing there is damage to the crank and that rod, at least. I will explain why soon. Said one channel was enough to sink his fingernail into. Used a harbor freight torque wrench on the rod caps, but used my good snap on for the main bearings and other bigger stuff. I believe it is due to a spun bearing. A main knock will also have a rumble to it. I would catch the old oil into a clean container. To find which cylinder, you can pull the plug wire off when it's running, if the knock goes away, that's the bad bearing. Due to fact,When not using "correct factory length" Spider hold down bolts. RocketSled. If you have ground the journal your looking at turning or replacing hte crank. i believe i spun a rod bearing in my 02 liberty 3. I'm sure the crank is damaged and will need to be turned or replaced. Joined May 22, 2007 路 3,384 Posts. Luckily I have a GM extended. Recently i did an LS7 clutch upgrade at 102k. I finally started the bike last night. Worth a Rebuild? - posted in Spec Miata Garage: I spun a rod bearing on track a while back and quickly developed a pretty nice rod knock. i have a 2003 busa 34kmiles and i spun a bearing i have everything taken apart and found the bearing and it clearly spun and need replacing as with the connecting rod, my question is; should i take it to a show to have them put it back together or is there nothing special about getting new bearings and putting it back together myself?i can post pics later on. Look for movement at both/either end of the crankshaft. Discussion Starter 路 #1 路 8 mo ago. Worst yet, I am 2 payments away from officially owning the vehicle. 2,182 Posts. What does a spun rod bearing sound like? Re: What does a spun rod bearing sound like? ( It sounds like a knock deep in the engine (usually louder in the wheel wells), the faster the engine spins the faster the knock. These include high operating loads, excessive heat and a loss of lubrication. Service manager said it was really bad, about 1/8" of play in the connecting rod. too low, that could have caused a spun bearing under high rpms or if the motor had been rebuilt by someone before and the crank and rods had been spec'd to chevy specs (. I ended getting a used engine and dropping it in. 8,853 Posts. Finally had chance to breakdown the motor we purchased off of someone ($150). Spun Bearing. That sounds like there was no bearing surface left. Don't just try to replace the bearing that's bad. You could also try and find a motor from a wrecked sts-v and keep your old engine for spare parts. Recently i did an LS7 clutch upgrade at 102k. Spun bearing. In a previous post I detailed getting a used replacement engine put in my '00 Outback. I ended getting a used engine and dropping it in. Allowing that knocking noise you heard. Finally had chance to breakdown the motor we purchased off of someone ($150). Took apart a 454 4-bolt this afternoon and found the front main bearing had spun and badly. I did not have any oil pressure lights on which is usually associated with a spun rod bearing. I definitely have some play though. N盲yt盲 lis盲盲 sivusta Spun Bearing Automotive Facebookissa. 568 [email protected] 528 [email protected] Save Share. Joined Feb 6, 2004. The bearing is just a thin shell, it needs a solid surface to support it. it is caused by lack of lubrication to that bearing, that bearing then seizing to the crank and then spinning inside the rod or main cap. '08 M3/4 spun bearing - crank damage pics - need input Long story short, spun a bearing and tech sent over pictures of the resulting grooves cut into the crank. BMW makes undersized bearings for this purpose. What is a spun bearing? In this video you will learn what a spun bearing is, why a bearing spins, what can cause a bearing to spin, what are the symptoms. The other pistons were in varying degrees of the same situation. The problem is the original owner said the engine spun a rod bearing. 5) too sloppy for our cars, instead of the tight. 73 likes 路 1 talking about this. It's 100% non tune related but just the nature of the beast with a 3800.