Engine components - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 12-04-2010, 06:44 PM   #1
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When i spun a rod bearing in my engine before i replaced it i thought about replacing that bearing but everybody kept telling me that i would have to rebuild the entire engine if i did that, is that true or would it have been possible to just replace the bearing?
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Old 12-04-2010, 11:55 PM   #2
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if you spun a bearing you would have had to replace the crank shaft and possibly that connecting rod.
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Old 12-05-2010, 05:28 AM   #3
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Depends on how much damage was done. First time I did it, I purchased a reman crank kit with bearings. It only lasted about 100 miles before it did it again. Of course that could have been my fault too.

If the crank is too badly worn, a new one will be needed. If not, then an oversized bearing should do. A specialized machine shop can do this for you.
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Old 12-05-2010, 08:32 AM   #4
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ok, everybody kept telling me i would have to replace the whole bottom end and then the whole top end
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Old 12-05-2010, 09:54 AM   #5
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Best to find a new short block and swap your top end over.
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Old 12-05-2010, 11:05 AM   #6
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Well this was a while ago and i never thought to ask anyone here when it happened,
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Old 12-05-2010, 11:07 AM   #7
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It'* all about learning. Now you know.
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Old 12-05-2010, 12:34 PM   #8
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I figured finding a replacement would be cheaper and after looking at the parts prices, it was.
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Old 12-06-2010, 08:06 AM   #9
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That happens is our engines will endure a lot right up to the crank and bearings. For some reason they want to be checked, machined and nearly professionally redone from scratch when a bearing goes, including line boring.
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