Squeaking....boo! - Team Camaro Tech
Troubleshooting Diagnosing problems done here.

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post #1 of 3 (permalink) Old Jul 6th, 02, 05:49 PM Thread Starter
Tech Team
Join Date: Apr 2000
Location: Colorado
Posts: 59
I just got done putting a new motor in and something is squeaking. It's a stock 350 with a one-piece rear main seal. I've ruled out the belts. It comes and goes and only seems to start after it has warmed up quite a bit. It won't squeak under load, just at idle or light cruising speeds. I'd take in into a shop and have someone look at it, but it's so intermittent they'd never hear it.

I did some searches and found that it could be a cracked or loose flexplate, a transmission front pump problem, or a main bearing.

This got me thinking...when I replaced the front seal on the transmission I noticed some scoring in a few places just inside of the seal. Is this a bearing? Could it be making the noise? The snout on the tc seemed fine when installed.

I wish the noise was more regular...I'd unbolt the tc, start it up and listen for my squeak/squeal.
Dan-69rallysport is offline  
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post #2 of 3 (permalink) Old Jul 7th, 02, 03:07 PM
Senior Tech
Join Date: Feb 2002
Location: Williamstown,PA
Posts: 500
I once had an alternator that would squeak when it got hot (bad bearing inside). I found it after I changed the belts. If you have A/C the clutch on the front of the pump could be the culprit too.

'69 RS Camaro
355 5-speed 4.11
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post #3 of 3 (permalink) Old Jul 7th, 02, 03:23 PM Thread Starter
Tech Team
Join Date: Apr 2000
Location: Colorado
Posts: 59
I hope you're right.

I've been meaning to change out the old alternator for awhile now, it doesn't charge very well at idle anymore. I change it out this week and see what happens. Thanks for the idea.
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