TC bearing support - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 09-11-2005, 11:04 PM   #1
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Default TC bearing support

Hi, new here. Great forum. Quick question. Has anyone ever heard a belt squeeling noise that shows up after warm-up? Comes and goes. Transmission guy says it may be the tc support bearing.. Its definitely not the serp belt. Thanks, Bill
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Old 09-11-2005, 11:13 PM   #2
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What'* a TC support bearing?
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Old 09-12-2005, 08:34 AM   #3
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Torque converter support bearing.

Never heard of it, but I would get a second opinion on that diagnosis. Sounds like it would require a transmission rebuild.
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Old 09-12-2005, 09:34 AM   #4
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The mechanic showed me the bearing. Looks like a hub shaped unit with internal needle bearings. Said the TC unit inside is actually on this bearing "support". And yes it would involve tranny rebuild because shavings would be everywhere. I need to pull the pan off to check for shavings I guess. Thanks
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Old 09-14-2005, 01:05 PM   #5
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Starting to wonder if maybe this noise could be the pcv valve. I just bought this car, and I know the intake was done this spring. The car is at college with the kid right now so I can't check the o-ring on the pcv valve. Does the squeel sound actually sound like a belt is slightly slipping when the o-ring on the valve is missing? Hope so. That would be much cheaper than messing with a tranny problem. Thanks, Bill
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Old 09-14-2005, 01:11 PM   #6
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Two 10 mm bolts are worth checking. Give it a try and hope for the best.
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Old 09-14-2005, 01:27 PM   #7
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Default Re: TC bearing support

Quote:
Originally Posted by Beeger
Hi, new here. Great forum. Quick question. Has anyone ever heard a belt squeeling noise that shows up after warm-up? Comes and goes. Transmission guy says it may be the tc support bearing.. Its definitely not the serp belt. Thanks, Bill
Why do you say for sure it'* not the serpentine belt? Anyway, have you checked all of the idler and tensioner pullies? They are known to fail and usually casue more noise when warmed up...consider these a regular service item.

Torque converter support bearing is BS.

Cheers,
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Old 09-14-2005, 01:28 PM   #8
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Foghorn, the noise is still there with the belt removed.
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Old 09-14-2005, 01:39 PM   #9
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Time to break out the mechanics' stethoscope.
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