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high-pitched squeal from under the engine

2001 Firebird Formula Pontiac 75th anniv package SLP air lid, SLP smooth bellows SLP Y-Pipe Corsa PowerPulse RSC cat-back exhaust

And no, it's not a pig trapped in the fan belt... I've noticed in the couple of weeks since I got my transmission fluid flush and fill done, that there is a high-frequency squeal coming from something on the underside of the engine compartment. It doesn't seem to go away at all while at wait for the idle to get down to 500RPM, but it seems to go away after about 10 minutes in drive on the road. I can't single it out at all listening to all the moving part from above -- it definitely sounds louder from below (I do not have room to try to get under the car in my garage). None of the belts I can see from above are turning fast enough to generate the frequency of the sound I'm hearing.

Does anyone have any ideas? I'm fixing to leave the car with a body shop for about a week's worth of work, no doubt they'll hear it too.

TIA, ~w~

Reply to
Weland
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Good possbility something got on the belt when the tranny flush was done??????

I'd start there. Have you inspected the belt?

Also check alldata.com for any known bulletins/recalls that pertain to the the problem, if any.

(that's where the dealer would start anyhow).

Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director '80 Carousel Red Turbo T/A, 26k orig. '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going.... '80 T/A project car...

Reply to
Bigjfig

i too would say tranny fluid spilt on the belt.

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Reply to
S.S.I.N.

I would be surprised if transmission fluid got on the belt. It'd be hard to get the tranny fluid all the way to the front of the engine, especially if the pan was dropped to drain the tranny fluid. The only way I could think it could happen is if the auto tech knocked over a quart of tranny fluid and it splashed on the belt. I'd say that'd be unlikely but it's possible. I'd say it's more of a coincidence than a cause and effect. LIke Joe says, check your belt and see if it's cracked or the tensioner has gone bad.. 3 years doesn't seem like much though.

-Bruce

Reply to
Bruce Chang

Sure it's possible :). If they used one of those sucking/removal machines, it may have splattered on there. Or by filling it, maybe someone dropped some on the belt.... Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director '80 Carousel Red Turbo T/A, 26k orig. '79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig '84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going.... '80 T/A project car...

Reply to
Bigjfig

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