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tensioner pully question, PLEASE HELP!!!

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Old 03-30-2009, 09:50 PM
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Default tensioner pully question, PLEASE HELP!!!

hey guys,

i have a really loud sqeaking at idle on cold and/or humid days. it sounds like i have thousands of crickets in the engine bay.

the sound goes away after driving it for awhile.

i have been hearing these fixes

1. Change Tensioner Assembley
2. Change Tensioner Pully ONLY NOT ASSEMBLY
3. Change Idler Pully

what is the correct thing to do guys?!?!?!?

thanks

Kevin

ps i searched and go nothing and i am planning on new serpentine belt along with any pully changing. i am just about at 50k miles.
Old 03-30-2009, 10:05 PM
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I'd change just the belts first. If it still squeaks, THEN I'd change the tensioner or idler pulley.
Old 03-30-2009, 10:59 PM
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Originally Posted by Camaro Ryder KV
hey guys,

i have a really loud sqeaking at idle on cold and/or humid days. it sounds like i have thousands of crickets in the engine bay.

the sound goes away after driving it for awhile.

i have been hearing these fixes

1. Change Tensioner Assembley
2. Change Tensioner Pully ONLY NOT ASSEMBLY
3. Change Idler Pully

what is the correct thing to do guys?!?!?!?

thanks

Kevin

ps i searched and go nothing and i am planning on new serpentine belt along with any pully changing. i am just about at 50k miles.
First thing...take the A/C belt off, put the serpentine belt back on and start the engine and see if the squeaks are gone. If they are you narrowed down the problem to the A/C tensioner pulley, compressor wheel or the fixed A/C belt pulley.

If its still squeaking...you narrowed it down to the serpentine belt wheels. Upper Idler pulley, power steering pump wheel, the fixed pulley near the power steering reservoir, water pump bell housing or the alternator wheel.
You can check all those seperatley by removing the serpentine belt and spinning them with your hand. BUT....sometimes they only squeak when the serpentine belt is on nice and tight so there's tension beiong pulled on all the bearings in each pulley/wheel.

You have to weed things out.
Old 03-31-2009, 12:04 AM
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I've had success taking the pulleys off. Carefully pry off the bearing seals, regreasing the bearings, and reinstall seals. YMMV depending on the condition of the bearings.

Last edited by mikey67; 03-31-2009 at 12:09 AM.
Old 03-31-2009, 07:45 AM
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I had the same problem last year when the car was cold the belt would squeal like mad until the car had been running for a while.

I ended up replacing the belt, still squealed.

Then for 45$ at autozone I got a new tensioner with pulley. That fixed the problem instantly.
Old 04-01-2009, 10:46 AM
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Does anyone know what to torque the tensioner pulley down to? I recently replaced my idler and tensioner pulley. I torqued both of them down to 37 ft lbs. Just want to make sure I did it right.
Old 04-01-2009, 06:32 PM
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Originally Posted by EW1
Does anyone know what to torque the tensioner pulley down to? I recently replaced my idler and tensioner pulley. I torqued both of them down to 37 ft lbs. Just want to make sure I did it right.
Idler pulley, both of them, are 37 lbs.

The A/C tensioner pulley (fixed pulley) is 18 lbs.

But the upper tensioner pulley (fixed pulley) is 37 lbs.

Torque specs:
http://www.ls1howto.com/index.php?category=1
Old 04-01-2009, 08:21 PM
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If you're lucky it'll be the air conditioner tensioner pulley. It came off with 1 turn of the wrench, no problems. Standard 15mm took it right off.

My squeaky pulley is the non-movable pulley above the tensioner(circled in red). And the torx head stripped out on it. Now I've got to figure out how to get it off.




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