Squeak/chirp *not a pulley or header gasket*
11-03-2008, 07:14 PM
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Squeak/chirp *not a pulley or header gasket* What next?
Pulled all belts and checked all pullies, still makes the noise w/no belts on
Header and exhaust is tight.
sounds like it's coming from the middle of the motor, passenger side of the motor
However the belt tensioner on the main drive moves while the motor is running. Example: you're looking at the motor from the front of the car and the tensioner moves side to side slightly.
Don't know if it's supposed to move a little or stay still all the time
Pulled all belts and checked all pullies, still makes the noise w/no belts on
Header and exhaust is tight.
sounds like it's coming from the middle of the motor, passenger side of the motor
However the belt tensioner on the main drive moves while the motor is running. Example: you're looking at the motor from the front of the car and the tensioner moves side to side slightly.
Don't know if it's supposed to move a little or stay still all the time
Last edited by dubrado; 11-03-2008 at 08:07 PM.
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11-04-2008, 09:39 AM
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Mine is owrse when it's a cold start, but quites down a little when it warms up.
But if I run it hard, the sound comes back and takes a while to go away again after easy driving.
11-04-2008, 08:04 PM
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I've seen the rollers on the lifters seize up momentarily and cause a flat spot in the roller then it starts to spin again causing a high pitched chirping noise. Pull all your belts, accessory and A/C belt and start the car, if the noise is still there and it sounds like the motor (you might want to get a stethescope to make sure) then you might want to pull the heads and check the lifters/cam for flat spots. I've seen it on 5.3s more than any other but 6.0 and 5.7s also. I know that it sounds like a lot of work just to check but it's something that I've seen before!
11-05-2008, 04:38 AM
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Dam guys sounds like a squeek that i just got sounss like a high picked chirpping only at 2200 rpm then when i cut the power i can slightly hear it near the water pump chirp chirp ... does this sound similar too ur problem ? if so dam what the hell is it ?
11-05-2008, 08:22 AM
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I've seen the rollers on the lifters seize up momentarily and cause a flat spot in the roller then it starts to spin again causing a high pitched chirping noise. Pull all your belts, accessory and A/C belt and start the car, if the noise is still there and it sounds like the motor (you might want to get a stethescope to make sure) then you might want to pull the heads and check the lifters/cam for flat spots. I've seen it on 5.3s more than any other but 6.0 and 5.7s also. I know that it sounds like a lot of work just to check but it's something that I've seen before!
I'll buy a stethescope and double check, but I have a feeling it's the motor myself.
11-05-2008, 09:36 PM
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To be honest it was a couple years ago and I can't remember if it was all the time. I do remember I could tell what side of the engine it was on. Didn't have any metal shavings either. We didn;t find it until we tore the short block completely down and saw the rings were gualded on the piston.