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Old 02-21-2024, 06:34 PM   #1
hcch
 
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Is this sound normal?

Hi all, just check on the catch can of the can and after a short cold start noticed an intermitent sound I made a video with the phone and semms its comming from the driver side of the front part of the engine.

Please check the video maybe is just my mind afther like more than a week of not using the car.



thanks
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Old 02-21-2024, 11:36 PM   #2
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Some pulley or power steering pump (check fluid level) ?
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Old 02-22-2024, 02:02 AM   #3
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Take the belt off and spin each pulley until you either feel a lot of resistance or hear a similar sound. Could be one of the tensioners, water pump, alternator, or power steering pump. It could be the ac compressor but I kind of doubt it and that pulley will be a little harder to turn.
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Old 02-22-2024, 04:52 AM   #4
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Quote:
Originally Posted by morepowerjoe View Post
Take the belt off and spin each pulley until you either feel a lot of resistance or hear a similar sound. Could be one of the tensioners, water pump, alternator, or power steering pump. It could be the ac compressor but I kind of doubt it and that pulley will be a little harder to turn.
Definitely start with this, pretty easy. If the tensioner bearing is bad they tend to ring like that through the body & spring. Check this out asap. I once ignored a bad one & when it let go the result was not fun. They all should feel silky smooth.
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Old 02-22-2024, 12:22 PM   #5
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thanks for the reply I will do that and post any update
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Old 02-22-2024, 12:29 PM   #6
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I forgot to ask I normally go for Gates products on all my 4 cars, but GM offers AcDelco Gold, do any thing that will be a better option than Gates?

tanks again
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Old 02-22-2024, 01:17 PM   #7
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I had Gates and Dayco in the previous -99 Camaro.
They all started making noise within 1-2 years.
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Old 03-02-2024, 12:14 PM   #8
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I have not had the time to check the components but a couple of days ago I found the ACDELCO 252975 Gold water pump with an awsome discount I paid 111 total for the part.

I am now thinking on replacing all the parts except the alternator for new ACDELCO gold options since the car is 71k miles and some noticed low durability on the gate ones.
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Old 03-03-2024, 12:48 PM   #9
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I wear hearing aids (and did watching it) but I thought it sounded pretty much like a typical noisy valve train LS motor.
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Old 03-04-2024, 09:49 AM   #10
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I turned my volume up all the way, and like moto says, sounds like your typical noisy LS/L99 engine. I didn't hear anything out of the ordinary..
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Old 03-05-2024, 06:56 AM   #11
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Sounds normal to me also
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Old 03-07-2024, 04:20 PM   #12
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Thanks so much guys for your time on helping me out. I am going to swap those 2 parts and post another video. As I said a water pump from acdelco gold in less that half price was no easy to let go.
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