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Intermitent belt chirp

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Old Dec 14, 2019 | 08:04 PM
  #1  
Homerunking2394's Avatar
Homerunking2394
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Intermitent belt chirp

I have had a belt squeak that sounds like it hits a certain spot as it goes around and chirps as if someone increase and decreases the volume of the chirp....i put dish soap on the belt and it immediately got quiet. Then after a minute it got very loud as if something was going to explode. Belt was replaced 30k miles ago and looks good. Where should i start with replacing parts? Idler pulley has no play but makes a squeak noise if spun by hand as well as ac compressor.
 
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Old Dec 14, 2019 | 11:45 PM
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Try taking a piece of hose (2’), with truck running put one end to your ear and carefully listen to each component. You’ll be able to isolate where the chirp is coming from rather than throwing parts at it. Sometimes you just need to let a component get worse before you can isolate the problem. Try taking the belt off and rotating each part separately.
 
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Old Dec 14, 2019 | 11:58 PM
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Homerunking2394
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Originally Posted by Colorado350
Try taking a piece of hose (2’), with truck running put one end to your ear and carefully listen to each component. You’ll be able to isolate where the chirp is coming from rather than throwing parts at it. Sometimes you just need to let a component get worse before you can isolate the problem. Try taking the belt off and rotating each part separately.
id like to bypass the ac compressor since it doesnt work and scraps when turned by hand with belt off...water pump has no play and spins smoothly
 
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Old Dec 15, 2019 | 01:28 AM
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From: Kinnula,Finland
I just installed AC delete pulley in my van.
 
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Old Dec 15, 2019 | 01:54 AM
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Originally Posted by FinnishStroker
I just installed AC delete pulley in my van.
do you have a link or part #?
 
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