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whistling

G

gotboost3

New member
i have a whistling/metal grinding coming from under the hood...its belt driven for sure almost sounds like a rubbing ac compressor clutch....but its winter and i havent used ac in forever can it just randomly go bad or is it something else....its real loud high pitched squealing/grinding noise it annoys the hell out of me it also sometimes goes away when i rev the engine...any ideas? :th_coocoo:
 


More than likley it is one of you're pulleys. You'll justhave to listen real close to find out. Ow else wait a little longer and usually the pulley will eventually fall off off the bearing :(
 
oh ok well i removed my idler and tensioner pulley a little bit ago to get the coil bracket off maybe i over tightened them thats prob it right? i prob over torqued them and ruined the bearing....
 
i think i found the culprit its the bigger of the two idler pulleys on the sc belt acc it has a bunch of play in and out and it squeaks too im assuming the pulleys are not supposed to have that much play so i hope its cheap and an easy fix...looks super simple but it is a torx bit so you never know lol
 


its definately the 3.5 inch idler pulley its a shytty piece of plastic with a bearing the pulley if sliding off the bearring and spinning in a warped motion and squealing...
 
it got so annoying that i am running sc belt less haha and im still smoking ricers pay day is friday so the belt will come on again with new idler pulley :)
 
I had that sound tonight after work when I started my car. I am going to see if it is there again in the morning. It went away with a rev.
 


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