Attention Racing Forums Mechanics

kkfan91

52 tracks and counting
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What sound am I hearing here on my tuff truck after my last run? I have no check engine light on.


 
Sounds like an idler bearing or maybe the belt. Turn on your A/C and see if it goes away. If it does, it's your compressor clutch bearing.
It's my race truck so I don't have the ac controls in it anymore
 
My brother in law things it could be a smog thing or a vacuum tube. I drove it around the neighborhood and it lessens when I am on the gas
 
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