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fan belt noise, is ...
 
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fan belt noise, is it a bad pully?

  

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2003 Toyota tacoma 3.4L automatic.

After I've been driving a while (engine warmed up), when I let off the gas, I hear a screeching noise from the belts. There is no noise when the engine is under stress however.  Could it be a bad idler pully?  How can you tell if it's bad?

 

Thanks, Al.


2 Answers
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Yeah the pulley is bad and I would replace it and the belt 


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Definitely change the belt too since it is likely that the belt is worn out too. 


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