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Discussion Starter #1
I have a 98 Nissan Altima and there is a loud noise coming from the passenger side of the engine. I replaced the idler pulley and it didnt fix the problem, also the noise gets about twice as bad when i run the Air Conditioner. Any thoughts on what it could be?
 

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Nissan Technician
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826 Posts
It could be bad bearings in the WP or it could be a bad A/C clutch on the A/C compressor. Maybe you should remove one belt at a time and see if and when the noise disappears.
 
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