serpentine belt question


sdfishman

15+ Year Member

Joined
Nov 4, 2008
Messages
34
Points
3,101
City
San Diego
Vehicle Year
2000
Transmission
Automatic
Alright I changed my idler pulley but my belt is louder then ever. What do I need to change to make it quit. Its loud when cold by quiets down after it warms up. I sprayed the pulleys with belt dressing and nothing.. The belt hasn't been changed for along time (Not sure when). What would be the next move? I'm trying not to spend a arm & leg but I want to fix this before it gets worse..
 
Try your belt

I had the same problem with my Explorer recently and changed the idler pulley and belt tensioner but the problem turned out to be the belt. The reason I didn't first suspect the belt was it was last replaced in December, so it was only 3 months old. After putting the OE parts back on with new belt problem solved for now. :yahoo:
 

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