Belt Noise | Ford Explorer Forums - Serious Explorations

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Belt Noise

stlguy

New Member
Joined
June 11, 2011
Messages
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City, State
Lansing MI
Year, Model & Trim Level
2000 Explorer Sport
I replaced the serpentine belt and the tensioner on my 2000 Explorer Sport. I've still got belt noise when accelerating. Any suggestions or thoughts?
 






the bearings on any of the pulleys involved may go bad. Some guys squirt some penetrating lube into one at a time until the sound goes away. Then they know the culprit. I had one go bad and so replaced them all (the bearings on a 5.0's pulleys are all available aftermarket cheap---10x for $25 on Amazon). Not sure about the 4.0.
 






Thanks. I ended up replacing the idler pulley and that cured it.
 






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