High pitch chirping noise
Thread Starter
Newbie
Joined: Nov 2010
Posts: 6
Likes: 0
From: V.A
Year: 1994
Model: Cherokee
Engine: 4.0 inline6 high output
High pitch chirping noise
i have a 1994 jeep cherokee sport inline 6 4.0 high output and there is a high pitched chirping noise comming from the front of the motor. the owner before me was spraying wd-40 on the pullies and belt.i have change the belt and didnt stop. please help thank you, JayBear
Seasoned Member
Joined: Sep 2009
Posts: 373
Likes: 0
From: Everett, WA
Year: 1990
Model: Cherokee
Engine: 4.0l
Check your harmonic balancer for rubber coming out, and your water pump for excessive play. If you have WD40 on your serpentine pulleys, they ALL need to be cleaned %100 and a NEW belt bought. If the belt looks wet at all throw it out, it probably has WD40 on it and will never grip the pulleys. Also check your idler pulley and your AC clutch/AC bypass pulley by spinning by hand with the belt off.
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