top end rattle
CF Veteran
Joined: Aug 2010
Posts: 8,357
Likes: 103
From: Canton, MI
Year: 1999
Model: Cherokee
Engine: 4.0
When I rebuilt the engine I'd set the timing. It never threw a code and ran like a charm. I had a couple of friends tryin to help me figure out what was wrong with it. One was saying that it was a top end knock and the other one was sayin it was the bottom end. I stuck with my gut and pulled the serpentine belt off and checked my alternator. It was still charging but the bushings/bearings were FUBAR. Got a new alternator and she's back right. And I did buy a new crankshaft position sensor from the parts house and trashed the EBay one.
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