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Engine Knock

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Old 08-16-2016, 12:06 PM
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Year: 2000
Model: Cherokee
Engine: 4.0L I6
Default Engine Knock

Hey all, just did rear main seal, oil pump, and pan gasket on my 2000 Cherokee. Primed oil pump, timed and upon startup I hear a slight knock coming from the bottom end. Wondering if it could have something to do with the pump drive, or the rear main bearing...?
Old 08-16-2016, 08:10 PM
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Welcome Spencer. Do please fill out your info so people won't need to go back to post #1 to see what you have.


Automatic probably? Checking the bolts, converter / torque plate is a good thing to do if you haven't already. Known to loosen and cause a knock.

Wouldn't expect one (RM) bearing causing a knock. Oil pump drive...Id look elsewhere first.
Old 08-17-2016, 10:26 AM
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What's your oil pressure look like?
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