2001 Grand Cherokee running odd


Old 06-08-05, 08:31 AM
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Join Date: Dec 2001
Location: USA
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2001 Grand Cherokee running odd

I have a 2001 Grand Cherokee V8 with 63k miles. When letting off the gas, I get a "jerk" sensation...similar to what you might feel if someone had a chain tied to the rear end and yanked it hard. This seems to happn only when the AC is on. Also, at idle, it varies from 1000-1250 rpm in a 5 second interval. I don't know if they're related or not. Any thoughts on where to start looking?
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Old 06-08-05, 04:20 PM
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Maybe check your motor mounts. Load them up and see if you have excessive movement from the engine or drivetrain. Try in drive and reverse.

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