Could be bad Rod Bearing or oil pump??? -
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post #1 of 3 Old 01-27-2011, 05:58 PM Thread Starter
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Could be bad Rod Bearing or oil pump???

Hey fellow jeep people!

I have a dilema that i can not figure out. I have a stock 1996 Grand Cherokee Laredo I-6. There is a squeaking noise coming from the oil pan. i cant determine if its the oil pump or if its a bearing going out.
I know that if a bearing goes out it will cause a knock, but in this cause im not getting knocking (yet).
As for the oil pump i have no idea how to tell if it is going bad.

Any information would be helpful to me.


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post #2 of 3 Old 01-28-2011, 07:46 AM
AZ Jeff
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There are cases of distributor shaft bushings squeaking on the 4.0, and that can sound like oil pump issues.

Journal bearings as those found on the crank don't squeak before they fail---they knock.

I don't own an XJ any longer, but I still think they are the best of all the Jeep products ever made. My XJ was my favorite vehicle in my 50+ years of driving.
So...I stick around and give advice.
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post #3 of 3 Old 01-28-2011, 07:41 PM Thread Starter
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Oh ok! I'll check the distributor. Thanks for the info. I'll let you know what I find.
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engine , rod bearings

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