Could be bad Rod Bearing or oil pump??? - JeepForum.com
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Unread 01-27-2011, 05:58 PM   #1
zrambot
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Join Date: Oct 2007
Location: Klein, TX
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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.

Thanks
Zrambot

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Unread 01-28-2011, 07:46 AM   #2
AZ Jeff
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2014 JK Wrangler 
 
Join Date: Sep 2005
Location: San Tan Valley Arizona, AZ
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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.
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Unread 01-28-2011, 07:41 PM   #3
zrambot
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Join Date: Oct 2007
Location: Klein, TX
Posts: 2
Oh ok! I'll check the distributor. Thanks for the info. I'll let you know what I find.
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