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Unread 04-29-2013, 12:41 PM   #1
um7267
Registered User
1998 ZJ 
 
Join Date: Jan 2013
Location: Grove City, PA
Posts: 394
grinding getting off interstate but no other times?

its only happened a few times while driving on the highway i can hear something clanking or grinding, but it is most noticeable getting off the interstate when i have the brakes pressed for a few seconds to come to a stop and turn/bank right.

i want to say it sounds like the passenger caliber not fully releasing but i am unsure, i can hear it faintly if i am swerving down the road(obviously with no other cars around) it seems to happen mostly when i bring the jeep back to the right also.

few factors
-not sure if it is a LSD because there was no manual, or tags
-at inspection the neutral safety switch failed, while the vehicle was up and the mechanics where showing me the passenger wheel was spinning a revolution slower than the driver side
-only loud enough to pin it down if i am traveling on the highway at 70 and exit.
-feels like it is binding but the gears look good, checked them 2 weeks ago with i changed diff fluid
-rear axle seals not leaking
-did not use limited slip modifier, in fear of something bad happening if it was not a LSD
-any time i've been cruising 30+mph i get a pulsation, cant feel it but the rear view mirror shows it(not sure if related)

my thoughts are rear axle u-joints, caliber, parking brake is not seated /rubbing on rotor.

also how safe is it to jack up the rear, block the front tires and put it in drive to listen for any rubbing from the brakes?

thanks to anyone who had this problem and can help

__________________
2004 Lexus Es330, alive; 1999 Cherokee Sport
1998 Grand Cherokee, sold
1997 Grand Cherokee; Black and Gold, Limited 4.0....RIP 2005
to the good times and the bad, the family we have and lost, little brother 1988-2011
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