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WJ Differential Noise

700 views 3 replies 3 participants last post by  big98tnzj 
#1 ·
Hello again,
2002 JGC 4.7 HO 4wd, and I have a grinding noise coming from the rear axle area when making sharp left or right turns.This issue was reported from the previous owner, and after driving it for a few months, hot and cold weather, it's still happening. The mechanic the previous owners changed the diff fluid a week before I got the jeep. I am noticing that when outside temps reach 70 degrees and above, it doesn't grind. Any ideas on what the issue is? My plan is to change the fluid again, and check for any shavings on the bottom of the diff case, give it a thorough cleaning with brake cleaner, and finally adding Mopar friction modifier to the new diff fluid. Thoughts?
 
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