Question about 2001 Jeep Grand Cherokee
You can check fluid level by removing the rubber plug in the cover. Fluid is full when on level ground, it is just at the edge of the hole (or very close) if you are already getting noises out of there, you can remove the cover and inspect gears for wear or breakage. If you find a large amount of metal debris in the lube it tells you something bad is going on back there. Although rebuildable, it's not a home job...requires exact settings in order to operate properly. You can find good units far cheaper than even a gearset costs in any scrapyard. to match ratio, count the teeth on the ring gear and the pinion gear. the replacement MUST have the exact same number. Before swapping diffs, check all back there to make sure noise is not from somewhere else.
Posted on Jun 20, 2009
Sounds like the rear end itself, most likely if u have high mileage.
Posted on May 22, 2010
Testimonial: "That is absolutely my thoughts as well.I was hoping not to hear that, but was expecting that. It has 215k on the drivetrain, so I guess it is time for replacement. This is my first 4 wheel drive, so I am learning as I go. Thank you for your time and insight. Just have to find an affordable place in DFW to get the gears."
Ifound the same condition in the rear end of my 1993 Jeep Grand Cherokee Laredo with 4.0 HO L-6. I opened up the differential and removed the spider gears and axles to get the components out for inspection. I discovered that of the two
clutch packs that are on either side of the axle housing behind the side/axle
gears, the drivers side clutches had a huge break in the main washer "HUGE"
that is directly behind the side/axle gear. Fluid was not unusually dirty but
does show alot of silver clouding from the loss of metals due to the clutches
slipping and grinding when that crack would allow contact loss. Hope that helps
Posted on Dec 05, 2011
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