Cherokee Rear Axle Lube

orindamanorindaman Member Posts: 6
edited July 2014 in Jeep
I had the rear axle lube changed at 50k for my 2004 Cherokee Laredo. The shop used the recommended Jeep fluid but a chatter and noise on tight turns started. He checked with Jeep who then said to add a tube of a "viscosity increaser". What is this stuff? What happened to plain old 90#?


  • loosenutloosenut Member Posts: 165
    g.m used to use "whale oil" for their posi-traction rearends-or so i heard..anyway,it's legit...if the real mecanic advised you-that's what you need..k?
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