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Transmissions and Drivetrains
Jeep Grand Cherokee Laredo

What kind of differential fluid does a 1999 Jeep Grand Cherokee Laredo need?

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February 22, 2008 4:07AM

The front and rear differentials both use 75W-90W gear oil. The rear should be changed to 75W-140W if you are towing or otherwise putting the drivetrain under extra stress. This comes straight from the owner's manual.