Are all 99 grand cherakee the same differential ratio for front axle

20

Asked by Linda May 23, 2017 at 06:45 AM about the 1999 Jeep Grand Cherokee Laredo

Question type: Maintenance & Repair

My jeep 99 grand Cherakee has Laredo  trim  Does the motor size or trim make a
difference with front differential ratio

4 Answers
220,785

Rowefast answered 6 years ago

No, the front axle gear ratio has to match the rear end gear ratio. You don't know what is in there until you look it up. A lot of times it is marked on the door sticker, or RPO numbers in the glove box.

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21,855

Gary answered 6 years ago

If you post the engine size and transmission type, we can look it up. As stated above, the front and rear will be the same.

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20

Linda answered 6 years ago

My motor is a 4.0 L v8. Automatic transmission

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Gary answered 6 years ago

According to this site: http://www.automobile-catalog.com/car/1999/1321580/jeep_grand_cherokee_laredo_awd_4_7l_v-8_quadra-drive.html Your Grand Cherokee should have 3.73 gears with the 4.7L V8. The 4.0L engine Grand Cherokees have 3.55 gears with 3.73 as an option. The trim, engine and transfer case type all affect the gear ratio. It is probably best to check the tag on the rear differential.

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