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How to Remove a Ring Gear From a Differential

Although it does not happen very often, from time to time the differential in a rear wheel drive car will fail and the ring gear will need replacement. Replacing the ring gear is a job normally left to professional technicians because of the tools and knowledge needed to measure the precise tolerances during reassembly. However, a do-it-yourselfer with some advanced skills can do the job at home.

Instructions

Preparing the Vehicle

1

Place a wheel chock in front of each of the front tires. Center the lifting pad of a floor jack under the differential. Jack up the vehicle until the floor deck supports the weight of the vehicle, and the rear wheels are still in contact with the ground.

2

Turn the lug nuts, which hold the tires to the vehicle, counterclockwise with a lug wrench to loosen them. Just loosen the lug nuts, do not remove them.

3

Jack up the vehicle with the floor jack until the tires are no longer are in contact with the ground. Place a jack stand under each axle tube and lower the vehicle so that the rear axle tubes rests on the jack stands. Adjust the jack stands high enough that the rear wheels are still off the ground when the vehicle is resting on them by pulling the ratcheting center post of each jack stand up as close to the axle tube as it will go.

4

Remove the lug nuts and tires from the vehicle.

Removing the Axle Shafts

5

Place a drain pan underneath the differential. Turn the differential cover bolts counterclockwise using the appropriate size socket on a ratchet wrench. Drive a screwdriver between the cover and the differential by gently tapping it with a hammer to break the seal, and remove the differential cover allowing the gear lube in the differential to drain into the drain pan.

6

Turn the bolt that secures the cross pin counterclockwise with the ratchet wrench and appropriate size socket to remove it. Remove the cross pin.

7

Push each axle shaft in from the outside and remove the C-clip from the other end of each axle shaft. Remove the axle shafts from the vehicle by pulling them straight out from the outside.

Removing the Ring Gear

8

Make an identification mark on each of the carrier caps with the center punch and hammer to ensure the carrier caps are reassembled in their original positions.

9

Remove the upper and lower bolts from each carrier cap and remove the caps. Remove the carrier and ring gear assembly from the differential.

10

Turn the bolts that attach the ring gear to the carrier counterclockwise with a ratchet wrench and appropriate socket to remove them. Remove the ring gear, completing the operation.

Posted by Unknown at 3:15 PM

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