Nissan 39204-2S680 DRIVESHFT-Joint R

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To install the differential, follow the reverse of the removal procedure. Make sure to tighten the mounting fasteners securely, as well as the driveshaft and drive axle fasteners, to their specified torque.

For other models not mentioned earlier, disconnect the parking brake cables from the crank levers on the backing plates. Unscrew the nuts from the spring U-bolts and remove the spring plates.

Pry out the axleshaft oil seal using a seal removal tool. Then, use a seal installer to drive in the new axleshaft oil seal. Make sure to wipe the bore in the axle housing clean before proceeding.

To check for play in the CV joints and drive axle shafts, you can grasp each axle and rotate it in both directions while holding the CV joint housings. This can help identify any excessive movement or play in the joints.

After removing the free-running hub, the next step is to remove the snap-ring from the drive axle splines. It's recommended to replace the snap-ring with a new one whenever it's removed. The old snap-ring should be saved for end play measurement.

To disconnect the upper control arm from the steering knuckle, remove the cotter pin and loosen the nut from the upper control arm ball joint. Then, break the steering knuckle loose from the ball joint by striking the steering knuckle boss where the ball stud passes through.

The rear axle assembly is of the hypoid, semi-floating type. This design allows the outer rear wheel to rotate at a higher speed than the inner wheel when the vehicle is turning a corner.

Complete the installation by checking the differential lubricant level and adding more if necessary to bring it to the appropriate level.

To check for play in the CV joints and drive axle shafts, you can grasp each axle and rotate it in both directions while holding the CV joint housings. This can help identify any excessive movement or play in the joints.

A limited-slip rear axle operates similarly to a conventional differential. However, it includes additional components such as a pair of multi-disc clutch packs. These clutch packs engage to control the differential case's rotation when one wheel encounters slippery terrain while the other wheel maintains traction.

After raising and securing the vehicle, remove the rear wheels. Position a jack under the rear axle differential housing. Proceed to disconnect the driveshaft from the rear axle pinion flange. Disconnect the shock absorbers at their lower mounts. Also, disconnect the vent hose from the fitting on the axle housing and secure it out of the way. Unbolt the brake line fittings from the brake hose junction block, and then remove the brake hose junction block from the axle housing, plugging the hose to prevent fluid leakage. Don't forget to disconnect the ABS wheel speed sensor electrical connector(s).

Check the axleshaft end play using a dial indicator. For four-cylinder, 2WD Frontier, and Xterra models, the end play should be 0.0008 to 0.0059 inches (0.02 to 0.15 mm), while for other models, the end play should be 0.0 inches (0.0 mm).