Nissan Z - ZX 1970-1988 Repair Guide

Stub Axle and Rear Wheel Bearings

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See Figure1



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Fig. Fig. 1: Exploded view of stub axle and wheel bearing assembly

REMOVAL & INSTALLATION



See Figures 2, 3 and 4

  1. Refer to the Rear Disc or Drum Brake, Removal and Installation procedures, in Suspension & Steering and remove the disc or drum brakes.
  2.  
  3. Disconnect the axle shaft(s) from the stub shaft(s).
  4.  
  5. Using the Rear Axle tool No. KV40101000 or equivalent and a bar, remove the stub axle nut.
  6.  

Hold the stub axle at the outside while removing the nut from the stub shaft side. The nut will require a good deal of force to remove, be sure to hold the stub axle firmly.

  1. Using the Rear Axle tool No. KV40101000 or equivalent and a Slide Hammer Adapter tool No. ST36230000 or equivalent, remove the stub axle.
  2.  

The outer wheel bearing will come off with the stub axle.

  1. Remove the companion flange from the lower arm.
  2.  
  3. Using the Rear Axle Shaft Bearing Drift tool No. ST37750000, remove and discard the grease seal and the inner bearing from the lower arm.
  4.  

The outer bearing can be removed from the stub axle with a puller. If the grease seal or the bearings are removed, new parts must be used on assembly.

  1. Clean all the parts to be reused in solvent.
  2.  



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Fig. Fig. 2: With an axle tool or equivalent attached to the stub axle, secure the axle with a bar and remove the nut from the shaft side



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Fig. Fig. 3: Use a puller to remove the stub axle



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Fig. Fig. 4: To remove the inner bearing and seal, use a suitable drift to drive the bearing and seal out

  1. Sealed-type bearings are used. When the new bearings are installed, the sealed side must face out. Install the sealed side of the outer bearing facing the wheel and the sealed side of the inner bearing facing the differential.
  2.  
  3. Press the outer bearing onto the stub axle.
  4.  
  5. Each bearing housing is stamped with a letter to match the necessary spacer with the bearing and housing. An A, B or C identifies a 1970-78 model; an N, M or P identifies 1979-83 models; and 1984-88 models have an A. Select a spacer with the same lettered marking. Install the spacer on the stub axle.
  6.  
  7. Install the stub axle into the lower arm.
  8.  
  9. Install the new inner bearing into the lower arm with the stub axle in place. Install a new grease seal.
  10.  
  11. To complete the installation, reverse the removal procedures. Tighten the stub axle nut to 181-239 ft. lbs. (250-330 Nm) for 1970-83 models or 217-289 ft. lbs. (294-392 Nm) for 1984 and later models.
  12.  

 
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