Nissan Pick-ups and Pathfinder 1970-1988

Axle Shaft

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REMOVAL & INSTALLATION



See Figures 5, 6, 7, 8 and 9

1981-83

See Figure 1

  1. Remove the free running hub.
  2.  
  3. Remove the snapring and remove the driven clutch.
  4.  
  5. Remove the front rebound bumper.
  6.  
  7. Disconnect the stabilizer bar at the lower link.
  8.  
  9. Remove the bolts attaching the axle shaft to the carrier. DO NOT REMOVE THE RUBBER BOOTS!
  10.  
  11. Lower the inner end of the axle shaft and then pull the shaft out of the wheel assembly.
  12.  

To install:
  1. Install the outer end of the axle shaft into the wheel and then connect it to the differential. Observe the following points:
    1. Apply multi-purpose wheel bearing grease to the copper portion of the wheel bearing support.
    2.  
    3. Adjust the axle shaft axial end-play by installing the proper thickness of snaprings on the end of the shaft.
    4.  
    5. Tighten the axle shaft flange bolts to 20-27 ft. lbs. (27-37 Nm); the free running hub bolts to 18-25 ft. lbs. (25-34 Nm); the stabilizer bar-to-lower link bolts to 12-16 ft. lbs. (16-22 Nm) and the wheel nuts to 87-108 ft. lbs. (118-147 Nm).

      Click image to see an enlarged view

      Fig. Fig. 1: Exploded view of the front drive axle-1981-83 4wd models

    6.  

  2.  

1984-86 (720-D Series)

See Figure 2

  1. Remove the locking hub.
  2.  
  3. Remove the snapring and drive clutch.
  4.  
  5. Disconnect the lower ball joint.
  6.  
  7. Disconnect the lower end of the shock absorber.
  8.  
  9. Disconnect the axle shaft from the differential.
  10.  
  11. Lower the inner end of the axle shaft and then pull the axle shaft from the wheel housing. It helps to turn the steering wheel to the right when pulling the right shaft and left when pulling the left shaft.
  12.  

To install:
  1. Install the axle shaft into the wheel housing and then connect it to the differential. Please note the following:
    1. Apply chassis lube to all bearing surfaces.
    2.  
    3. Before installing the shaft make sure that the spacer is in place.
    4.  
    5. Adjust the axle shaft end-play by using various thicknesses of snaprings. The end-play should be 0.004-0.012 in. (0.1-0.3mm).
    6.  
    7. Observe the following torques:

      axle shaft-to-differential: 20-27 ft. lbs. (27-37 Nm).
       
      locking hub: 18-25 ft. lbs. (25-34 Nm).
       
      ball joint-to-lower link: 87-123 ft. lbs. (118-165 Nm).
       

    8.  

  2.  



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the front drive axle-1984-86 4wd models (720-D series)

1986-88 (D21-D Series)

See Figures 3 and 4

  1. Remove the bolts attaching the axle shaft to the differential while the brake pedal is being depressed.
  2.  
  3. Remove the free running hub assembly with the brake pedal depressed.
  4.  
  5. Remove the brake caliper assembly without disconnecting the hydraulic brake line. Support or hang the brake caliper with a wire to avoid breaking the hose.
  6.  
  7. Remove the tie rod ball joint.
  8.  
  9. Support the lower link with a jack and remove the nuts attaching the lower ball joint on the lower link.
  10.  
  11. Remove the upper ball joint attaching bolts.
  12.  
  13. Remove the shock absorber lower attaching bolt.
  14.  
  15. Cover the axle shaft boot with a suitable protector, and then remove the axle shaft with the knuckle still attached.
  16.  
  17. Separate the axle shaft from the knuckle by lightly tapping it with a rubber mallet.
  18.  

To install:
  1. Install the axle shaft into the knuckle and then install the assembly.
  2.  
  3. When installing the bearing spacer onto the axle shaft, make sure that the bearing spacer is facing in the proper direction. Temporarily install a new snapring on the axle shaft at the same thickness as it was before removal and then measure the axial end-play of the axle shaft with a dial gauge. The axial end-play should be 0.004-0.012 in. (0.1-0.3mm). Select another snapring if not within specifications.
  4.  
  5. Connect the shock absorber and tighten the bolt to 43-58 ft. lbs. (59-78 Nm).
  6.  
  7. Connect the upper ball joint and tighten the bolts to 12-15 ft. lbs. (16-21 Nm).
  8.  
  9. Connect the lower ball joint to the lower link and tighten the nuts to 35-45 ft. lbs. (47-61 Nm).
  10.  
  11. Install the tie rod ball joint and the brake caliper.
  12.  
  13. Install the hub and then connect the axle shaft to the differential and tighten the bolts to 25-33 ft. lbs. (34-44 Nm).
  14.  
  15. Install the wheels, remove the stands and lower the vehicle.
  16.  



Click image to see an enlarged view

Fig. Fig. 3: Exploded view of the front drive axle-1986-88 4wd models (D21-D series)



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Fig. Fig. 4: Exploded view of the axle shaft assembly-1986-88 4wd models (D21-D series)



Click image to see an enlarged view

Fig. Fig. 5: View of the front axleshaft installed



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Fig. Fig. 6: Removing the axleshaft from the steering knuckle



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Fig. Fig. 7: View of the front axleshaft removed from the steering knuckle



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Fig. Fig. 8: Removing the axleshaft from the differential retaining nuts



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Fig. Fig. 9: Removing the axleshaft from the differential assembly

 
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