Nissan Pick-ups and Pathfinder 1989-1995

Torsion Bars

Print

REMOVAL & INSTALLATION



See Figures 1 through 9

2wd Models
  1. Block the rear wheels and raise and support the front end with jackstands under the frame rails.
  2.  
  3. Remove the torsion bar spring adjusting nut.
  4.  
  5. Remove the dust cover and remove the snapring from the anchor arm.
  6.  
  7. Pull the anchor arm off toward the rear and then remove the torsion bar spring.
  8.  
  9. Remove the torque arm.
  10.  

To install:
  1. Check the torsion bars for wear, cracks or other damage. Replace them if they are suspect.
  2.  
  3. Install the torque arm on the lower link (control arm) and tighten the bolts to 37-50 ft. lbs. (50-614 Nm).
  4.  
  5. Install the snapring and dust cover on the torsion bar.
  6.  
  7. Coat the splines on the inner end of the torsion bar with chassis lube and install it into the torque arm. The torsion bars are marked L and R and are not interchangeable.
  8.  
  9. Position a floor jack under the lower link and raise it so that clearance between the link and the rebound bumper is 0.
  10.  
  11. Install the anchor arm so that dimension G in the illustration is 0.24-0.71 in. (6-141mm).
  12.  
  13. Install the snapring to the anchor arm and dust cover. Make sure that the snapring is properly installed in the groove of the anchor arm.
  14.  
  15. Tighten the anchor arm adjusting nut until dimension L is 1.314 in. (35mm) for Heavy Duty, Cab/Chassis and STD models; or 1.143 in. (414mm) for all other models.
  16.  
  17. Lower the truck so that it is resting on its wheels and bounce it several times to set the suspension. Turn the anchor bolt adjusting nut so that dimension H in the illustration is 4.25-4.65 in. (1414-1414mm).
  18.  



Click image to see an enlarged view

Fig. Fig. 1: Remove the torsion bar anchor arm adjusting bolt-2wd models



Click image to see an enlarged view

Fig. Fig. 2: Slide back the dust cover and remove the snapring



Click image to see an enlarged view

Fig. Fig. 3: Raise the lower control arm and check the clearance at the bumper



Click image to see an enlarged view

Fig. Fig. 4: Torsion bar springs are marked and not interchangeable



Click image to see an enlarged view

Fig. Fig. 5: Anchor arm installation-2wd models



Click image to see an enlarged view

Fig. Fig. 6: Exploded view of the front suspension-2wd models



Click image to see an enlarged view

Fig. Fig. 7: Tighten the anchor arm adjusting nut-2wd models



Click image to see an enlarged view

Fig. Fig. 8: Ride height adjustment-2wd models



Click image to see an enlarged view

Fig. Fig. 9: Exploded view of the front suspension-2wd models

4wd Models

See Figures 10 through 21

  1. Block the rear wheels and raise and support the front end with jackstands under the frame rails.
  2.  
  3. Remove the torsion bar spring adjusting nut.
  4.  
  5. Pull back the dust boot and remove the anchor arm snapring.
  6.  
  7. Remove the torque arm attaching nuts, then withdraw the torsion bar spring forward with the torque arm still attached.
  8.  

To install:
  1. Check the torsion bar for wear, cracks or other damage. Replace them if they are suspect.
  2.  
  3. Coat the splines on the torsion bar with chassis lube and install it in the anchor arm. The torsion bars are marked L and R and are not interchangeable.
  4.  
  5. Position a floor jack under the lower link (control arm) and raise it so that the clearance between the link and the rebound bumper is 0.
  6.  
  7. Install the anchor arm so that dimension G in the illustration is 1.147-2.36 in. (50-60mm).
  8.  
  9. Install the snapring on the anchor arm and pull the dust boot over it.
  10.  
  11. Tighten the anchor arm adjusting nut until dimension L is 3.03 in. (77mm).
  12.  
  13. Lower the truck so that it is resting on its wheels and bounce it several times to set the suspension. Turn the anchor bolt adjusting nut so that dimension H in the illustration is 1.61-2.01 in. (41-51mm).
  14.  



Click image to see an enlarged view

Fig. Fig. 10: Remove the torsion bar anchor arm adjusting bolt-4wd models



Click image to see an enlarged view

Fig. Fig. 11: Remove the torque arm mounting nuts-4wd models



Click image to see an enlarged view

Fig. Fig. 12: Anchor arm installation-4wd models



Click image to see an enlarged view

Fig. Fig. 13: Make sure that the anchor arm and snapring are properly installed-4wd models



Click image to see an enlarged view

Fig. Fig. 14: Tighten the anchor arm adjusting nut-4wd models



Click image to see an enlarged view

Fig. Fig. 15: Exploded view of the front suspension-4wd models



Click image to see an enlarged view

Fig. Fig. 16: Remove the torsion bar spring nut-4wd models



Click image to see an enlarged view

Fig. Fig. 17: Pull back the dust boot and remove the snapring



Click image to see an enlarged view

Fig. Fig. 18: Remove the torque arm attaching nuts



Click image to see an enlarged view

Fig. Fig. 19: View of the torque arm attaching point



Click image to see an enlarged view

Fig. Fig. 20: Removing the anchor arm and torsion bar assembly



Click image to see an enlarged view

Fig. Fig. 21: Correct measurement of the anchor arm assembly is between 1.147-2.36 in. (50-60mm)-all models similar

 
label.common.footer.alt.autozoneLogo