Nissan Z - ZX 1970-1988 Repair Guide

Suspension Arm

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REMOVAL & INSTALLATION



1979-88 Models

See Figures 1, 2, 3, 4, 5 and 6



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Fig. Fig. 1: Rear suspension components-1979-83 model shown

  1. Block the front wheels.
  2.  
  3. Raise the rear of the vehicle and support it on jackstands under the body member on both sides.
  4.  
  5. Using a floor jack, place it under and support the differential carrier.
  6.  
  7. Paint or scribe alignment marks on the spring stay adjustment bolts attaching the suspension component to the vehicle body.
  8.  
  9. Disconnect and plug the brake line. Disconnect the parking brake cable from the suspension arm and member, being careful not to twist it.
  10.  
  11. Remove the spring stay retaining/adjustment bolt between the suspension arm and vehicle body.
  12.  



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Fig. Fig. 2: Paint or scribe alignment marks on the spring stay adjustment bolt's nut and washer-300 ZX shown



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Fig. Fig. 3: Loosen and remove the rear arm retaining nut and bolt

  1. Disconnect the differential carrier bolts at the center of the suspension member.
  2.  
  3. Remove the stabilizer bar fixing bolt from the suspension arm, if equipped.
  4.  
  5. Remove the suspension arm pins and disconnect the suspension arms.
  6.  

Before removing the suspension arm pin, be sure to match mark it to the bracket.

  1. Remove the suspension arm-to-body nuts from both ends of the member.
  2.  
  3. Carefully lower the jack with the suspension arm member, together with the stabilizer and remove it.
  4.  



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Fig. Fig. 4: Remove the bolts securing the spring stay in place to the vehicle body



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Fig. Fig. 5: Lower the suspension arm and remove from the vehicle



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Fig. Fig. 6: If necessary, a press can be used to remove the rubber bushing from the suspension arm

When removing the suspension member assembly, be careful that it does not tilt and fall off of the jack.

  1. Remove the stabilizer bar from the suspension member by removing the mounting clip bolts.
  2.  
  3. Inspect the suspension arm for cracks, deformation or damage; replace it (if necessary).
  4.  
  5. Using the Rear Suspension Member Insulator Replacer tool No. KV40101300, remove (if necessary) the rubber insulators from the suspension member.
  6.  
  7. To install, reverse the removal procedures. Tighten the suspension arm pin nut and locknut to 58-72 ft. lbs. (78-98 Nm), the differential carrier nut to 43-58 ft. lbs. (59-78 Nm), the suspension member stay nut to 14-19 ft. lbs. (20-25 Nm) and the stabilizer bar fixing bolt, clip bolt and bracket nut to 12-15 ft. lbs. (16-21 Nm).
  8.  

On the 1984 and later models, be sure to adjust the toe-in.

 
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