GM Astro/Safari 1985-1996 Repair Guide

Stabilizer (Sway) Bar

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REMOVAL & INSTALLATION



1985-93 Vehicles

See Figure 1



Click image to see an enlarged view

Fig. Fig. 1: Exploded view of the rear stabilizer bar mounting-1985-93 vehicles

  1. Raise the vehicle and support with jackstands.
  2.  
  3. Remove the bolts and washers from the link brackets.
  4.  
  5. Remove the nuts, washers and clamps from the anchor block studs.
  6.  
  7. Remove the insulator from the stabilizer bar.
  8.  
  9. Remove the upper link nuts, washers and bolts from the link assembly.
  10.  
  11. Remove the link bracket.
  12.  
  13. Remove the link nuts, washers and bolts. Pry open the lower link to obtain clearance from the link insulator.
  14.  
  15. Remove the link insulator from the stabilizer bar.
  16.  

To install:
  1. Install the insulator to the bar.
  2.  
  3. Install the link assembly to the link insulator.
  4.  
  5. Install the link bolts, washers and nuts.
  6.  
  7. Install the link brackets to the link assembly.
  8.  
  9. Install the upper link nuts, washers and bolts.
  10.  
  11. Install the clamps over the insulator onto the anchor block studs.
  12.  
  13. Tighten the retainers to specification:

    Link bracket bolts: 25 ft. lbs. (35 Nm)
     
    Lower link bolts: 12 ft. lbs. (17 Nm)
     
    Upper link bolts: 33 ft. lbs. (45 Nm)
     
    Cap nuts: 38 ft. lbs. (52 Nm)
     

  14.  
  15. Remove the jackstands, then carefully lower and road test the vehicle.
  16.  

1994-96 Vehicles

See Figure 2



Click image to see an enlarged view

Fig. Fig. 2: Exploded view of the rear stabilizer bar mounting-1994-96 vehicles

  1. Raise and support the rear of the vehicle safely using jackstands.
  2.  
  3. Remove the top bolts from the stabilizer links.
  4.  
  5. Remove the stabilizer links from the frame brackets.
  6.  
  7. Remove the nuts from the stabilizer clamps, then remove the clamps. The stabilizer bar assembly will be free from the vehicle at this point.
  8.  
  9. If necessary for component replacement:
    1. Remove the insulator from the stabilizer bar.
    2.  
    3. Remove the lower link nuts, washers and bolts from the link assembly.
    4.  
    5. Pry open the lower link to obtain clearance from the link insulator, then remove the link from the insulator and stabilizer assembly.
    6.  
    7. Remove the link insulator from the stabilizer bar.
    8.  

  10.  

To install:
  1. If removed, install the insulators to the stabilizer bar, then install the link assembly to the insulator. Install the link bolts, nuts and washers.
  2.  
  3. Install the clamp insulators, then install the stabilizer to the anchor block.
  4.  
  5. Position the clamp over the insulator and onto the anchor block studs. Secure the clamp using the washers and nuts.
  6.  
  7. Install the stabilizer links to the frame brackets.
  8.  
  9. Install the upper link bolts, washers and nuts to the frame bracket.
  10.  
  11. Tighten the retainers to specification:

    Lower link bolts: 14 ft. lbs. (18 Nm)
     
    Upper link bolts: 33 ft. lbs. (45 Nm)
     
    Clamp nuts (1994-95): 52 ft. lbs. (70 Nm)
     
    Clamp nuts (1996): 44 ft. lbs. (60 Nm)
     

  12.  
  13. Remove the jackstands, then carefully lower and road test the vehicle.
  14.  

 
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