GM S-Series Pick-ups and SUV's 1994-1999 Repair Guide

Shock Absorbers

Imprimir

REMOVAL & INSTALLATION



2WD Vehicles

See Figure 1

  1. Raise and support the front of the vehicle safely using jackstands.
  2.  
  3. Using an open end wrench, hold the shock absorber upper stem to prevent it from turning, then remove the upper stem retaining nut, the retainer and rubber grommet.
  4.  



Click image to see an enlarged view

Fig. Fig. 1: Common front shock absorber mounting-2WD vehicles

  1. Remove the shock absorber-to-lower control arm retaining bolts and lower the shock absorber assembly from the bottom of the control arm.
  2.  
  3. Inspect and test the shock absorber; replace it, if necessary.
  4.  

To install:
  1. Fully extend the shock absorber stem, then push it up through the lower control arm and spring so that the upper stem passes through the mounting hole in the upper control arm frame bracket.
  2.  
  3. Install the upper shock absorber nut and tighten to 100 inch. lbs. (11 Nm) on 1994 models 145 inch lbs. (16 Nm) on 1995 models, 54 ft. lbs. (73 Nm) on 1996 models, or 106 inch lbs. (12 Nm) on 1997-99 models while holding the stem with an open end wrench. Be careful not to crush the rubber bushing.
  4.  
  5. Install the shock absorber-to-lower control arm retaining bolts and tighten to 20 ft. lbs. (27 Nm) on 1994-95 models and 54 ft. lbs. (73 Nm) on 1996 models, or 22 ft. lbs. (30 Nm) on 1997-99 models.
  6.  
  7. Remove the jackstands and carefully lower the vehicle.
  8.  

4WD Vehicles

See Figures 2 and 3

  1. Raise and support the front of the vehicle safely using jackstands.
  2.  
  3. Remove the tire and wheel assembly to ease access.
  4.  
  5. Remove the shock absorber-to-lower control arm nut and bolt (using a backup wrench), then collapse the shock absorber.
  6.  



Click image to see an enlarged view

Fig. Fig. 2: Loosen and remove the shock absorber lower mounting bolt



Click image to see an enlarged view