GM Full-Size Trucks 1988-1998 Repair Information

Power Steering Gear

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REMOVAL & INSTALLATION



R/V Series

See Figure 1

  1. Raise and support the front end on jackstands.
  2.  



Click image to see an enlarged view

Fig. Fig. 1: Power steering gear installation-R-Series, V-series similar

  1. Set the front wheels in the straight ahead position.
  2.  
  3. Disconnect the battery ground cable.
  4.  
  5. Place a drain pan under the gear and disconnect the fluid lines. Cap the openings.
  6.  
  7. Remove the flexible coupling pinch bolt.
  8.  
  9. Mark the relationship of the Pitman arm to the Pitman shaft.
  10.  
  11. Remove the Pitman shaft nut and then remove the Pitman arm from the Pitman shaft, using a puller.
  12.  
  13. Remove the steering gear to frame bolts and remove the gear assembly.
  14.  

To install:
  1. Place the steering gear in position, guiding the wormshaft into flexible coupling. Align the flat in the coupling with the flat on the wormshaft.
  2.  
  3. Install the steering gear to frame bolts and tighten to 66 ft. lbs. (89 Nm).
  4.  
  5. Install the flexible coupling pinch bolt. Tighten the pinch bolt to 30 ft. lbs. (40 Nm). Check that the relationship of the flexible coupling to the flange is 1 / 4 - 3 / 4 in. (6-19mm) of flat.
  6.  
  7. Install the Pitman arm onto the Pitman shaft, lining up the marks made at removal. Install the Pitman shaft nut and tighten to 185 ft. lbs. (250 Nm).
  8.  
  9. Connect the fluid lines and refill the reservoir. Bleed the system.
  10.  

C/K Series

See Figure 2

  1. Raise and support the front end on jackstands.
  2.  



Click image to see an enlarged view

Fig. Fig. 2: Power steering gear installation-C/K-Series

  1. Set the front wheels in the straight ahead position.
  2.  
  3. Disconnect the battery ground cable.
  4.  
  5. Place a drain pan under the gear and disconnect the fluid lines. Cap the openings.
  6.  
  7. Remove the adapter and shield from the gear and flexible coupling.
  8.  
  9. Matchmark the flexible coupling clamp and wormshaft.
  10.  
  11. Remove the flexible coupling pinch bolt.
  12.  
  13. Mark the relationship of the Pitman arm to the Pitman shaft.
  14.  
  15. Unfasten shaft nut and then remove the Pitman arm from the Pitman shaft, using a puller.
  16.  
  17. Unfasten the steering gear-to-frame bolts and remove the gear assembly.
  18.  

To install:
  1. Place the steering gear in position, guiding the wormshaft into flexible coupling. Align the flat in the coupling with the flat on the wormshaft.
  2.  
  3. Install the steering gear-to-frame bolts and tighten to 69 ft. lbs. (93 Nm) on 1988-90 models; 100 ft. lbs. (135 Nm) on 1991-98 models.
  4.  
  5. Install the flexible coupling pinch bolt. Tighten the pinch bolt to 30 ft. lbs. (41 Nm) on 1988-90 models; 22 ft. lbs. (30 Nm) on 1991-98 models. Check that the relationship of the flexible coupling to the flange is 1 / 4 - 3 / 4 in. (6-19mm) of flat.
  6.  
  7. Install the Pitman arm onto the Pitman shaft, lining up the marks made at removal. Install the Pitman shaft nut.
  8.  
  9. Install the adapter and shield.
  10.  
  11. Connect the fluid lines and refill the reservoir. Bleed the system.
  12.  

 
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