GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 26610 Installer
    • J 42459 Rack Guide Spring Cap Wrench

Disassembly Procedure


    Object Number: 1256460  Size: SH
  1. Remove the rack and pinion steering assembly from the vehicle. Refer to Steering Gear Replacement .
  2. Mark the threads on the inner tie rod to aid in repositioning the adjusting nut.
  3. Loosen the adjusting nut and remove the outer tie rod nut and the adjusting nut.

  4. Object Number: 1256461  Size: SH
  5. Remove the dust boot retaining clamps and remove the dust boot.

  6. Object Number: 1256464  Size: SH
  7. Remove the inner tie rod.

  8. Object Number: 1256468  Size: SH
  9. Remove the adjuster plug lock nut, adjuster plug, adjuster spring, and rack bearing.

  10. Object Number: 1256470  Size: SH
  11. Remove the dust cover, snap ring, and pinion lock nut. The pinion lock nut can be removed when the pinion shaft is fixed.

  12. Object Number: 1256471  Size: SH
  13. Remove the rubber dust cover and snap ring.

  14. Object Number: 1256475  Size: SH
  15. Remove the gear and valve assembly by tapping on the pinion shaft gently with a hammer and steel bar.

  16. Object Number: 1256477  Size: SH
  17. Remove the pinion shaft seal and middle bearing.

  18. Object Number: 1256478  Size: SH
  19. Remove the pinion shaft ball bearing by tapping on the pinion shaft gently with a rubber hammer and steel bar.

  20. Object Number: 1256480  Size: SH
  21. To remove the steering rack gear, remove the circlip from the rack gear housing.

  22. Object Number: 1256481  Size: SH
  23. Pull out the rack gear and rack gear stopper at the same time from the rack gear housing.

Assembly Procedure


    Object Number: 1256482  Size: SH
  1. Install the rack gear and rack gear stopper to the rack gear housing.
  2. Install the circlip.

  3. Object Number: 1256483  Size: SH
  4. Install the pinion shaft ball bearing.

  5. Object Number: 1256477  Size: SH
  6. Install the pinion shaft, seal and needle bearing.

  7. Object Number: 1256471  Size: SH
  8. Install the snap ring and the rubber dust cover.
  9. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1256470  Size: SH
  10. Install the pinion lock nut.
  11. Tighten
    Tighten the pinion lock nut to 30 N·m (22 lb ft).


    Object Number: 1256468  Size: SH
  12. Coat the rack bearing, the adjuster spring, and the adjuster plug with lithium-based grease and install them into the housing.
  13. With the rack centered, turn the adjuster plug clockwise.
  14. Specification
    Turn the adjuster plug clockwise until a torque of 7 N·m (62 lb in) is obtained, then back it off by 30-40 degrees.

  15. Inspect the pinion torque.
  16. Specification
    Maximum pinion preloaded torque is 1 N·m (9 lb in).

  17. Thread the locknut on the adjuster plug and tighten it.
  18. Tighten
    Tighten the adjuster plug locknut to 75 N·m (55 lb ft) while holding the adjuster plug stationary with the J 42459 or with a 19 mm allen wrench.


    Object Number: 1256464  Size: SH
  19. Install the tie rod.
  20. Tighten
    Tighten the inner tie rod to 100 N·m (74 lb ft).


    Object Number: 1256485  Size: SH
  21. Install the dust boot and retaining clamps with J 26610 .

  22. Object Number: 1256460  Size: SH
  23. Install the outer tie rod and lock nut.
  24. Tighten
    Tighten the outer tie rod end lock nut to 64 N·m (47 lb ft).