GM Service Manual Online
For 1990-2009 cars only

Disassembly Procedure


    Object Number: 1290198  Size: SH
  1. Remove the rack and pinion steering assembly from the vehicle. Refer to Steering Gear Replacement .
  2. Remove the dust cover from the lower end of the housing.

  3. Object Number: 1290209  Size: SH
  4. While holding the stub shaft with a wrench remove the locknut from the pinion.

  5. Object Number: 1290220  Size: SH
  6. With the gear centered, mark the location of the stub shaft notch on the housing to aid in properly install in the valve and pinion assembly.
  7. Remove the stub shaft retaining ring and using an arbor press, press on the threaded end of the pinion until it is possible to remove the pinion and valve assembly from the housing.

  8. Object Number: 1290229  Size: SH
  9. Remove the stub shaft dust seal the stub shaft bearing annulus assembly and the valve assembly from the housing. Discard the stub shaft dust seal.

  10. Object Number: 1290237  Size: SH
  11. Remove the lower valve assembly bearing and the bushing.

  12. Object Number: 1290246  Size: SH
  13. Remove the lower bearing assembly retaining ring and press the lower bearing assembly from the lower end of the housing.

Assembly Procedure


    Object Number: 1290246  Size: SH

    Important: Coat all the seals with power steering fluid to ensure proper sealing.

  1. Install the lower bearing assembly and the lower bearing assembly retaining ring into the lower end of the housing.

  2. Object Number: 1290237  Size: SH
  3. Install the lower valve assembly bearing and the bushing.

  4. Object Number: 1290229  Size: SH
  5. Center the rack in the housing.
  6. Install the valve assembly, the stub shaft bearing annulus assembly and a new stub shaft dust seal into the housing.
  7. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1290253  Size: SH

    Important: When the valve and pinion assembly is fully seated in the housing be sure that the notch in the stub shaft and the mark on the housing line up.

  8. While holding the stub shaft, install the locknut onto the pinion shaft.
  9. Tighten
    Tighten the pinion locknut to 30 N·m (22 lb ft).


    Object Number: 1290198  Size: SH
  10. Replace the dust cover onto the housing.
  11. Install the rack and pinion steering assembly. Refer to Steering Gear Replacement .