GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • 7208 Drive Shaft Remover.
    • KM-468 Hub Holding Tool.

Removal Procedure

    Warning: Refer to Safety Glasses Warning in the Preface section.

    Danger: To avoid any vehicle damage, serious personal injury or death when major components are removed from the vehicle and the vehicle is supported by a hoist, support the vehicle with jack stands at the opposite end from which the components are being removed and strap the vehicle to the hoist.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the rear wheel. Refer to Tire and Wheel Removal and Installation.
  3. Remove the rear brake disc. Refer to Rear Brake Rotor Replacement.

  4. Object Number: 1959112  Size: SH
  5. Install the KM-468 (1) to the wheel hub (2) with two inverted wheel nuts (3).
  6. Support the KM-468 (1) outer end on a safety stand.

  7. Object Number: 1958984  Size: SH

    Note: The wheel drive shaft retaining nut (2) and washer (1) must be discarded after removal.

  8. Remove the wheel drive shaft retaining nut (2) and washer (1).
  9. • Discard the nut.
    • Discard the washer.

    Object Number: 2034142  Size: SH

    Note: The wheel speed sensor cable must be secured to protect it from damage.

  10. Disconnect the wheel speed sensor electrical connector (1).
  11. Detach the wheel speed sensor wiring harness mounting clips (2, 3 and 4).

  12. Object Number: 1946998  Size: SH

    Note: Prevailing torque nuts must be discarded after removal.

  13. Remove the lower control arm to knuckle retaining bolt (2) and nut (1).
  14. Discard the nut.


    Object Number: 2034143  Size: SH
  15. Remove the I-Link to knuckle retaining bolt (1).

  16. Object Number: 1946995  Size: SH

    Note: Mark the location of the Y-Link to knuckle retaining bolt and nut relative to the Y-Link for correct re-assembly.

    Note: Prevailing torque nuts must be discarded after removal.

  17. Remove the Y-Link to knuckle retaining bolt (2) and nut (1).
  18. Discard the nut.


    Object Number: 2034145  Size: SH

    Note: Mark the location of the bolt and nut relative to the upper control arm for correct assembly.

    Note: Do not remove the upper control arm to knuckle retaining bolt (2) and nut (1).

  19. Loosen the upper control arm to knuckle retaining bolt (2) and nut (1).

  20. Object Number: 2034151  Size: SH
  21. Install the 7208 (1) to the wheel hub (2).
  22. Press the wheel drive shaft from the wheel hub using the 7208 (1).
  23. Remove the 7208 (1) from the wheel hub (2).

  24. Object Number: 2034146  Size: SH

    Note: Prevailing torque nuts must be discarded after removal.

  25. Remove the upper control arm to knuckle retaining bolt (2) and nut (1).
  26. Discard the nut.

  27. Remove the wheel hub and knuckle assembly.
  28. Disassemble the wheel hub and knuckle assembly. Refer to Rear Wheel Bearing and Hub Replacement.

Installation Procedure

  1. Assemble the wheel hub and knuckle assembly. Refer to Rear Wheel Bearing and Hub Replacement.
  2. Install the wheel hub and knuckle assembly to the upper control arm.

  3. Object Number: 2034146  Size: SH

    Note:  The upper control arm to knuckle retaining bolt (2) and NEW nut (1) must not to be fully tightened at this stage.

  4. Install the upper control arm to knuckle retaining bolt (2) and NEW nut (1).

  5. Object Number: 2034150  Size: SH

    Note: Lightly lubricate the wheel drive shaft outer splined end (3) with the recommended differential lubricant.

    Note: Do not excessively push the wheel drive shaft (2) through the wheel hub (1).

  6. Push the wheel drive shaft outer splined end (3) into the splined cavity (4) of the wheel hub (1).
  7. Remove the wire used to support the wheel drive shaft.

  8. Object Number: 1946998  Size: SH

    Note: The lower control arm to knuckle retaining bolt (2) and NEW nut (1) must not to be fully tightened at this stage.

  9. Install the lower control arm to knuckle retaining bolt (2) and NEW nut (1).

  10. Object Number: 1958993  Size: SH
  11. Install the Y-Link (4) to the knuckle (2).
  12. Note: The Y-Link to knuckle retaining bolt (1) and NEW nut (3) must not to be fully tightened at this stage.

  13. Install the Y-Link to knuckle retaining bolt (1) and NEW nut (3).

  14. Object Number: 2034143  Size: SH

    Note: The I-Link to knuckle retaining bolt (1) must not to be fully tightened at this stage.

  15. Install the I-Link to knuckle retaining bolt (1).

  16. Object Number: 2034142  Size: SH
  17. Connect the wheel speed sensor electrical connector (1).
  18. Attach the wheel speed sensor wiring harness mounting clips (2, 3 and 4).

  19. Object Number: 1958984  Size: SH

    Note: A NEW wheel drive shaft retaining nut and NEW washer must be used when installing the wheel drive shaft.

  20. Install the NEW wheel drive shaft retaining nut (2) and NEW washer (1).

  21. Object Number: 2034147  Size: SH
  22. Install the KM-468 (1) to the wheel hub (2) with two inverted wheel nuts (3) and tighten a first pass to 150 N·m (111 lb ft).
  23. Support the KM-468 (1) outer end on a safety stand.
  24. Caution: Refer to Fastener Caution in the Preface section.

    Note: DO NOT EXCEED THE SPECIFIED TIGHTENING VALUES. PREMATURE BEARING FAILURE MAY RESULT.

  25. There are two methods of tightening the wheel drive shaft retaining nut.
  26. • Preferred method.

    Tighten
    Tighten the nut on first pass to 150 N·m(111 lb ft).

    Loosen
    Loosen the nut on second pass by 180 Degrees.

    Tighten
    Tighten the nut on third pass to 425 N·m(313 lb ft).

    • Crimp nut.
    • Alternate Method

    Tighten
    Tighten the nut on first pass to 150 N·m(111 lb ft).

    Loosen
    Loosen the nut on second pass by 180 Degrees.

    Tighten
    Tighten the nut on the third pass to 50 N·m(37lb ft)

    Tighten
    Tighten the nut on the forth pass by 45 Degrees

    • Crimp nut.
  27. Install the rear brake disc. Refer to Rear Brake Rotor Replacement.
  28. Install the rear wheel. Refer to Tire and Wheel Removal and Installation.
  29. Remove the safety stands.
  30. Lower the vehicle to the ground.
  31. Bounce the vehicle several times to settle the suspension.

  32. Object Number: 2034149  Size: SH

    Note: The weight of the vehicle must be on a level surface and on all four wheels before fully tightening the nuts and bolts.

    Note: Align the bolt to the mark made prior to removal.

  33. Install the upper control arm using the knuckle retaining bolt (2) and the NEW nut (1) and tighten a first pass to 60 N·m(44 lb ft).
  34. Tighten the bolt and nut a final pass to 90 Degrees.


    Object Number: 1943699  Size: SH
  35. Install the lower control arm to the knuckle retaining bolt (2) and NEW nut (1) and tighten a first pass to 40 N·m (30 lb ft).
  36. Tighten the nut in a final pass 120 Degrees.


    Object Number: 1943702  Size: SH

    Note: Align the mark from bolt to Y-Link made prior to removal.

  37. Install the Y-Link using the knuckle retaining bolt (2) and NEW nut (1) and tighten a first pass to 40 N·m (30 lb ft).
  38. Tighten the bolt and nut in a second pass 120 Degrees.


    Object Number: 2034148  Size: SH
  39. Install the I-Link using the knuckle retaining bolt (1) and tighten to 140 N·m (103 lb ft).
  40. Check the vehicle rear wheel alignment and adjust if necessary. Refer to Wheel Alignment Specifications.