GM Service Manual Online
For 1990-2009 cars only

Front Caster and Camber Adjustment - Up to xx/xx

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front wheel. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1955530  Size: SH

    Important: The strut assembly to steering knuckle retaining bolts (3), nuts (1) and washers (2) are single use parts. They must be discarded after removal.

  4. Remove the strut assembly to steering knuckle retaining bolts (3), nuts (1) and washers (2).
  5. Discard the bolts, nuts and washers.

    Important: The strut assembly to steering knuckle retaining bolts (2) and nuts (1) are not to be fully tightened until after the front camber has been adjusted.

  6. Install NEW strut assembly to steering knuckle retaining bolts (3), washers (2) and nuts (1).
  7. Do not fully tighten at this stage.

  8. Install the front wheel. Refer to Tire and Wheel Removal and Installation .
  9. Remove the safety stands.
  10. Lower the vehicle to the ground.
  11. Important: Before checking and adjusting any wheel alignment angles bounce the vehicle to settle the suspension to normal ride height.

  12. Bounce the vehicle several times to settle the suspension.

  13. Object Number: 1955534  Size: SH

    Important: For accurate readings do not push or pull on the tyre and wheel assembly during the alignment process.

  14. Determine the actual caster angle (1).

  15. Object Number: 1955535  Size: SH
  16. Remove the front caster arm to subframe retaining nut (4) and bolt (2).
  17. Discard the bolts and nuts.

    Important: The front caster arm to subframe offset washers (1) are used to adjust the caster of the front suspension.

  18. Adjust the caster to specification by selecting and installing the correct front caster arm to subframe offset washer (1). For caster specifications, Refer to Wheel Alignment Specifications .
  19. Install the subframe offset washer to subframe retaining clips (3).
  20. Install the NEW lower caster arm to the subframe retaining bolt (2).
  21. Install the NEW lower caster arm to the subframe retaining nut (4).
  22. Do not fully tighten at this stage.

    Notice: Refer to Fastener Notice in the Preface section.

  23. Tighten the front caster arm to subframe retaining nut (4).
  24. Tighten
    Tighten the nut to 50 N·m+ 120° (30 lb ft + 120°).


    Object Number: 1955536  Size: SH

    Important: For accurate readings do not push or pull on the tyre and wheel assembly during the alignment process.

  25. Determine the actual camber, Positive (1) or Negative (2).

  26. Object Number: 1955537  Size: SH
  27. Adjust the camber to specification using the camber adjusting bolt (3). Turning clockwise will reduce negative camber. For camber specifications, Refer to Wheel Alignment Specifications .
  28. Tighten the strut assembly to steering knuckle retaining bolts (2) and nuts (1).
  29. Tighten

        • Tighten the bolts a first pass to 85 N·m (63 lb ft).
        • Tighten the bolts a second pass to 100 N·m (74 lb ft).
        • Tighten the bolts an additional 90 degrees.
  30. Verify that the caster and camber are still within specifications. Refer to Wheel Alignment Specifications .
  31. If further adjustment is required, adjust as necessary.

Front Caster and Camber Adjustment - From xx/xx

    Caution: Refer to Vehicle Lifting Caution in the Preface section.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the front wheel. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 2015972  Size: SH

    Important: The strut assembly to steering knuckle retaining bolts (3), nuts (1) and washers (2) are single use parts. They must be discarded after removal.

  4. Remove the strut assembly to steering knuckle retaining bolts (3), nuts (1) and washers (2).
  5. Discard the bolts, nuts and washers.

    Important: The strut assembly to steering knuckle retaining bolts (2) and nuts (1) are not to be fully tightened until after the front camber has been adjusted.

  6. Install NEW strut assembly to steering knuckle retaining bolts (3), washers (2) and nuts (1).
  7. Do not fully tighten at this stage.

  8. Install the front wheel. Refer to Tire and Wheel Removal and Installation .
  9. Remove the safety stands.
  10. Lower the vehicle to the ground.
  11. Important: Before checking and adjusting any wheel alignment angles bounce the vehicle to settle the suspension to normal ride height.

  12. Bounce the vehicle several times to settle the suspension.

  13. Object Number: 1955534  Size: SH

    Important: For accurate readings do not push or pull on the tyre and wheel assembly during the alignment process.

  14. Determine the actual caster angle (1).

  15. Object Number: 2037932  Size: SH
  16. Remove the front caster arm to subframe retaining nut (3) and bolt (2).
  17. Discard the bolts and nuts.

  18. For caster specifications, Refer to Wheel Alignment Specifications .
  19. Install the NEW lower caster arm to the subframe retaining bolt (2).
  20. Install the NEW lower caster arm to the subframe retaining nut (4).
  21. Do not fully tighten at this stage.

    Notice: Refer to Fastener Notice in the Preface section.

  22. Tighten the front caster arm to subframe retaining nut (4).
  23. Tighten
    Tighten the nut to 50 N·m+ 120° (30 lb ft + 120°).


    Object Number: 1955536  Size: SH

    Important: For accurate readings do not push or pull on the tyre and wheel assembly during the alignment process.

  24. Determine the actual camber, Positive (1) or Negative (2).

  25. Object Number: 2015974  Size: SH
  26. For camber specifications, Refer to Wheel Alignment Specifications .
  27. Tighten the strut assembly to steering knuckle retaining bolts (2) and nuts (1).
  28. Tighten

        • Tighten the bolts a first pass to 85 N·m (63 lb ft).
        • Tighten the bolts a second pass to 100 N·m (74 lb ft).
        • Tighten the bolts an additional 90 degrees.
  29. Verify that the caster and camber are still within specifications. Refer to Wheel Alignment Specifications .
  30. If further adjustment is required, adjust as necessary.