GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Sierra - 4WD 🢒 Suspension 🢒 Wheel Alignment 🢒 Front Caster and Camber Adjustment

Caster Adjustment

    Object Number: 376758 Size: SH
  1. Remove the pinned adjusting cam insert. Do not reinstall the cam insert.
  2. Loosen the upper control arm adjusting cam nuts.
  3. Rotate the cam bolts to the required caster specification setting. Refer to Wheel Alignment Specifications .

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Maintain the caster setting while tightening the cam bolt nuts.

    5. Tighten
    Tighten the nuts to 190 N·m (140 lb ft).

    Important: Verify the toe setting after changing the camber or the caster.

  5. Verify the caster and the camber settings after tightening.

    6. Verify the steering wheel pull specification after tightening

  6. Readjust the caster and the camber setting if necessary.

Camber Adjustment

    Object Number: 376758 Size: SH
  1. Remove the pinned adjusting cam insert. Do not reinstall the cam insert.
  2. Loosen the upper control arm cam bolt nuts.
  3. Rotate the cam bolts to the required caster specification setting. Refer to Wheel Alignment Specifications .

    4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Maintain the camber setting while tightening the cam bolt nuts.

    5. Tighten
    Tighten the nuts to 190 N·m (140 lb ft).

    Important: Verify the toe after changing the camber or the caster.

  5. Verify the caster and the camber settings after tightening.

    6. Verify the steering wheel pull specification after tightening

  6. Adjust the caster and the camber setting if necessary.