GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 37420 Steering Knuckle Service Set
    • J 39758 King Pin Pivot Holding Tool
    • J 35999 Spring Scale

Removal Procedure


    Object Number: 201703  Size: LH
  1. Remove the steering knuckle (20) and remove the king pin (12). Refer to Steering Knuckle and King Pin Replacement .
  2. Clamp the knuckle in a vise.

  3. Object Number: 201708  Size: SH
  4. Remove the king pin bushing from the steering knuckle (1). Use components of J 37420 as shown in the illustration.

  5. Object Number: 201710  Size: SH
  6. In order to remove the king pin bearing cup, assemble components ofJ 37420 .
  7. 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.

  8. Install the following:
  9. • J 37420-08 or J 37420-09
    • J 37420-05
    • J 37420-04, not shown in the illustration.

    Tighten
    Tighten the nut to 27 N·m (20 lb ft).


    Object Number: 201712  Size: SH
  10. Remove the king pin bearing cup using J 37420-11 and the J 37420-01 screw. You will not use the nut in this task.

Installation Procedure


    Object Number: 201714  Size: SH
  1. Install the king pin bushing (1) onto the steering knuckle (2). Use components of J 37420 as shown in the illustration.

  2. Object Number: 201716  Size: SH
  3. Install the king pin bearing cup onto the steering knuckle (1). Use components of J 37420 as shown in the illustration.

  4. Object Number: 201703  Size: LH
  5. Install the knuckle (20) and the king pin (12).

  6. Object Number: 201718  Size: SH
  7. Measure the king pin bearing preload, using J 35999 . Refer to King Pin Bearing Preload .