GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

    • J 37420 Steering Knuckle Service Set
    • J 39758 King Pin Holding Tool

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

  3. Object Number: 340494  Size: SH
  4. Remove the king pin bushing from the steering knuckle (1). Use components of the J 37420 as shown in the illustration.

  5. Object Number: 340497  Size: SH

    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.

  6. In order to remove the king pin bearing cup, assemble components of J 37420 . First install J 37420 -08 (or J 37420 -09), J 37420 -05, and J 37420 -04 (not shown in the illustration).
  7. Tighten
    Tighten the nut to 27 N·m (20 lb ft).


    Object Number: 340501  Size: SH
  8. Remove the king pin bearing cup using the J 37420 -11 and the J 37420 -01 screw (you will not use the nut in this task).

Installation Procedure

Tools Required

    • J 37420 Steering Knuckle Service Set
    • J 35999 Tension Scale

    Object Number: 340505  Size: SH
  1. Install the king pin bushing (1) onto the steering knuckle (2). Use components of the J 37420 as shown in the illustration.

  2. Object Number: 340508  Size: SH
  3. Install the king pin bearing cup onto the steering knuckle (1). Use components of the 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: 340429  Size: SH
  7. Measure the king pin bearing preload, using the J 35999 . Refer to King Pin Bearing Preload .