GM Service Manual Online
For 1990-2009 cars only

Steering Knuckle Replacement RWD

Removal Procedure

Tools Required

    • J 23742 Ball Joint Separator
    • J 24319-B Universal Steering Linkage Puller
    • J 6627-A Tie Rod Puller

Caution: Floor jack must remain under the lower control arm during removal and installation to retain the lower control arm in position. Failure to do so could result in personal injury.


    Object Number: 160827  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. • Support the lower control arm with floor stands.
    • Place floor stands under the lower control arms as far outboard as possible (between spring seats and ball joint) to maintain maximum leverage.
  3. Remove the rotor. Refer to Front Wheel Hub, Bearing, and Seal Replacement .

  4. Object Number: 1840  Size: SH
  5. Remove the bolts that attach the splash shield to the steering knuckle.

  6. Object Number: 397342  Size: SH
  7. Remove the cotter pin.
  8. Remove the tie rod end stud nut.
  9. Disconnect the tie rod end from the steering knuckle using J 6627-A .

  10. Object Number: 130899  Size: SH
  11. Remove the lower ball joint stud from the steering knuckle using J 23742 .

  12. Object Number: 130902  Size: SH
  13. Remove the upper ball joint stud from the steering knuckle using J 23742 .
  14. 8.1. Position a floor jack under the lower control arm near the spring seat. Raise the jack until the jack supports the control arm.
    8.2. Raise the upper control arm. Disengage the ball joint stud from the steering knuckle.
  15. Remove the steering knuckle from the lower ball joint stud.
  16. 9.1. Clean the steering knuckle.
    9.2. Inspect the steering knuckle tapered hole. Replace the steering knuckle if this tapered hole is out-of-round, deformed, or damaged.

Installation Procedure

Tools Required

J 29193 Steering Linkage Installer

  1. Install the upper ball joint to the steering knuckle. Refer to Upper Control Arm Ball Joint Replacement .
  2. Install the lower ball joint to the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement .

  3. Object Number: 1845  Size: SH
  4. Install the splash shield to the steering knuckle.
  5. 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. Install the splash shield bolts.
  7. Tighten
    Tighten the splash shield bolts to 26 N·m (19 lb ft).

  8. Install the tie rod end to the steering knuckle.
  9. Ensure that the seal is on the stud.

  10. Seat the taper using the J 29193 . Install the J 29193 .
  11. Tighten
    Tighten the J 29193 to 54 N·m (40 lb ft).

  12. Remove the J 29193 from the tie rod end ball stud.
  13. Install the tie rod end retaining nut.
  14. Tighten
    Tighten the tie rod end retaining nut to 53 N·m (39 lb ft).

  15. Install the rotor. Refer to Front Wheel Hub, Bearing, and Seal Replacement .
  16. Lower the vehicle.
  17. Check the front wheel alignment. Refer to Wheel Alignment Specifications in Wheel Alignment.

Steering Knuckle Replacement 4WD

Removal Procedure

Tools Required

J 24319-B Universal Linkage Puller

  1. Remove the hub and bearing assembly. Refer to Front Wheel Hub, Bearing, and Seal Replacement .

  2. Object Number: 130907  Size: SH
  3. Remove the cotter pin from the outer tie rod ball stud nut.
  4. Remove the outer tie rod ball stud nut.
  5. Remove the outer tie rod end from the steering knuckle using J 24319-B .
  6. Remove the upper ball joint from the steering knuckle. Refer to Upper Control Arm Ball Joint Replacement .
  7. Remove the lower ball joint from the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement .

  8. Object Number: 404311  Size: SH
  9. Remove the steering knuckle from the vehicle.

Installation Procedure


    Object Number: 404311  Size: SH
  1. Install the steering knuckle to the upper and lower ball joints ball studs.
  2. Install the lower ball joint to the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement .
  3. Install the upper ball joint to the steering knuckle. Refer to Upper Control Arm Ball Joint Replacement .

  4. Object Number: 291245  Size: SH
  5. Install the tie rod end ball stud to the steering knuckle.
  6. 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.

  7. Install the outer tie rod ball stud nut.
  8. Tighten
    Tighten the outer tie rod ball stud nut to 53 N·m (39 lb ft).

  9. Install a new cotter pin to the outer tie rod stud nut. Bend the pin ends against the nut flats.
  10. Remove the hub and bearing assembly. Refer to Front Wheel Hub, Bearing, and Seal Replacement .