GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 LaCrosse 🢒 Suspension 🢒 Front Suspension 🢒 Steering Knuckle Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the bearing/hub assembly. Refer to Front Wheel Bearing and Hub Replacement.
  3. Disconnect the front lower control arm ball stud. Refer to Lower Control Arm Replacement.
  4. Disconnect the outer tie rod end from the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement.

    5. Object Number: 385558 Size: SH
  5. Scribe the strut to the knuckle.

    6. Object Number: 385564 Size: SH
  6. Remove the bolts and nuts attaching the strut to the knuckle.
  7. Remove the knuckle from the vehicle.

Installation Procedure
  1. Install the knuckle to the vehicle.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 385564 Size: SH
  2. Install the through bolts and nuts attaching the strut to the knuckle.

    3. Tighten
    Tighten the through bolts and nuts to 120 N·m (89 lb ft).

  3. Connect the outer tie rod to the steering knuckle. Refer to Steering Linkage Outer Tie Rod Replacement.
  4. Connect the front lower control arm ball stud to the knuckle. Refer to Lower Control Arm Replacement.
  5. Install the front wheel drive shaft bearing. Refer to Front Wheel Bearing and Hub Replacement.
  6. Lower the vehicle.
  7. Inspect the front wheel alignment and adjust if necessary. Refer to Wheel Alignment Measurement.