GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Prix 🢒 Suspension 🢒 Rear Suspension 🢒 Knuckle Replacement

Removal Procedure

    Object Number: 156949 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Scribe the strut to the knuckle.
  4. Disconnect the rear wheel spindle rods from the knuckle.
  5. Remove the brake caliper and bracket. Refer to Rear Brake Caliper Bracket Replacement in Disc Brakes.
  6. Remove the brake rotor. Refer to Rear Brake Rotor Replacement in Brakes.
  7. Disconnect the ABS electrical connector.
  8. Remove the rear wheel hub. Refer to Rear Wheel Bearing and Hub Replacement .
  9. Disconnect the trailing arm (1) from the knuckle. Refer to Trailing Arm Replacement .
  10. Remove the rear suspension strut to knuckle bolts.
  11. Remove the rear suspension knuckle.

Installation Procedure

    Object Number: 156949 Size: SH
  1. Install the rear suspension knuckle.
  2. Hand start the rear suspension strut to knuckle bolts. Do not tighten the nuts at this time.
  3. Connect the rear wheel spindle rods to the knuckle. Refer to Spindle Rod Replacement .
  4. Connect the rear suspension trailing arm (1) to the knuckle. Refer to Trailing Arm Replacement .
  5. Install the rear wheel hub. Refer to Rear Wheel Bearing and Hub Replacement .
  6. Connect the ABS electrical connector.

    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.

  7. Install the brake caliper and bracket. Refer to Rear Brake Caliper Bracket Replacement in Disc Brakes.

    8. Install the brake rotor. Rear Brake Rotor Replacement in Brakes.

    Tighten
    Tighten the strut to knuckle bolts to 112 N·m (82 lb ft).

  8. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  9. Lower the vehicle.