GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2009 🢒 Lucerne 🢒 Suspension 🢒 Rear Suspension 🢒 Coil Spring Replacement

Special Tools

J 24319-B Universal Steering Linkage Puller

Removal Procedure

    Object Number: 105014 Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  3. Support the control arm with a suitable jack.
  4. Remove the automatic level control sensor link from the control arm.
  5. Remove the lower shock absorber retaining bolts.
  6. Disconnect the stabilizer link from the control arm. Refer to Stabilizer Shaft Link Replacement.
  7. Remove the rear caliper pin bolts.
  8. Using heavy wire, hang the rear brake caliper.

    9. Object Number: 397546 Size: SH
  9. Remove the adjustment link retaining nut.

    10. Object Number: 643351 Size: SH
  10. Using J 24319-B separate the adjustment link from the lower control arm.

    11. Object Number: 105025 Size: SH
  11. Slowly lower the lower control arm until it bottoms on the support assembly.
  12. Using a pry bar, pry under the lower coil spring insulator and remove the coil spring with the insulator.
  13. Remove the upper coil spring insulator by pulling downward.
  14. Separate the lower control arm insulator from the coil spring.

Installation Procedure

    Object Number: 105027 Size: SH
  1. Install the upper coil spring insulator to the body.

    2. Object Number: 105026 Size: SH
  2. Install the lower coil spring insulator in the control arm.
  3. Install the coil spring ensuring that the coil spring insulators are seated in the upper and lower control arms.

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


    Object Number: 105014 Size: SH
  4. Raise the lower control arm and install the shock absorber retaining bolts in the lower control arm.

    5. Tighten
    Tighten the lower shock absorber retaining bolts to 25 N·m (18 lb ft).

  5. Attach the rear brake caliper to the bracket using the caliper guide pin bolts.

    6. Tighten
    Tighten the caliper guide pin bolts to 34 N·m (25 lb in).

  6. Install the stabilizer link. Refer to Stabilizer Shaft Link Replacement.

    7. Object Number: 397546 Size: SH
  7. Install the adjustment link to the control arm.

    8. Tighten
    Tighten adjustment link retaining nut to 30 N·m (22 lb ft) plus 180 degrees.

  8. Connect the automatic level control sensor link to the control arm.
  9. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation.
  10. Lower the vehicle.