GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Saturn 🢒 2004 🢒 L300/LW300 🢒 Suspension 🢒 Rear Suspension 🢒 Trailing Arm Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    3. Object Number: 891528 Size: SH
  3. Remove the rear brake hose bracket from the trailing arm.

    4. Object Number: 898140 Size: SH
  4. Remove the wheel bearing/hub assembly. Refer to Rear Wheel Bearing and Hub Replacement .

    5. Object Number: 891533 Size: SH
  5. Disconnect the brake cable support from the parking brake cable.
  6. If equipped with drum brakes, separate the backing plate from the control arm. Secure the backing plate when disconnected.

    7. Object Number: 891980 Size: SH
  7. Remove the shock assembly to trailing arm bolt. Discard the bolt.

    8. Object Number: 891515 Size: SH
  8. Remove the stabilizer link to trailing arm bolt.

    9. Object Number: 891547 Size: SH
  9. Loosen the upper and lower control arm to trailing arm bolts.

    10. Object Number: 891553 Size: SH
  10. Remove the trailing arm to body bolts. Discard the bolts.
  11. Remove the upper and lower control arm to trailing arm bolts and nuts. Discard the bolts and nuts.
  12. Remove the trailing arm from the vehicle.

    13. Object Number: 891561 Size: SH
  13. Place the control arm in a suitable vise.
  14. Remove the trailing arm bracket bolt and nut. Discard the bolt and nut.
  15. Remove the trailing arm from the trailing arm bracket.

Installation Procedure

    Object Number: 891561 Size: SH
  1. Install the trailing arm in the trailing arm bracket.

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

  2. Install a new trailing arm bracket bolt and nut.

    3. Tighten
    Tighten the bolt and nut to 90 N·m (66 lb ft).

  3. Position the trailing arm into the vehicle.

    4. Object Number: 891553 Size: SH
  4. Install new trailing arm to body bolts. Hand tighten only.

    5. Object Number: 891513 Size: SH
  5. Using new nuts and bolts connect the upper and lower control arms to the trailing arm. Hand tighten only.
  6. Tighten the trailing arm bracket to body bolts.

    7. Tighten
    Tighten the bolts to 90 N·m (66 lb ft).

  7. Tighten the upper and lower control arm bolts.

    8. Tighten
    Tighten the nuts and bolts to 90 N·m (66 lb ft).


    Object Number: 891980 Size: SH
  8. Install the shock assembly to the trailing arm.

    9. Tighten
    Tighten the bolt to 150 N·m (110 lb ft).


    Object Number: 891515 Size: SH
  9. Connect the stabilizer link to the trailing arm.

    10. Tighten
    Tighten the bolt to 55 N·m (41 lb ft).

  10. If equipped with drum brakes, install the rear brake backing plate.

    11. Tighten
    Tighten the bolt to 50 N·m (37 lb ft) plus an additional 30 to 45 degrees.


    Object Number: 898140 Size: SH
  11. Install the wheel bearing/hub assembly and brake components. Refer to Rear Wheel Bearing and Hub Replacement .
  12. Install the brake cable support to the parking brake cable.

    13. Object Number: 891533 Size: SH
  13. Install the parking brake cable bracket to the trailing arm.

    14. Tighten
    Tighten the bolt to 8 N·m (71 lb in).


    Object Number: 891528 Size: SH
  14. Install the brake line bracket to the trailing arm.

    15. Tighten
    Tighten the bolt to 8 N·m (71 lb in).

  15. Install the tire and wheel. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  16. Lower the vehicle.
  17. Inspect for an alignment. Refer to Wheel Alignment Measurement in Wheel Alignment.