GM Service Manual Online
For 1990-2009 cars only

Trailing Arm Replacement Sedan/Coupe

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .

  3. Object Number: 1835178  Size: SH
  4. Remove the 4 trailing arm bracket to body bolts.
  5. Remove the rear parking brake cable routing bolt from the trailing arm.

  6. Object Number: 1835186  Size: SH
  7. Remove the 3 trailing arm to knuckle through bolts (1).
  8. Lower the trailing arm to gain access to the trailing arm to bracket bolt and nut.

  9. Object Number: 1835203  Size: SH
  10. Remove the trailing arm to bracket bolt and nut.
  11. Separate the trailing arm from the bracket and remove the trailing arm from the vehicle.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1835203  Size: SH
  1. Position the the trailing arm to the bracket, install the bolt and nut.
  2. Tighten
    Tighten the trailing arm to bracket through bolt and nut to 60 N·m (44 lb ft) plus 60 degrees.

  3. Position the trailing arm to the vehicle.

  4. Object Number: 1835186  Size: SH
  5. Install the 3 trailing arm to knuckle bolts (1).
  6. Tighten
    Tighten the 3 trailing arm to knuckle bolts to 180 N·m (133 lb ft).

  7. Install the rear parking brake cable routing bolt to the trailing arm.
  8. Tighten
    Tighten the routing bolt to 10 N·m (89 lb in).


    Object Number: 1835178  Size: SH
  9. Install the trailing arm bracket to body bolts.
  10. Tighten
    Tighten the bracket to body bolts to 90 N·m (66 lb ft) plus 30 degrees plus an additional 15 degrees.

  11. Install the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  12. Lower the vehicle.

Trailing Arm Replacement Convertible

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  3. Remove the rear frame brace. Refer to Frame Brace Replacement.
  4. Remove the rear axle tie rod bracket brace. Refer to Rear Axle Tie Rod Bracket Brace Replacement.

  5. Object Number: 1838183  Size: SH
  6. Remove the 2 trailing arm bracket to body bolts.
  7. Remove the rear parking brake cable routing bolt from the trailing arm.

  8. Object Number: 1835186  Size: SH
  9. Remove the 3 trailing arm to knuckle through bolts (1).
  10. Lower the trailing arm to gain access to the trailing arm to bracket bolt and nut.

  11. Object Number: 1835203  Size: SH
  12. Remove the trailing arm to bracket bolt and nut.
  13. Separate the trailing arm from the bracket and remove the trailing arm from the vehicle.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1835203  Size: SH
  1. Position the trailing arm to the bracket, install the bolt and nut.
  2. Tighten
    Tighten the trailing arm to bracket through bolt and nut to 60 N·m (44 lb ft) plus 60 degrees.

  3. Position the trailing arm to the vehicle.

  4. Object Number: 1835186  Size: SH
  5. Install the 3 trailing arm to knuckle bolts (1).
  6. Tighten
    Tighten the 3 trailing arm to knuckle bolts to 180 N·m (133 lb ft).

  7. Install the rear parking brake cable routing bolt to the trailing arm.
  8. Tighten
    Tighten the routing bolt to 10 N·m (89 lb in).


    Object Number: 1838183  Size: SH
  9. Install the 2 trailing arm bracket to body bolts.
  10. Tighten
    Tighten the bracket to body bolts to 90 N·m (66 lb ft) plus 30 degrees plus an additional 15 degrees.

  11. Install the rear axle tie rod bracket brace. Refer to Rear Axle Tie Rod Bracket Brace Replacement.
  12. Install the rear frame brace. Refer to Frame Brace Replacement.
  13. Install the rear tire and wheel assembly. Refer to Tire and Wheel Removal and Installation .
  14. Lower the vehicle.