GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2002 🢒 Montana 🢒 General Information 🢒 General Information 🢒 Crossmember Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the tire and the wheel. Refer to Tire and Wheel Removal and Installation .
  3. Inspect the ball joints. Refer to Ball Joint Inspection .
  4. Support rear differential carrier using utility stand.

    5. Object Number: 690531 Size: SH
  5. Remove the rear differential carrier mounting bolts (5) from the rear crossmember. Refer to Differential Replacement .
  6. Remove the rear suspension knuckle. Refer to Knuckle Replacement .
  7. Disconnect the wheel speed sensor harness from the lower control arm and from the rear cross member.
  8. Remove the rivets that attach the park brake cable to the rear crossmember.
  9. Using a utility jack, support the rear crossmember.
  10. Remove the rear crossmember mounting bolts.

    11. Object Number: 771995 Size: SH
  11. Lower the rear crossmember.
  12. Remove the rear stabilizer shaft. Refer to Stabilizer Shaft Replacement .
  13. Remove the rear axle upper control arms from the rear crossmember. Refer to Rear Axle Upper Control Arm Replacement .
  14. Remove the rear axle lower control arms from the rear crossmember. Refer to Rear Axle Lower Control Arm Replacement .
  15. Remove the tie rods from the rear crossmember. Refer to Tie Rod Replacement .

Installation Procedure
  1. Install the tie rods to the crossmember. Refer to Tie Rod Replacement .
  2. Install the rear axle lower control arms onto the rear crossmember. Refer to Rear Axle Lower Control Arm Replacement .
  3. Install the rear axle upper control arms onto the rear crossmember. Refer to Rear Axle Upper Control Arm Replacement .
  4. Install the rear stabilizer shaft onto the rear crossmember. Refer to Stabilizer Shaft Replacement .

    5. Object Number: 1594412 Size: SH
  5. Raise the rear crossmember.
  6. Install the rear crossmember mounting bolts.
  7. Align the rear crossmember using guide pins through the rail holes (1).

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

  8. Tighten the rear crossmember mounting bolts.

    9. Tighten
    Tighten the bolts to 130 N·m (96 lb ft) .


    Object Number: 690531 Size: SH
  9. Install the rear differential carrier mounting bolts (5). Refer to Differential Replacement . Refer to Differential Carrier Assembly Mount Replacement
  10. Attach the parking brake cable onto the rear crossmember.
  11. Connect the wheel speed sensor harness onto the rear crossmember and the lower control arm.
  12. Install the rear suspension knuckle. Refer to Knuckle Replacement .
  13. Install the tire and the wheel. Refer to Tire and Wheel Removal and Installation .
  14. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .