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For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2007 🢒 Solstice 🢒 General Information 🢒 General Information 🢒 Differential Carrier Bracket Replacement

Object Number: 1770976 Size: MF

Callout

Component Name

Preliminary Procedure

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

1

Differential Mounting Bracket to Frame Bolt

Notice: Refer to Fastener Notice in the Preface section.

Tip

    • Use a jack stand to support the differential.
    • The bracket service part is supplied with a pre-installed dowel pin. Remove the pin if there is no corresponding hole in the axle housing bracket mounting surface.

Tighten
175 N·m (124 lb ft)

2

Differential to Mounting Bracket Bolt

Tighten

    • 250 N·m (184 lb ft) for mounting bracket with dowel pin
    • 350 N·m (258 lb ft) for mounting bracket without dowel pin

3

Differential Mounting Bracket

Removal Procedure

Important: Some portions of the frame and under body have been removed for the clarity of the location of the differential carrier bracket.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the floor panel tunnel rear panel. Refer to Floor Panel Tunnel Panel Replacement - Rear.

    3. Object Number: 1867644 Size: SH
  3. Support the rear differential carrier assembly with a suitable jack stand.

    4. Object Number: 1867593 Size: SH
  4. Remove the differential mounting bracket bolt (1) frame bracket.

    5. Important: The following service procedure is to allow for enough clearance to remove the differential mounting bracket.

  5. Loosen the 2 frame bracket bolts (2).

    6. Object Number: 1867596 Size: SH

    Important: DO NOT re-use the differential carrier bracket bolts. Discard and use NEW only.

  6. Remove the 4 differential carrier mounting bracket bolts (1).
  7. Remove the differential carrier mounting bracket (2).

Installation Procedure
  1. Remove any thread locker from the bolt holes in the differential carrier with brake clean or equivalent.

    2. Object Number: 1867596 Size: SH
  2. Position the differential carrier bracket (2) on the differential.
  3. Apply GM threadlocker P/N 89021297 (Canadian P/N 10953488) or equivalent to the NEW differential carrier bracket bolts (1).

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

  4. Install the 4 NEW differential carrier bracket bolts (1).

    5. Tighten
    Tighten the bracket bolts to 80 N·m (59 lb ft).


    Object Number: 1867593 Size: SH
  5. Hand tighten the differential frame bracket to differential carrier bolt (1).
  6. Install the 2 differential carrier bracket to frame bolts (2).

    7. Tighten
    Tighten the frame bracket bolts to 110 N·m plus 20 degrees.

  7. Tighten the differential carrier bracket bolt (1).

    8. Tighten
    Tighten the bracket bolts to 175 N·m (122 lb ft).


    Object Number: 1867644 Size: SH
  8. Remove the jack stand.
  9. Install the floor panel tunnel rear panel. Refer to Floor Panel Tunnel Panel Replacement - Rear.
  10. Remove the support and lower the vehicle.