GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 General Information 🢒 Vibration Diagnosis and Correction 🢒 Transmission Support Replacement

Removal Procedure
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Support the transmission using a transmission jack.

    3. Object Number: 208583 Size: SH
  3. Remove the transmission mount nut.

    4. Object Number: 208587 Size: SH
  4. Remove the transmission support bolts.
  5. Remove the transmission support.

Installation Procedure

    Object Number: 208587 Size: SH
  1. Install the transmission support.

    2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  2. Install the transmission support bolts.

    3. Tighten
    Tighten the transmission support bolts to 90 N·m (66 lb ft).


    Object Number: 208583 Size: SH
  3. Install the transmission mount nut.

    4. Tighten
    Tighten the transmission mount nut to 57 N·m (42 lb ft).

  4. Remove the transmission support jack.
  5. Lower the vehicle.