GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Sunfire 🢒 Transmission/Transaxle 🢒 Automatic Transaxle - 4T40-E/4T45-E 🢒 Transmission Rear Mount Replacement

Removal Procedure
  1. Remove the front suspension support. Refer to Front Suspension Crossmember Replacement in Front Suspension.

    2. Object Number: 479446 Size: SH
  2. Remove the rear transmission mount thru bolt.
  3. Remove the mount bolt.

Installation Procedure

    Object Number: 479446 Size: SH
  1. Position and install the mount.

    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 thru bolt.

    3. Tighten
    Tighten the thru bolt to 120 N·m (89 lb ft).

  3. Install the suspension support. Refer to Front Suspension Crossmember Replacement in Front Suspension.