GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2008 🢒 SLS 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 6L50/6L80/6L90 🢒 Transmission Mount Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the exhaust system. Refer to Exhaust System Replacement .
  3. Support the transmission with a suitable jack and a block of wood.

    4. Object Number: 1649726 Size: SH
  4. Remove the transmission vent hose from the retainers on the mount assembly.
  5. Remove the transmission mount support to body mounting bolts.
  6. Remove the transmission mount support to transmission mounting bolts.
  7. Remove the transmission mount support assembly from the vehicle.

Installation Procedure
  1. Install the transmission mount support assembly to the vehicle.

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


    Object Number: 1649726 Size: SH
  2. Install the transmission mount support to transmission mounting bolts.

    3. Tighten
    Tighten the bolts to 63 N·m (46 lb fl)

  3. Install the transmission mount support to body mounting bolts.

    4. Tighten
    Tighten the bolts to 58 N·m (43 lb ft).

  4. Install the transmission vent hose to the retainers on the mount assembly.
  5. Remove the transmission jack.
  6. Install the exhaust system.
  7. Lower the vehicle.