GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2008 🢒 Cobalt 🢒 Engine 🢒 Engine Electrical 🢒 Transmission Mount Replacement - Left Side

Removal Procedure
  1. Remove the underhood electrical center bracket from the vehicle and reposition the electrical center. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .

    2. Object Number: 851552 Size: SH
  2. Support the transmission with a floor jack. Use a piece of wood between the jack and the transmission.

    3. Object Number: 1376169 Size: SH
  3. Remove the transmission mount-to-transmission bracket bolts.

    4. Object Number: 851557 Size: SH
  4. Remove the transmission mount to mid-rail bolts.

    5. Object Number: 851552 Size: SH
  5. Using a floor jack, slowly lower the transmission enough to remove the transmission mount from the vehicle.

Installation Procedure

    Object Number: 851557 Size: SH
  1. Install the transmission mount to the mid-rail.

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

  2. Install the transmission mount to mid-rail bolts.

    3. Tighten
    Tighten the bolts to 27 N·m (20 lb ft).


    Object Number: 851552 Size: SH
  3. Using a floor jack, raise the transmission until it contacts the transmission mount.

    4. Object Number: 1376169 Size: SH

    Important: The transmission mount to transmission bolts must be hand started. Do not pry the transmission or mount to align the holes.

  4. Hand start the transmission mount to bracket bolts using the following sequence:
    5. 4.1. Rear bolt
    4.2. Middle bolt
    4.3. Front bolt
  5. Using the previous sequence, tighten the transmission mount bolts.

    6. Tighten
    Tighten the bolts to 65 N·m (48 lb ft).

  6. Install the underhood electrical center bracket to the vehicle and install the electrical center into position on the bracket. Refer to Underhood Electrical Center or Junction Block Bracket Replacement .