GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Cobalt 🢒 General Information 🢒 General Information 🢒 Transmission Rear Mount Replacement

Removal Procedure
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .

    2. Object Number: 851620 Size: SH
  2. Remove the rear transaxle mount thru bolt and heat shield.

    3. Object Number: 851572 Size: SH
  3. Remove the rear transaxle mount to frame bolts.
  4. Remove the rear transaxle mount.

Installation Procedure

    Object Number: 851572 Size: SH
  1. Install the rear transaxle mount to frame bolts. Hand tighten the bolts.

    2. Object Number: 851620 Size: SH
  2. Install the rear transaxle mount, heat shield and the thru bolt to the transmission bracket. Hand tighten the bolt.

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


    Object Number: 851572 Size: SH
  3. Tighten the rear transaxle mount to frame bolts.

    4. Tighten
    Tighten the bolts to 60 N·m (44 lb ft).

    Important: 

       • Rotate the rear transaxle mount heat shield clockwise until the tab is seated on the mount bracket.
       • The front and rear transmission mounts must be allowed to settle with the thru bolts loosened.


    Object Number: 1497621 Size: SH
  4. Loosen the front transaxle mount thru bolt but do not remove the bolt.

    5. Object Number: 851620 Size: SH
  5. Tighten the rear transmission mount thru bolt.

    6. Tighten
    Tighten the thru bolt to 100 N·m (74 lb ft).


    Object Number: 1497621 Size: SH
  6. Tighten the front transmission mount thru bolt.

    7. Tighten
    Tighten the thru bolt to 100 N·m (74 lb ft).

  7. Lower the vehicle.