GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the battery tray. Refer to Battery Tray Replacement .
  2. Disconnect the oxygen sensor connector.
  3. Remove the transmission oil level indicator tube. Refer to Transmission Oil Level Indicator Tube Replacement .
  4. Remove the starter motor. Refer to Starter Motor Replacement .

  5. Object Number: 1239273  Size: SH
  6. Remove the transmission mount-to-frame bolts.

  7. Object Number: 1239268  Size: SH
  8. Remove the transmission mount bracket-to-transmission bolts.
  9. Remove the transmission mount/bracket assembly from the vehicle.

  10. Object Number: 1260818  Size: SH
  11. Remove the transmission mount bracket top nut.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1260818  Size: SH
  1. Install the front transmission mount bracket top nut.
  2. Tighten
    Tighten the nut to 90 N·m (64 lb ft).

  3. Install the transmission mount/mount bracket .

  4. Object Number: 1239268  Size: SH
  5. Install the transmission mount bracket-to-transmission bolts.
  6. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 1239273  Size: SH
  7. Install the transmission mount-to-frame bolts.
  8. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

  9. Install the starter motor. Refer to Starter Motor Replacement .
  10. Install the transmission oil level indicator tube. Refer to Transmission Oil Level Indicator Tube Replacement .
  11. Reconnect the oxygen sensor connector.
  12. Install the battery tray. Refer to Battery Tray Replacement .