GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2006 🢒 GMC Sierra Denali 🢒 Transmission/Transaxle 🢒 Manual Transmission - NV 3500 🢒 Transmission Support Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Support the transmission with a transmission jack.

    3. Object Number: 647997 Size: SH
  3. Remove the nut retaining the transmission mount to the transmission support.
  4. Raise the rear of the transmission.

    5. Object Number: 702036 Size: SH
  5. Remove the bolts and the nuts retaining the transmission support to the frame. (15 series)

    6. Object Number: 652595 Size: SH
  6. Remove the bolts and the nuts retaining the transmission support to the frame. (25/35 series)
  7. Remove the transmission support from the frame.

Installation Procedure

    Object Number: 702036 Size: SH
  1. Install the transmission support to the frame. (15 series)

    2. Object Number: 652595 Size: SH
  2. Install the transmission support to the frame. (25/35 series)

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

  3. Install the bolts and the nuts in order to retain the transmission support to the frame.

    4. Tighten
    Tighten the nuts to 95 N·m (70 lb ft).

  4. Lower the rear of the transmission.

    5. Object Number: 647997 Size: SH
  5. Install the transmission mount to the transmission support.
  6. Install the nuts in order to retain the transmission mount to the transmission support.

    7. Tighten
    Tighten the nuts to 54 N·m (40 lb ft).

  7. Remove the transmission jack.
  8. Lower the vehicle.