Removal Procedure
- Raise the vehicle. Refer to JACKING AND LIFTING - AVALANCHE in General Information.
- Support the transmission with a transmission jack.
- Remove the nut retaining the transmission mount to the transmission support.
- Raise the rear of the transmission.
- Remove the bolts and the nuts retaining the transmission support to the frame. (15 series)
- Remove the bolts and the nuts retaining the transmission support to the frame. (25/35 series)
- Remove the transmission support from the frame.