Cross-Member: Service and Repair

Transmission Support Replacement (4L60-E w/5.0L, 5.7L)

Removal Procedure

1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Support the transmission.




3. Remove the nut retaining the transmission mount to the transmission support.
4. Remove the bolts and the nuts retaining the transmission support to the frame.
5. Raise the rear of the transmission.
6. Remove the transmission support from the frame.



Installation Procedure





1. Install the transmission support to the frame.

Notice: Refer to Fastener Notice in Cautions and Notices.

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

Tighten the nuts to 68 N.m (50 lb ft).

3. Lower the rear of the transmission.
4. Install the transmission mount to the transmission support.
5. Install the nut in order to retain the transmission mount to the transmission support.

Tighten the nut to 50 N.m (37 lb ft).

6. Remove the safety stands.
7. Lower the vehicle.