gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 5386 > < Transmission Mode Switch, A/T|Locations|Page 5381
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Transmission Mount: Service and Repair
4L60-E/4L65-E/4L70-E - Automatic Transmission

Transmission Mount Replacement

Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle   (See: Maintenance/Vehicle Lifting/Service and Repair).
2. Support the transmission with a transmission jack.
3. Remove the transmission support crossmember. Refer to Transmission Support Crossmember Replacement   (See: Body and

Frame/Frame/Cross-Member/Service and Repair).

4. Remove the transmission mount mounting bolts, for RWD vehicles.

5. Remove the transmission mount mounting bolts, for 4WD vehicles.
6. Remove the transmission mount from the vehicle.

Installation Procedure

1. Install the transmission mount to the vehicle.

Caution:  Refer to Fastener Caution   (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).

2. Install the transmission mount mounting bolts, for 4WD vehicles, and tighten to 50 Nm (37 lb ft).

4L60-E/4L65-E/4L70-E - Automatic Transmission|Page 5386 > < Transmission Mode Switch, A/T|Locations|Page 5381