Automatic Transmission -Allison

Transmission Mount Replacement
Removal Procedure





1. Raise and suitably support the vehicle. Refer to Vehicle Lifting.
2. Support the transmission with a transmission jack.
3. Remove the two nuts securing the transmission mount to the transmission support.





4. Raise the transmission off of the transmission support.
5. Remove the bolts (1). Raise the transmission just enough to remove the transmission mount from the vehicle.

Installation Procedure





1. Install the transmission mount to the vehicle.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the bolts (1) that retain the transmission mount to the transmission (2WD), or transfer case adapter (4WD).
^ For vehicles equipped with 4WD, tighten the bolts to 47 Nm (35 ft. lbs.).
^ For vehicles equipped with 2WD, tighten the bolts to 50 Nm (37 ft. lbs.).





3. Lower the transmission and install the two nuts securing the transmission mount to the transmission support.
^ Tighten the nuts to 40 Nm (30 ft. lbs.).
4. Remove the transmission jack.
5. Lower the vehicle.