- Install the transmission mount (2) and bracket (1) to the vehicle.
Notice: Refer to Fastener Notice in the Preface section.
- Install the transmission mount bracket bolt (3).
Tighten
Tighten the bolt to 90 N·m (66 lb ft)
- Install the transmission mount bracket bolt (1).
Tighten
Tighten the bolt to 60 N·m (44 lb ft)
- Using the transmission jack, lower the transmission until the transmission mount bracket rests on the transmission mount.
- Install the transmission mount bracket bolt (2).
Tighten
Tighten the bolt to 90 N·m (66 lb ft)
- Remove the transmission jack.
Important: The transmission mount nuts must be replaced once removed. When the nut has to be loosened or removed, threadlocker must be used in addition to using a new nut. Allow adhesive on new transmission mount nuts to cure for
24 hours after replacement.
- Apply threadlocker GM P/N 12345382 (Canadian P/N 10953489) to the transmission mount threads.
- Install the transmission mount nut (2).
Tighten
Tighten the nut to 75 N·m (55 lb ft)
- Install the transmission mount nut (1).
Tighten
Tighten the nut to 60 N·m (44 lb ft)
- Connect the transmission mount vacuum hose if the vehicle is equipped with the active mount control system.
- Install the left engine splash shield. Refer to
Engine Splash Shield Replacement
.
- Lower the vehicle