Sierra Classic 3500 2WD V8-66L DSL Turbo Frame Cross-Member Repair
1. Install the engine crossmember.
2. Perform the following procedure before installing the bolts.
1. Remove all traces of the original adhesive patch.
2. Clean the threads of the bolt with denatured alcohol or equivalent and allow to dry.
3. Apply threadlocker GM P/N 12345493 (Canadian P/N 10953488).
Notice: Refer to Fastener Notice .
3. Install the engine crossmember bolts.
Tighten the engine crossmember bolts to 120 N.m (88 lb ft).
4. Lower the vehicle.
Engine Front Crossmember Replacement (4WD)