Sierra 3500 4WD V8-6.6L DSL Turbo (2007)
2. Install the upper intake manifold brace and bolts.
Tighten the bolts to 24 N.m (18 lb ft).
3. Connect the engine wiring harness electrical connector (2) to the intake air valve.
4. Install the charge air cooler outlet pipe.
5. Install the air cleaner assembly.
