Sierra Classic 3500 2WD V8-6.6L DSL Turbo (2007)
Intake Air Heater: Service and Repair
INTAKE AIR HEATER REPLACEMENT
REMOVAL PROCEDURE
1. Disconnect the negative battery cable.
2. Remove the intake manifold cover.
3. Remove the air cleaner outlet duct.
4. Remove the air cleaner assembly.
5. Remove the electrical harness bolts.
6. Reposition the harness clip from the intake manifold tube, as needed.
7. Remove the engine harness power lead nut (2) from the intake air heater stud.
8. Remove the engine harness power lead (1) from the intake air heater stud.