Sierra 3500 4WD V8-6.6L DSL Turbo VIN 2 (2004)
Turbocharger Air Intake Tube: Service and Repair
AIR INTAKE PIPE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the intake manifold cover.
2. Remove the air cleaner outlet duct.
3. Remove the positive crankcase ventilation (PCV) hose/pipe.
4. Disconnect the turbocharger electrical connector. Lift the metal retainer, in order to disconnect.
5. Remove the engine wire harness clamp bolt and reposition.
IMPORTANT: The clamp for the air intake pipe uses reverse threads.
6. Loosen the air intake pipe to turbocharger clamp (1).
7. Remove the air intake pipe (2) from the turbocharger.
INSTALLATION PROCEDURE
1. Clean the mating surfaces on the air intake pipe (2) and the turbocharger.
2. Align the air intake pipe (2) to the turbocharger.
NOTE: Refer to Fastener Notice in Service Precautions.
IMPORTANT: The clamp for the air intake pipe uses reverse threads.
3. Tighten the air intake pipe to turbocharger clamp (1).
Tighten
Tighten the clamp to 4.6 N.m (41 lb in).
4. Install the engine wire harness clamp bolt.