Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
Valve Cover: Service and Repair
Upper Left
Valve Rocker Arm Cover Replacement - Upper Left
Removal Procedure
1. Remove the intake manifold cover.
2. Drain the cooling system.
3. Disconnect the negative battery cable.
4. Important: After removing the charged air cooler duct, cover the turbocharger opening with tape in order to prevent entry of objects.
Loosen the charged air cooler inlet duct connector to turbocharger clamp (1).
5. Important: Do not use a screwdriver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.
Remove the charged air cooler inlet duct connector (4) from the turbocharger.
