C 3500 Truck 2WD V8-6.6L DSL Turbo VIN 1 (2002)
11. Disconnect the turbocharger coolant hose and clamp from the turbocharger bypass valve.
12. Disconnect the water outlet tube using the following procedure:
12.1. Remove the 2 bolts retaining the water outlet tube to the left valve rocker arm cover.
12.2. Remove the bolt retaining the water outlet tube to the thermostat housing.
12.3. Remove the water outlet tube.
12.4. Remove and discard the O-ring seal.
13. Disconnect the positive crankcase ventilation (PCV) hose from the upper valve rocker arm cover.
IMPORTANT: Do not use a screw driver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.