Sierra 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
EGR Tube: Service and Repair
EXHAUST GAS RECIRCULATION (EGR) VALVE COOLER TUBE REPLACEMENT
REMOVAL PROCEDURE
1. Remove the intake manifold cover.
2. Remove the air cleaner outlet duct.
3. Loosen the charged air cooler outlet duct to intake hose clamp.
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.
4. Remove the charged air cooler outlet duct from the intake.
5. Drain the cooling system.
6. Remove the positive crankcase ventilation (PCV) hose/pipe.
7. If necessary, remove the tie strap from the electrical harness.
