Sierra 2500 Denali 2WD V8-6.0L (2011)
Coolant Line/Hose: Service and Repair
Engine Coolant Air Bleed Pipe Replacement (LY2, LY6)
Engine Coolant Air Bleed Pipe Replacement (LY2, LY6)
Removal Procedure
1. If replacing the rear coolant air bleed covers, remove the intake manifold. Refer to Intake Manifold Replacement (Without AFM) (See:
Engine/Intake Manifold/Service and Repair)Intake Manifold Replacement (With AFM) (See: Engine/Intake Manifold/Service and Repair).
Otherwise proceed to the next step.
2. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Engine/Tune-up and Engine Performance
Checks/Air Cleaner Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair).
3. Drain the cooling system. Refer to Cooling System Draining and Filling (Vac-N-Fill) (See: Service and Repair)Cooling System Draining and
Filling (Static Fill) (See: Service and Repair)Cooling System Draining and Filling (Static Fill LGH, LML) (See: Service and Repair).
4. Reposition the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
5. Remove the radiator vent inlet hose (2) from the coolant air bleed pipe fitting.