Yukon XL 4WD V8-5.3L (2011)
Coolant Line/Hose: Service and Repair
Engine Coolant Air Bleed Pipe Replacement
Engine Coolant Air Bleed Pipe Replacement
Removal Procedure
1. If replacing the rear coolant air bleed covers, remove the intake manifold. Refer to Intake Manifold Replacement See: Engine/Intake
Manifold/Service and Repair/Intake Manifold Replacement. 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/Air Cleaner Resonator Outlet Duct Replacement.
3. Drain the cooling system. Refer to Cooling System Draining and Filling See: Service and Repair/Cooling System Draining and Filling.
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.
6. Remove the coolant air bleed pipe bolts (309) (intake manifold shown removed for clarity).
