Colorado 2WD V8-5.3L (2009)
Water Pump: Service and Repair
Water Pump Replacement (With LH8) (5.3L)
Removal Procedure
1. Remove the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement (See: Tune-up and Engine Performance Checks/Air
Cleaner Housing/Air Cleaner Fresh Air Duct/Hose/Service and Repair).
2. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (See: Cooling System/Service and Repair)Cooling System
Draining and Filling (Vac N Fill) (See: Cooling System/Service and Repair).
3. Reposition the radiator vent inlet hose clamp (1) at the coolant air bleed pipe fitting.
4. Remove the radiator vent inlet hose (2) from the coolant air bleed pipe fitting.
5. Reposition the radiator inlet hose clamp (3) at the water pump.
6. Remove the radiator inlet hose from the water pump.
7. Reposition the radiator inlet hose and vent inlet hose out of the way.
