Sierra Classic 2500 4WD V8-6.0L (2007)
Water Pump: Service and Repair
Water Pump Replacement
Water Pump Replacement (4.8L, 5.3L, and 6.0L)
Removal Procedure
1. Drain the cooling system. Refer to Draining and Filling Cooling System (Static Fill) Draining and Filling Cooling System (w/RPO HP2) Draining
and Filling Cooling System (Vac-N-Fill).
2. Loosen the air cleaner outlet duct clamps at the following locations:
^
Throttle body
^
Mass airflow/intake air temperature (MAF/IAT) sensor
3. Remove the radiator inlet hose clip from the outlet duct.
4. Remove the air cleaner outlet duct.
5. If necessary, remove the engine sight shield. Refer to Upper Intake Manifold Sight Shield Replacement (4.8L, 5.3L, and 6.0L (RPO LQ4)) Upper
Intake Manifold Sight Shield Replacement (6.0L (RPO LQ9)).
6. Remove the radiator vent inlet hose from the radiator hose clips.
7. Reposition the inlet hose clamp at the water pump.
8. Remove the inlet hose from the water pump.
9. If necessary, remove the fan blade. Refer to Fan Replacement (Diesel) Fan Replacement (Mechanical).
10. Remove the accessory drive belt.
