Impala V6-3.5L (2008)
Water Pump: Service and Repair
Coolant Pump Manifold Replacement
Coolant Pump Manifold Replacement
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (9C1, 9C3 Static Fill) (See: Service and Repair)Cooling System Draining
and Filling (LZE, LZ4, LZG, 9C1, 9C3, GE47716 Fill) (See: Service and Repair)Cooling System Draining and Filling (LZE, LZ4, LZG, Static
Fill) (See: Service and Repair) .
2. Loosen the water pump bolts (318).
3. Remove the drive belt. Refer to Drive Belt Replacement - Accessory () .
4. Remove fluid from the power steering pump reservoir.
5. Remove the power steering pump pulley. Refer to Power Steering Pump Pulley Replacement (LZ4/LZE/LZ9) Power Steering Pump Pulley
Replacement (LS4) .
6. Disconnect the power steering hoses and pipes from the power steering pump and reservoir. Refer to Power Steering Cooler Pipe/Hose
Replacement (3.5L and 3.9L) Power Steering Cooler Pipe/Hose Replacement (LS4) and Power Steering Pressure Pipe/Hose Replacement
(LZ4/LZE/LZ9) Power Steering Pressure Pipe/Hose Replacement (LS4) .
7. Remove the bolt that retains a clip that retains the pressure pipe to the front of the engine.
8. Remove the water pump bolts (318).
9. Remove the water pump (300) and gasket (314). Discard the gasket.
10. Remove the camshaft position sensor. Refer to Camshaft Position Sensor Replacement .
11. Unclip the wiring harness from the front of the engine.
12. Disconnect the engine coolant air bleed pipe hoses and clamps. Refer to Engine Coolant Air Bleed Hose Replacement (LS4) (See: Coolant
Line/Hose/Service and Repair) .
13. Remove the three coolant pump manifold to cylinder head bolts.
