Water Pump Replacement (V6)

Water Pump Replacement (V6)

Special Tools

J 41240 - Fan Clutch Remover and Installer

Removal Procedure

1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

2. Remove the air cleaner outlet resonator duct. Refer to Air Cleaner Outlet Resonator Replacement .

3. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (Vac N Fill) Cooling System Draining and Filling (Vac N Fill)Cooling System Draining and Filling (Static Fill Diesel) Cooling System Draining and Filling (Static Fill Diesel).

4. Remove the cooling fan.

5. Remove the drive belt. Refer to Drive Belt Replacement .





6. Reposition the radiator outlet hose clamps at the surge tank and water pump.

7. Remove the radiator outlet hose from the surge tank.

8. Remove the radiator outlet hose from the water pump.





9. Reposition the water pump inlet hose clamps.

10. Remove the water pump inlet hose.





11. Using J 41240 - fan clutch remover and installer to hold the water pump pulley, remove the water pump pulley bolts.





12. Remove the water pump bolts.

13. Remove the water pump.

14. Remove and discard the water pump gaskets.

15. Clean and inspect the water pump, if necessary. Refer to Water Pump Cleaning and Inspection Water Pump Cleaning and Inspection.

Installation Procedure





1. If reusing the fasteners, apply sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent to the threads of the water pump bolts.

2. Install NEW water pump gaskets and the water pump.

Caution:
Refer to Fastener Caution Fastener Caution.

3. Install the water pump bolts and tighten to 45 Nm (33 lb ft).





4. Using J 41240 - fan clutch remover and installer to hold the water pump pulley, install the water pump pulley bolts and tighten to 25 Nm (18 lb ft).





Note:
After assembly, the hose clamp tangs (water pump end) must point forward and the upper tang should be level with the outside diameter of the water pump inlet hose.

5. Install the water pump inlet hose.

6. Position the water pump inlet hose clamps.





7. Install the radiator outlet hose to the water pump.

8. Install the radiator outlet hose to the surge tank.

9. Position the radiator outlet hose clamps at the surge tank and water pump.

10. Install the drive belt. Refer to Drive Belt Replacement .

11. Install the cooling fan.

12. Install the air cleaner outlet resonator duct. Refer to Air Cleaner Outlet Resonator Replacement .

13. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement Service and Repair.

14. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Static Fill)Cooling System Draining and Filling (Vac N Fill) Cooling System Draining and Filling (Vac N Fill)Cooling System Draining and Filling (Static Fill Diesel) Cooling System Draining and Filling (Static Fill Diesel).

15. Inspect the cooling system for leaks.