Water Pump: Service and Repair

Water Pump Replacement (LH2 - 8 CYL, 4.6L, DOHC, HO)

Removal Procedure

1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair) .
2. Remove the drive belt. Refer to Drive Belt Replacement (Drive Belt Replacement) .
3. Remove the drive belt tensioner. Refer to Drive Belt Tensioner Replacement (Drive Belt Tensioner Replacement) .
4. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716) (Service and Repair) .
5. Remove the water pump bolts.




6. Remove the water pump pulley from the water pump.
7. Remove the water pump from the engine front cover.
8. Remove the water pump gasket and discard.
9. Clean and inspect the water pump. Refer to Water Pump Cleaning and Inspection (Overhaul) .



Installation Procedure

1. Install the water pump pulley to the water pump.




2. Install the water pump and gaskets to the engine front cover.

Notice: Refer to Fastener Notice (Fastener Notice) .

3. Install the water pump pulley bolts to the water pump.

Tighten the water pump pulley bolts to 10 N.m (89 lb in).

4. Install the water pump bolts.

1. Tighten the water pump bolts a first pass to 15 N.m (11 lb ft).
2. Tighten the water pump bolts a final pass to 30 N.m (22 lb ft).


5. Install the drive belt tensioner. Refer to Drive Belt Tensioner Replacement (Drive Belt Tensioner Replacement) .
6. Install the drive belt. Refer to Drive Belt Replacement (Drive Belt Replacement) .
7. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) (Service and Repair)Cooling System Draining and Filling (GE 47716) (Service and Repair) .
8. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement (Service and Repair) .