Removal

CAUTION: When servicing the coolant system, it is essential that coolant does not drip onto the accessory drive belt and/or pulleys. Protect the belt with clean, dry shop towels before servicing the cooling system. If coolant contact belt or pulleys, flush them with clean water.

Fig. 1 Water Pump - Early:

REMOVAL
NOTE: If the water pump pulley is also being replaced (or reused), remove the pulley with the old water pump mounted to the engine and install the pulley with the replacement water pump mounted to the engine. Install the lower mounting bolt before installing the replacement pulley. The lower bolt cannot be installed with the pulley pressed onto the water pump shaft.

1. Disconnect battery negative cable from battery.
2. Loosen accessory drive belt. Refer to Accessory Drive Belt section of this group.
3. Drain cooling system. Refer to Draining Cooling System outlined in this section
4. Remove engine cover.

Fig. 2 Spark Plug Wire Retainer And Engine Front Damper Bracket - Early:

5. Remove spark plug wire retainer from top of thermostat housing.
6. Remove front damper mounting bracket nuts. Push bracket towards radiator but do not contact radiator fins.
7. Position accessory drive belt away from water pump.
8. Remove radiator upper and lower hoses from water pump.

Fig. 3 Radiator Hoses And Coolant Temperature Sensor - Early:

9. Disconnect coolant temperature sensor wire connector from harness.

Fig. 4 Cylinder Head And Y-tube Hoses:

10. Loosen clamps secure cylinder head to water pump hoses at cylinder heads. Do not remove the hoses at this time.
11. Loosen clamps securing heater hoses and Y-tube connecting hose at rear of water pump.

Fig. 5 Heater Tube Locking Sleeve:

12. Lightly tap heater tube locking sleeve out of elbow connector of the water pump.

Fig. 6 Water Pump Lower Mounting Bolt Removal/Installation:

13. Remove the water pump upper mounting bolts.
14. Using an open end wrench, remove water pump lower mounting bolt. Grasp the bottom of water pump pulley, pullout and up to remove water pump. If necessary, replace cylinder head hoses, coolant temperature sensor, thermostat and housing, and water pump pulley. If a new pump is installed, attach replacement hoses, thermostat and housing, coolant temperature sensor and water pump pulley to new water pump.