Disconnect the negative battery cable. Allow the engine to cool.
Remove the radiator cap and drain the cooling system.
Loosen four retaining bolts securing the water pump pulley to the water pump hub.
Remove the accessory drive belts.
Remove the automatic belt tensioner.
Disconnect and remove the heater hose from the water pump.
Remove the engine control sensor wiring from the locating stud bolt, if equipped.
Remove the water pump-to-engine retaining bolts and lift the water pump and pulley up and out of the vehicle.
Clean the gasket surfaces on the water pump and engine front cover. Install a new gasket on the water pump using gasket adhesive.
Place the water pump in position on the engine with the pulley and four retaining bolts loosely installed on the hub.
Apply pipe sealant to bolt No. 3. Refer to the accompanying illustration for bolt location.
Install the bolts in the water pump housing.
Tighten bolts Nos. 4, 5, 6, 7, 8, 9 and 10to 15-22 ft. Lbs. (20-30 Nm). Tighten bolts Nos. 11, 12, 13, 14 and 15 to 71-106 inch lbs. (8-12 Nm).
The bolts are of different lengths and must be installed in the correct locations.
If equipped, attach the engine control sensor wiring to the locating stud bolt.
Hand-tighten the water pump pulley retaining bolts.
Install the accessory drive belts.
Tighten the water pump pulley bolts to 15-22 ft. Lbs. (20-30 Nm).
Connect the heater hose to the water pump.
Fill the cooling system. Connect the negative battery cable.
Start the engine and allow it to reach normal operating temperature. Check for leaks and proper operation.
Monday, February 16th, 2009 AT 7:13 PM