REMOVAL & INSTALLATION
See Figures 1, 2, 3, 4, 5, 6, 7 and 8
- Disconnect the negative battery cable.
- Drain and recycle the engine coolant.
- Loosen the four water pump pulley retaining bolts while the accessory drive belts are still tight.
- Rotate the automatic tensioner down and to the left.
- Remove the accessory drive belt.
- Remove the two nuts and bolt retaining the drive belt automatic tensioner to the engine, then remove the tensioner.
- Disconnect and remove the lower radiator and heater hose from the water pump.
- Remove the eleven water pump-to-engine retaining bolts, then lift the water pump and pulley up and out of the vehicle.
- Remove the water pump pulley retaining bolts, then remove the pulley from the water pump.
Be careful not to gouge the aluminum surfaces when scraping the old gasket material from the mating surfaces of the water pump and front cover.
- Clean the gasket surfaces on the water pump and front cover. Lightly oil all bolt and stud threads except those requiring special sealant.
- Position a new water pump housing gasket on the water pump sealing surface using gasket sealant to hold the gasket in place.
- With the water pump pulley and retaining bolts loosely installed on the water pump, align the water pump-to-engine front cover, then install the retaining bolts.
Tighten the bolts to the following specifications:
- Bolt numbers 1-10: 15-22 ft. lbs. (20-30 Nm).
- Bolt numbers 11-15: 71-106 inch lbs (8-12 Nm).
- Hand-tighten the water pump pulley retaining bolts.
- Install the automatic belt tensioner assembly. Tighten the two retaining nuts and bolt to 35 ft. lbs. (47 Nm).
- Install the alternator and power steering belts. Final tighten the water pump pulley retaining bolts to 15-22 ft. lbs. (22-30 Nm).
- Position the hose clamps between the alignment marks on both ends of the hose, then slide the hose on the connection. Tighten the hose clamps to 20-30 inch lbs. (2.2-3.4 Nm).
- Fill and bleed the cooling system.
- Connect the negative battery cable.
- Start the engine and check for leaks.
See Figure 9
- Disconnect the