INSTALLATION
3.7L ENGINE
The water pump (1) on 3.7L engines is bolted directly to the engine timing chain case cover (2).
1. Clean gasket mating surfaces.
2. Using a new gasket, position water pump and install mounting bolts as shown. . Tighten water pump mounting bolts to 54 N·m (40 ft. lbs.) torque.
3. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
4. Connect radiator lower hose to water pump.
5. Install accessory drive belt (2) (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
6. Position upper fan shroud and fan blade/viscous fan drive assembly.
7. Be sure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
8. Install two fan shroud-to-radiator screws.
9. Be sure of at least 25 mm (1.0 inches) between tips of fan blades and fan shroud.
10. Install fan blade/viscous fan drive assembly to water pump shaft (Refer to 7 - COOLING/ENGINE/FAN DRIVE VISCOUS CLUTCH - INSTALLATION).
11. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
12. Connect negative battery cable.
13. Start and warm the engine. Check for leaks.
2.8L DIESEL ENGINE
1. Clean mating surfaces of water pump housing and engine block as necessary.
2. Place new O-ring in groove in water pump housing. Install water pump and retaining bolts. Torque bolts to 24 N·m (212 in. lbs.)..
3. Install both inner and outer timing belt covers (Refer to 9 - ENGINE/VALVE TIMING/TIMING BELT / CHAIN COVER(S) - INSTALLATION).
4. Refill cooling system (Refer to 7 - COOLING/ENGINE/COOLANT - STANDARD PROCEDURE).
5. Connect negative battery cable.