INSTALLATION
3.7L
The water pump on 3.7L engines is bolted directly to the engine timing chain case cover.
1. Clean gasket mating surfaces.
2. Using a new gasket, position water pump and install mounting bolts. 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. Relax tension from belt tensioner. Install drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
CAUTION: When installing the serpentine accessory drive belt, belt must be routed correctly (1-8). If not, engine may overheat due to water pump rotating in wrong direction. If necessary, refer to the Belt Routing Label located in the engine compartment. The correct belt with correct length must be used.
6. Be sure the upper and lower portions of the fan shroud are firmly connected. All air must flow through the radiator.
7. Install two fan shroud-to-radiator screws.
8. Be sure of at least 25 mm (1.0 inches) between tips of fan blades and fan shroud.
9. Fill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
10. Connect negative battery cable.
11. Start and warm the engine. Check for leaks.
4.7L
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 58 N·m (43 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 (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
CAUTION: When installing the serpentine accessory drive belt, belt must be routed correctly. If not, engine may overheat due to water pump rotating in wrong direction.
6. Refill cooling system (Refer to 7 - COOLING - STANDARD PROCEDURE).
7. Connect negative battery cable.
8. Start and warm the engine. Check for leaks.
5.7L
1. Install water pump and mounting bolts. Tighten moubting bolts to 24 N·m (18 ft. lbs.).
2. Install heater hoses.
3. Install upper and lower radiator hoses.
4. Install belt tensioner assembly.
5. Install idler pulleys.
6. Install A/C compressor and alternator brace. Tighten bolt and nuts to 28 N·m (21 ft. lbs.).
7. Install fan shroud assembly.
8. Connect washer bottle wiring and hose.
9. Install coolant fill bottle.
10. Install fan clutch assembly.
11. Install serpentine belt.
12. Connect negative battery cable.
13. Fill coolant.
14. Pressure test coolant system
3.0L DIESEL
1. Clean all sealing surfaces.
2. Position and install water pump. Tighten M6 bolts to 14 N·m (124 lbs. in.) and M8 bolts to 20 N·m (177 lbs. in.).
3. Install idler pulley. Tighten bolt to 35 N·m (26 lbs. ft.).
4. Install coolant hoses.
5. Install accessory drive belt (Refer to 7 - COOLING/ACCESSORY DRIVE/DRIVE BELTS - INSTALLATION).
6. Close coolant drain.
7. Install engine cover (Refer to 9 - ENGINE - INSTALLATION).
8. Connect negative battery cable.
9. Fill coolant system to proper level with the appropriate coolant mixture (Refer to 7 - COOLING/ENGINE/COOLANT - STANDARD PROCEDURE).
WARNING: Use extreme caution when engine is operating. Do not put your hands near pulleys, belts or fan. Do not wear loose clothes.
10. Start engine and inspect for leaks.