Durango 4WD V8-5.9L VIN Z (1998)
Water Pump Bolts
16. Remove seven water pump mounting bolts.
17. Loosen clamp at water pump end of bypass hose. Slip bypass hose from water pump while removing pump from vehicle. Discard old gasket.
CAUTION: Do not pry water pump at timing chain case/cover. The machined surfaces may be damaged resulting in leaks.
INSTALLATION
1. Clean gasket mating surfaces.
2. Using a new gasket, install water pump to engine as follows: Guide water pump nipple into bypass hose as pump is being installed. Install water
pump bolts. Tighten water pump mounting bolts to 40 Nm (30 ft. lbs.) torque.
3. Position bypass hose clamp to bypass hose.
4. Spin water pump to be sure that pump impeller does not rub against timing chain case/cover.
5. Install a new O-ring to the heater hose coolant return tube. Coat the new O-ring with antifreeze before installation.
6. Install coolant return tube and its mounting bolt to engine. Be sure the slot in tube bracket is bottomed to mounting bolt. This will properly
position return tube.
7. Connect radiator lower hose to water pump.
8. Connect heater hose and hose clamp to coolant return tube.
9. Install water pump pulley. Tighten bolts to 27 Nm (20 ft. lbs.) torque. Place a bar or screwdriver between water pump pulley bolts to prevent
pulley from rotating.
10. Relax tension from belt tensioner. Install accessory drive belt.
Belt Routing
CAUTION: When installing the serpentine accessory drive belt, the belt must be routed correctly. If not' engine may overheat due to water pump
rotating in wrong direction. Refer to for correct belt routing. The correct belt with correct length must be used.
11. Position fan shroud and fan blade/viscous fan drive assembly to vehicle as a complete unit.
