Commander 4WD V6-3.7L VIN K (2007)
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 Nm (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.
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.
10. Connect negative battery cable.
11. Start and warm the engine. Check for leaks.
