Commander 2WD V8-4.7L Flex Fuel (2009)
4. Remove the tape or plugs from the heater core tubes (4) and the heater core (6).
5. Lubricate new rubber O-ring seals with clean engine coolant and install them onto the heater core tube fittings. Use only the specified O-rings as
they are made of a special material for the engine cooling system.
6. Install the heater core tubes onto the heater core and loosely install the bolt (5) that secures the tubes to the heater core.
7. Install the screw (1) that secures the heater core tube retaining bracket (2) to the HVAC housing (3). Tighten the screw to 2.2 Nm (20 in. lbs.).
8. Tighten the bolt that secures the heater core tubes to the heater core to 3 Nm (27 in. lbs.).
9. Install the heater core and tube cover (2) onto the HVAC housing (3).
10. Install the five screws (1) that secure the heater core and tube cover to the HVAC housing. Tighten the screws to 2.2 Nm (20 in. lbs.).
11. Connect the HVAC wire harness (1) to the mode door actuator (2) located near the bottom of the air distribution housing (3).
