Commander 4WD V8-4.7L Flex Fuel (2009)
4. Connect the rear HVAC wire harness connector (3) to the body wire harness connector (4).
5. Install the distribution duct (1) onto the rear of the HVAC housing (2) and engage the retainer to the housing.
6. Install the interior quarter trim panel See: Body and Frame/Interior Moulding / Trim/Trim Panel/Service and Repair/Luggage Compartment
Trim/Quarter Trim Panel - Installation.
NOTE: Illustration shown with rear body cradle removed for clarity.
7. Raise and support the vehicle.
8. Connect the rear heater hoses (6) to the rear heater core tubes (5) which extend through the rear floor panel (4) behind the right rear wheel housing
and install the heater hose clamps securely.
9. Remove the tape or plugs from rear underbody refrigerant line fittings and rear expansion valve ports.
10. Lubricate new rubber O-ring seals with clean refrigerant oil and install them onto the rear underbody refrigerant line fittings. Use only the
specified O-rings as they are made of a special material for the R-134a refrigerant system. Use only refrigerant oil of the type recommended for the
A/C compressor in the vehicle.
11. Connect the underbody refrigerant lines to the rear A/C expansion valve (3).
12. Install the nut (1) that secures the underbody refrigerant lines to the to the rear A/C expansion valve. Tighten the nut to 23 Nm (17 ft. lbs.).
13. Install the right rear quarter liner and right rear tire and wheel assembly See: Body and Frame/Fender/Front Fender/Front Fender Liner/Service and
Repair/Splash Shield - Installation.
14. Lower the vehicle.
15. Reconnect the negative battery cable.
16. If the heater core is being replaced, flush the cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair.
17. Fill the engine cooling system See: Engine, Cooling and Exhaust/Cooling System/Service and Repair.
18. Evacuate the refrigerant system See: Service and Repair/Refrigerant System Evacuate.
19. Charge the refrigerant system See: Service and Repair/Refrigerant System Charge.
20. Initiate the Actuator Calibration function using a scan tool . See: Testing and Inspection/Component Tests and General Diagnostics/HVAC
System Test
