Commander 4WD V8-4.7L VIN N (2006)
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 N.m (17 ft. lbs.).
13. Lower the vehicle.
14. Reconnect the negative battery cable.
15. If the heater core is being replaced, flush the cooling system.
16. Fill the engine cooling system.
17. Evacuate the refrigerant system.
18. Charge the refrigerant system.
19. Initiate the Actuator Calibration function using a scan tool. Refer to HVAC System Test.
