Commander 4WD V8-4.7L VIN N (2006)
7. Remove the tape or plugs from rear underbody refrigerant line fittings and rear expansion valve ports.
8. 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.
9. Connect the underbody refrigerant lines to the rear A/C expansion valve (3) which extend through the rear floor panel (4) behind the right rear
wheel housing.
10. 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.).
11. Connect the rear heater hoses (6) to the rear heater core tubes (5) and install the heater hose clamps securely.
12. Remove the tape or plugs from the opened refrigerant line fittings.
13. Lubricate a new rubber O-ring seal with clean refrigerant oil and install them onto the underbody refrigerant line fittings. Use only the specified
O-rings as they are made of a special material for the R-134a system. Use only refrigerant oil of the type recommended for the A/C compressor in
the vehicle.
14. Connect the liquid line extension tube (2) and the suction line extension tube (3) to the underbody refrigerant lines (6) and install the two nuts (1
and 4). Tighten the nuts to 20 N.m (15 ft. lbs.).
15. Connect the heater hoses to the front of the underbody heater lines (5) and install the heater hose clamps securely.
16. Lower the vehicle.
17. Reconnect the negative battery cable.
18. Fill the engine cooling system.
19. Evacuate the refrigerant system.
20. Charge the refrigerant system.
