Commander 4WD V8-4.7L VIN N (2006)
7. If equipped with dual zone heating-A/C, remove the blend door actuator (1) from the passenger side of the HVAC air distribution housing (2).
8. Remove the screw (3) that secure the heater core tubes (4) and retaining bracket (5) to the HVAC housing (6).
NOTE: Take proper precautions to protect the carpeting from engine coolant. Have absorbent toweling readily available to clean up any spills.
9. Remove the bolt (7) that secures the heater tubes to the heater core (8).
10. Disconnect the heater core tubes from the heater core and remove and discard the O-ring seals.
11. Install plugs in, or tape over the opened heater core ports.
12. Carefully pull the heater core out of the HVAC air distribution housing.
13. If required, remove the heater core tubes from the vehicle.
INSTALLATION
1. Carefully install the heater core (8) into the passenger side of the HVAC air distribution housing (2).
2. Remove the tape or plugs from the heater core ports.
3. If removed, position the heater core tubes (4) into the vehicle.
4. Lubricate new rubber O-ring seals with clean engine coolant and install them onto the heater core tubes. Use only the specified O-ring as they are
made of a special material for the engine cooling system.
5. Connect the heater core tubes to the heater core.
6. Install the bolt (7) that secures the heater core tubes to the heater core. Tighten the bolt securely.
7. Install the screw (3) that secures the heater core tube retaining bracket (5) to the HVAC housing (6). Tighten the screw to 2.2 N.m (20 in. lbs.).
8. If equipped with dual zone heating-A/C, install the blend door actuator (1) onto the passenger side of the HVAC air distribution housing.
