Grand Caravan V6-3.8L VIN L (2007)
HVAC HOUSING
NOTE: The HVAC housing must be removed from the vehicle and disassembled for service of the air inlet housing, air distribution housing and the
A/C evaporator.
1. Position the HVAC housing against the dash panel in the passenger compartment with the three mounting studs located in their proper holes. Make
sure that the condensate drain tube protrudes through its opening.
2. Loosely install the nut and bolt that secures the HVAC housing to the passenger compartment side of the dash panel.
3. Install the three nuts that secure the HVAC housing to the engine compartment side of the dash panel. Tighten the nuts to 7 Nm (62 in.lbs.).
4. Tighten the nut and bolt that secures the HVAC housing to the passenger compartment side of the dash panel to 3 Nm (27 in.lbs.).
5. Install the instrument panel.
6. Connect the heater hoses to the heater core.
7. Connect the A/C suction and liquid lines to the A/C expansion valve.
8. Reconnect the negative battery cable.
9. If the heater core is being replaced, flush the cooling system.
10. Refill the engine cooling system.
11. Evacuate the refrigerant system.
12. Charge the refrigerant system.
13. Calibrate the A/C-heater control.
Rear HVAC Housing Removal
REMOVAL
WARNING: Refer to the applicable warnings and cautions for this system before performing the following operation. Failure to follow the
warnings and cautions could result in possible personal injury or death.
NOTE: The rear HVAC housing must be removed from the vehicle for service of the mode door actuator, blend door actuator, blower motor, heater
core, blower motor resistor or power module and it must be disassembled for service of the A/C evaporator, mode-air door and the blend-air door.
NOTE: To prevent any contaminates from entering the rear heating and A/C system, make sure that the area around the underbody line connections is
clean of any dirt or foreign residue prior to disconnecting the underbody lines.
1. Disconnect and isolate the negative battery cable.
2. Recover the refrigerant from the refrigerant system.
3. Drain the engine cooling system.
4. Raise and support the vehicle.
5. Remove the nut that secures the underbody refrigerant extension lines and sealing plate to the rear A/C expansion valve which extend through the
rear floor panel behind the right rear wheel housing (Figure 1).
6. Disconnect the underbody refrigerant extension lines from the rear A/C expansion valve.
7. Remove and discard the O-ring seals from the underbody refrigerant line fittings.
8. Install plugs in, or tape over the opened underbody refrigerant line fittings and rear expansion valve ports.
