Grand Caravan V6-3.3L VIN R (2005)
Rear HVAC Housing
18. Remove the screw that secures the back of the rear HVAC housing to the right D-pillar.
19. Remove the screw that secures the front of the rear HVAC housing to the inner right quarter panel.
20. Lift the rear HVAC housing up far enough for the lower mounting studs and the evaporator extension lines to clear the mounting holes in the rear
floor panel and remove the housing.
INSTALLATION
NOTE: If the rear heater core or the rear HVAC housing have been removed from the vehicle for service, the rear heater core should be pre-filled with
the proper engine coolant mixture prior to reconnecting the heater hoses to the heater core hose fittings.
1. Position the rear HVAC housing into the vehicle with the evaporator extension line sealing plate inserted into the opening in the rear floor panel
behind the right rear wheel house.
2. Align the rear HVAC housing lower mounting studs with the holes in the rear floor panel and lower the rear HVAC housing to the floor.
3. Install the screw that secures the front of the rear HVAC housing to the inner right quarter panel. Tighten the screw to 11 N.m (97 in. lbs.).
4. Install the screw that secures the back of the rear HVAC housing to the right D-pillar. Tighten the screw to 11 N.m (97 in. lbs.).
5. Remove the plugs or tape from both heater core fittings and both heater hoses.
6. Pre-fill the rear heater core.
7. Connect the heater hoses to the rear heater core.
8. Install the rear floor heat duct onto the inner right quarter panel.
9. Install the two screws that secure the bottom of the quarter trim panel attaching bracket to the rear HVAC housing. Tighten the screws to 2 N.m
(17 in. lbs.).
10. Install and tighten the two screws that secure the top of the quarter trim panel attaching bracket to the inner quarter panel.
11. Connect the wire harness connector to the rear HVAC wire harness connector.
12. Install the rear distribution duct onto the rear HVAC housing and the rear headliner duct.
13. Install the trim panels onto the right inner quarter panel and right D-pillar.
14. Raise and support the vehicle.
15. Install the three nuts that secure the rear HVAC housing mounting studs to the rear floor panel behind the right rear wheel housing. Tighten the
nuts to 9 N.m (80 in. lbs.).
16. Remove the tape or plugs from the underbody refrigerant line fittings and both ports in the rear evaporator extension line sealing plate.
17. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the underbody refrigerant line fittings.
18. Connect the underbody refrigerant line sealing plate to the evaporator extension line tapping plate.
