Grand Caravan FWD V6-3.3L VIN 3 Flex Fuel (2002)
Fig.38 Underbody Connections
16. Cut the tie strap located just forward of the connections between the underbody plumbing and the engine compartment plumbing for the rear heater
and air conditioner.
17. Disconnect the suction line extension fitting from the underbody suction line fitting for the rear air conditioner.
18. Remove the seal from the underbody suction line fitting and discard.
19. Install plugs in, or tape over the opened suction line fittings.
20. Lower the vehicle.
21. Remove the suction line from the engine compartment.
INSTALLATION
The front air conditioner suction line includes the low side service port on a section of tubing located near the compressor. On models equipped with
the optional rear air conditioner, the front air conditioner suction line also includes a suction line hose and tube extension that connects the front
suction line to the suction line for the rear air conditioner.
WARNING: REFER TO THE APPLICABLE WARNINGS AND CAUTIONS FOR THIS SYSTEM BEFORE PERFORMING THE
FOLLOWING OPERATION.
1. Position the suction line into the engine compartment.
2. Remove the tape or plugs from the suction line and liquid line fittings and both expansion valve ports.
3. Lubricate new rubber O-ring seals with clean refrigerant oil and install them on the suction line and liquid line fittings.
4. Reconnect the liquid line and suction line fittings to the expansion valve.
5. Install and tighten the nut that secures the suction line and liquid line fittings to the expansion valve. Tighten the nut to 23 Nm (17 ft. lbs.).
6. Engage the retainer that secures the suction line routing clip to the filter-drier mounting bracket on the side of the right front strut tower in the
engine compartment.
7. Remove the tape or plugs from the compressor suction port and the suction line fitting.
8. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it on the suction line fitting.
9. Reconnect the suction line fitting to the compressor suction port.
10. Install and tighten the nut that secures the suction line fitting to the compressor. Tighten the nut to 23 Nm (17 ft. lbs.).
11. Reconnect the drain tube to the wiper module drain on the right side of the engine compartment.
12. Reinstall the air cleaner top cover and snorkel onto the air cleaner housing located on the right side of the engine compartment.
13. Reconnect the battery negative cable.
14. If the vehicle is equipped with the optional rear air conditioner, go to Step 15. If the vehicle does not have the optional rear air conditioner, go to
Step 21.
15. Raise and support the vehicle.
16. Remove the tape or plugs from the suction line extension fitting and the underbody suction line fitting.
17. Lubricate a new rubber O-ring seal with clean refrigerant oil and install it on the underbody suction line fitting.
18. Reconnect the suction line extension fitting to the underbody suction line fitting. Tighten the fittings to 23 Nm (17 ft. lbs.).
19. Install a new tie strap just forward of the connections between the underbody plumbing and the engine compartment plumbing for the rear heater
and air conditioner.
20. Lower the vehicle.
21. Evacuate the refrigerant system.
22. Charge the refrigerant system.
Rear
