Durango 4WD V8-5.9L VIN Z (1998)
Rear Overhead A/C Unit Remove/Install
7. Loosen but do not remove the two screws that secure the mounting bracket on the left end of the rear overhead A/C unit to the left roof rail.
8. Support the right end of the rear overhead A/C unit while removing the two screws that secure the mounting bracket on the right end of the unit to
the right roof rail.
9. Slide the rear overhead A/C unit towards the right side of the vehicle far enough to disengage the slotted holes on the left end of the mounting
bracket from the loosened screws in the left roof rail.
10. Remove the rear overhead A/C unit from the passenger compartment.
INSTALLATION
1. Engage the slotted holes in the left end of rear overhead A/C unit mounting bracket with the loosened screws in the left roof rail.
2. Support the right end of the rear overhead A/C unit while installing the two screws that secure the mounting bracket on the right end of the unit to
the right roof rail. Tighten all of the mounting screws to 11.9 Nm (105 in. lbs.).
3. Plug in the rear overhead A/C unit wire harness connector located at the left side of the unit.
4. Connect the B-pillar drain hoses to the way fittings on each side of the rear overhead A/C unit.
5. Remove the tape or plugs from block fittings at the top of the B-pillar refrigerant line unit, and from the fittings on the rear overhead A/C unit.
Install the B-pillar refrigerant line block fittings over the one stud on the rear overhead A/C unit. Install the bolt holding the suction line, and
secure the connections with the mounting nuts. Tighten the mounting nuts to 11.3 Nm (100 in. lbs.).
6. Reinstall the headliner in the passenger compartment of the vehicle.
7. Connect the battery negative cable.
8. Evacuate the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant System Evacuate, Evacuating the
A/C System, See: Service and Repair/Refrigerant System Evacuate
9. Charge the refrigerant system. Refer to: Heating and Air Conditioning, Service and Repair, Refrigerant System Charge, A/C System
Charge, See: Service and Repair/Refrigerant System Charge
NOTE: If the rear overhead A/C unit is replaced, add 30 milliliters (1 fluid ounce) of refrigerant oil to the refrigerant system. Use only
refrigerant oil of the type recommended for the compressor in the vehicle.
