Diesel Data: Automotive Repair

Rear







REMOVE OR DISCONNECT
1. Battery ground cable.
^ Purge the system of refrigerant.
2. Rear duct (303).
3. Blower motor harness connector (332).
4. Ground wire (331).
5. Refrigerant lines at the rear of the blower-evaporator assembly (351).

CAUTION: Cap or plug the open connections.

6. Blower-evaporator support-to-roof-rail screws (320 and 325).
7. Blower and evaporator core (339).
^ Place the blower-evaporator upside down on a work bench.
8. Lower case assembly (336).
9. Upper case (326) and supports (324) from the evaporator core.
10. Expansion valve inlet and outlet lines (341).

CAUTION: Cap or plug open connections.

11. Expansion valve sensing bulb from the evaporator outlet line.
12. Valve (342).
13. Plastic pins (345) that hold the screen (346) to the core.
14. Screen (346).

INSTALL OR CONNECT
1. Wire screen (346) to the front of the core.
2. Plastic pins (345).
3. Expansion valve Inlet and outlet lines (341).
^ Use new seals (0-rings) (340) coated with dean refrigeration oil.
4. Sensing bulb to the evaporator outlet line.
^ Bulb must make good contact with the line.
^ Add 88.7 ml (3 ounces) of clean refrigerant oil to new core.
5. Upper case (326) and supports (324) to the core.
6. Lower core case (336) and blower assembly.
7. Blower-evaporator assembly to the roof.
8. Support-to-roof rail screws (320 and 325).
9. Refrigerant lines (351) to the rear of the blower-evaporator unit.
^ Use new seals (0-rings) (4) coated with clean refrigeration oil.
10. Blower lead harness connector (332).
11. Ground wire (331).
12. Rear duct (303).
13. Battery ground cable.
^ Evacuate, charge and check the system.