Hose/Line HVAC: Service and Repair

Remove or Disconnect

1. Recover refrigerant. Refer to "Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures."
2. Compressor and condenser hose fitting at accumulator (4).
^ Use back-up wrench to hold accumulator fitting while loosening compressor and condenser hose fitting.
^ Discard O-ring (14).
3. Raise and suitably support vehicle.
4. Bolt/screw (28).
5. Compressor and condenser hose fitting at condenser (3).
^ Use back-up wrench to hold condenser fitting while loosening compressor and condenser hose fitting.
^ Discard O-ring (17)
6. Lower vehicle.
7. Compressor and condenser hose (7).
^ Discard seals (18).

Install or Connect

1. Clean fittings with mineral base 525 viscosity refrigerant oil.
^ Lightly coat seals (18) with mineral base 525 viscosity refrigerant oil.
2. Compressor and condenser hose (7) into position.
3. Raise vehicle.
4. O-ring (17) to compressor and condenser hose (7).
^ Coat O-ring (17) with mineral base 525 viscosity refrigerant oil.
5. Compressor and condenser hose fitting to condenser (3).

Tighten

^ Compressor and condenser hose fitting to 27 N.m (20 lb. ft.)

6. Seals (18) to compressor and condenser hose (7).
7. Bolt/screw (28).

Tighten

^ Bolt/screw (28) to 33 N.m (24 lb. ft.).

8. Lower vehicle
9. O-ring (14) to compressor and condenser hose (7).
^ Coat O-ring (14) with mineral base 525 viscosity refrigerant oil.
10. Compressor and condenser hose fitting to accumulator (4).

Tighten

^ Compressor and condenser hose fitting to 48 N.m (36 lb. ft.).

11. Charge A/C system. Refer to "Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures."
12. Leak-test fittings. Refer to "Leak-Testing the Refrigeration System."

Image Legend

1 MODULE, HEATER AND AIR CONDITIONING EVAPORATOR

2 COMPRESSOR, AIR CONDITIONING

3 CONDENSER, AIR CONDITIONING

4 ACCUMULATOR, AIR CONDITIONING

6 EVAPORATOR, AIR CONDITIONING

7 HOSE, AIR CONDITIONING COMPRESSOR AND CONDENSER

8 HOSE, ACCUMULATOR

9 TUBE, AIR CONDITIONING EVAPORATOR

10 BRACKET, AIR CONDITIONING ACCUMULATOR

11 BOLT/SCREW, AIR CONDITIONING ACCUMULATOR CLAMP

12 BOLT/SCREW, AIR CONDITIONING ACCUMULATOR BRACKET

13 O-RING, AIR CONDITIONING EVAPORATOR TUBE

14 O-RING, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

16 O-RING, AIR CONDITIONING ACCUMULATOR HOSE

17 O-RING, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

18 SEAL, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

20 O-RING, AIR CONDITIONING REFRIGERANT PRESSURE SENSOR

21 VALVE, AIR CONDITIONING REFRIGERANT PRESSURE SENSOR

22 SENSOR, AIR CONDITIONING REFRIGERANT PRESSURE SENSOR

23 CORE, AIR CONDITIONING REFRIGERANT SERVICE VALVE

26 CAP, AIR CONDITIONING REFRIGERANT CHARGE VALVE

27 BOLT/SCREW, AIR CONDITIONING EVAPORATOR TUBE

28 BOLT/SCREW, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

33 RETAINER, RADIATOR AIR UPPER BAFFLE

38 BOLT/SCREW, AIR CONDITIONING COMPRESSOR

39 NUT, AIR CONDITIONING COMPRESSOR