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. Strap (34) from compressor and condenser hose (7).
3. Compressor and condenser hose fitting at thermostatic expansion valve (6).
^ Discard seal (16).
4. Raise and suitably support vehicle.
5. Compressor and condenser hose fitting at condenser (3).
^ Use a back-up wrench to hold condenser fitting while loosening compressor and condenser hose fitting.
^ Discard O-ring (17).
6. Bolt/screw (30).
7. Compressor.
8. Compressor and condenser hose (7).
^ Discard seals (18).

Install or Connect

1. Clean fittings with mineral base 525 viscosity refrigerant oil.
^ Do not allow refrigerant oil to enter A/C system.
2. Seals (18) to compressor and condenser hose (7).
^ Lightly coat seals (18) with mineral base 525 viscosity refrigerant oil.
3. Compressor and condenser hose (7) into position.
4. Compressor.
5. O-ring (17) to compressor and condenser hose (7).
^ Coat O-ring (17) with mineral base 525 viscosity refrigerant oil.
6. Compressor and condenser hose fitting to condenser (3).

Tighten

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

7. Bolt/screw (30).

Tighten

^ Bolt/screw (30) to 10 N.m (89 lb. in.).

8. Lower vehicle.
9. Seal (16) to compressor and condenser hose fitting.
^ Lightly coat seal (16) with mineral base 525 viscosity refrigerant oil.
10. Compressor and condenser hose fitting to thermostatic expansion valve (6).

Tighten

^ Compressor and condenser hose fitting to 37 N.m (27 lb. ft.).

11. Strap (34) to compressor and condenser hose (7).
12. Charge A/C system. Refer to "Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures."
13. 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 RECEIVER AND DEHYDRATOR, AIR CONDITIONING

5 EVAPORATOR, AIR CONDITIONING

6 VALVE, AIR CONDITIONING THERMOSTATIC EXPANSION

7 HOSE, AIR CONDITIONING COMPRESSOR AND CONDENSER

8 TUBE, AIR CONDITIONING RECEIVED DEHYDRATOR

9 TUBE, AIR CONDITIONING RECEIVER DEHYDRATOR

10 BRACKET, AIR CONDITIONING RECEIVER DEHYDRATOR

11 BOLT/SCREW, AIR CONDITIONING RECEIVER DEHYDRATOR CLAMP

12 BOLT/SCREW, AIR CONDITIONING RECEIVER DEHYDRATOR BRACKET

13 O-RING, AIR CONDITIONING RECEIVER DEHYDRATOR TUBE

14 O-RING, AIR CONDITIONING EVAPORATOR TUBE

15 SEAL, AIR CONDITIONING EVAPORATOR TUBE

16 SEAL, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

17 O-RING, AIR CONDITIONING CONDENSER FITTING

18 SEAL, AIR CONDITIONING COMPRESSOR HOSE

20 O-RING, AIR CONDITIONING REFRIGERANT PRESSURE SENSOR

21 VALVE, AIR CONDITIONING REFRIGERANT PRESSURE SENSOR

22 SENSOR, AIR CONDITIONING REFRIGERANT PRESSURE

23 CORE, AIR CONDITIONING REFRIGERANT SERVICE VALVE

26 GAP, AIR CONDITIONING REFRIGERANT CHARGE VALVE

27 BOLT/SCREW, AIR CONDITIONING RECEIVER DEHYDRATOR TUBE

28 BOLT/SCREW, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

29 BOLT/SCREW, AIR CONDITIONING THERMOSTATIC EXPANSION VALVE

30 BOLT/SCREW, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE CLIP BRACKET

32 BRACKET, AIR CONDITIONING COMPRESSOR HOSE CLIP

33 RETAINER, RADIATOR AIR UPPER BAFFLE

34 STRAP, AIR CONDITIONING COMPRESSOR AND CONDENSER HOSE

38 BOLT/SCREW, AIR CONDITIONING COMPRESSOR

42 GASKET, EVAPORATOR BLOCK