A/C Refrigerant System Controls Component Overview
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NOTE:
Before carrying out any work on the A/C refrigerant system, refer to A/C refrigerant system safety measures SAFETY PRECAUTIONS .
Except where indicated with all system components illustrated must only be serviced or replaced after discharging refrigerant system.
- Damper
- Refrigerant hose
- Refrigerant pipe
- Refrigerant pipe
- From receiver drier to expansion valve
- High pressure service valve
- Only use Kent Moore ACR4 or equivalent
- A/C Pressure Switch -F129- (4-Pin) or High Pressure Sensor -G65- (3-Pin)*
- Depending on engine type, refrigerant systems have either an A/C Pressure Switch -F129- or High Pressure Sensor -G65- installed. Refer to appropriate SYSTEM WIRING DIAGRAM.
- A/C Pressure Switch -F129-, checking A/C PRESSURE SWITCH, CHECKING
- High Pressure Sensor -G65-, function HIGH PRESSURE SENSOR, FUNCTION , multi-pin connector assignments HIGH PRESSURE SENSOR, MULTI-PIN CONNECTOR ASSIGNMENTS , electrical checks HIGH PRESSURE SENSOR, ELECTRICAL TESTING .
- Removing and installing A/C PRESSURE SWITCH AND HIGH PRESSURE SENSOR
- Component can be removed without discharging refrigerant system
- Expansion valve
- Evaporator
- In heater/evaporator unit
- Removing HEATER/EVAPORATOR UNIT , heater/evaporator unit, assembly
- Refrigerant hose
- Refrigerant hose
- From compressor to condenser
- Condenser
- Removing and installing CONDENSER
- Pressure relief valve
- On compressor
- Checking PRESSURE RELIEF VALVE, CHECKING
- Compressor
- A/C Clutch -N25-
- Clutch assembly can be serviced without discharging refrigerant system.
- Servicing A/C CLUTCH, SANDEN ASSEMBLY OVERVIEW .
- Receiver drier