A/C system refrigerant system, servicing: Notes
NOTE:
- A/C system components identified with an asterisk (*) may only be serviced or replaced after properly discharging refrigerant system.
- A/C system components not identified with an asterisk (*) can be serviced or replaced without discharging refrigerant system.
HD = High-pressure side
ND = Low-pressure side
NOTE:
The following list refers to items in Fig 1.
- Compressor*
- Removing and installing compressor from mounting bracket. See A/C COMPRESSOR FROM MOUNTING BRACKET, REMOVING AND INSTALLING .
- Manufacturer Nippondenso
NOTE: Removing and installing ribbed V-belt: - A/C compressor speed sensor -G111-*
- Not applicable for Nippondenso compressor
- A/C clutch -N25-
- Testing. See OUTPUT DIAGNOSTIC TEST MODE (DTM) (FUNCTION 03) .
- Servicing. See A/C CLUTCH, SERVICING
- Check and adjust gap between belt and clutch disc. See A/C CLUTCH, SERVICING .
- Removing and installing ribbed V-belt
- Oil drain plug*
- Pressure relief valve*
- Connection with valve*
- A/C refrigerant pressure switches -F23-, -F118- and -F129-
- Function, removing and installing. See A/C REFRIGERANT HIGH PRESSURE SWITCHES -F23- AND -F118- .
- A/C pressure switch - F129-, function, removing and installing. See A/C PRESSURE SWITCH -F129-, FUNCTIONS .
NOTE:- A/C refrigerant high pressure switch -F23- and A/C refrigerant high pressure switch -F118- are installed on vehicles with an A/C control headup to Part No. index letter "H."
- On vehicles with an A/C control head beginning at Part No. index letter "J" A/C pressure switch -F129- is installed (introduction of sensor for air quality -G238-).
- Condenser*
- Cap
- With seal, always re-install after servicing
- Service valve (high pressure)*
- At condenser
- Coupling in refrigerant line*
- Restrictor*
- Evaporator*
- A/C refrigerant low-pressure switch -F73-
- Function, removing and installing. See A/C REFRIGERANT LOW PRESSURE SWITCH -F73- .
- Deleted with introduction of A/C pressure switch - F129-
- Connection with valve*
- For vehicles without A/C refrigerant low pressure switch -F73- a cap with seal must be screwed onto the connector for this switch
- Accumulator*
- Cap
- Not applicable for Nippondenso compressor
- Connection with valve*
- Not applicable for Nippondenso compressor