BMW X3 Service & Repair Manual: Instructions for opening and part replacement in refrigerant circuit
Special tools required:
WARNING:
- Avoid contact with refrigerant and refrigerant oil
- Follow safety informations for handling refrigerant .
- Follow safety information for HANDLING REFRIGERANT OIL
Attention!
I. Part replacement as preliminary work fur further repair work and part replacement based on
gradual leakage.
(minor leak, e.g. hairline crack)
Procedure:
- Draw off HEATING AND AIR CONDITIONING SYSTEM, then determine drawn-off amount
of refrigerant oil
- Carry out part replacement
-
Replace removed refrigerant oil and additionally top up with new refrigerant oil according to
components replaced:
- Compressor: refer to NOTES ON COMPRESSOR REPLACEMENT
- Evaporator: 10 ml
- Capacitor: 20 ml
- Desiccant insert/dryer flask: 20 ml
- Each replaced refrigerant line: 10 ml
- Condenser with integrated dryer flask: 40 ml
- Safety pressure switch and gasket: no additional refrigerant oil
- Only I01: Radiator, high-voltage battery unit: 20 ml
- EVACUATE AND FILL AIR CONDITIONING SYSTEM
II. Part replacement due to sudden leakage
(major leak, e.g. pipe break due to accident)
Procedure:
- Draw off HEATING AND AIR CONDITIONING SYSTEM, then determine drawn-off amount
of refrigerant oil
- Carry out part replacement
-
Replace removed refrigerant oil and additionally top up with new refrigerant oil according to
components replaced:
- Compressor: refer to NOTES ON COMPRESSOR REPLACEMENT
- Evaporator: 35 ml
- Capacitor: 35 ml
- Desiccant insert/dryer flask: 55 ml
- Each replaced refrigerant line: 35 ml
- Condenser with integrated dryer flask: 55 ml
- Safety pressure switch and gasket: no additional refrigerant oil
- Only I01: Radiator, high-voltage battery unit: 35 ml
- EVACUATE AND FILL A/C SYSTEM
Special tools required:
32 1 270
WARNING: Danger of injury!
Refrigerant circuit is under high pressure!
Observe the safety information for ha ...
Special tools required:
00 9 030
NOTE:
This procedure only applies if the new air conditioning compressor has a label
with the amount of ref ...