BMW X5: Instructions For Opening And Replacing Parts In Refrigerant Circuit
BMW X5 (G05) 2019-2026 Service & Repair Manual / Heating And Air Conditioning / Air Conditioning Systems / Instructions For Opening And Replacing Parts In Refrigerant Circuit
WARNING:
- Avoid contact with refrigerant and refrigerant oil
- Follow safety instructions for handling R 134a refrigerant.
- Follow safety instructions for handling refrigerant oil.
CAUTION:
- Always use new O-rings each time A/C connections are opened.
- Moisten O-rings with refrigerant oil prior to fitting.
- Seal all parts to be returned at openings to prevent ingress of moisture or foreign bodies.
I. Opening refrigerant circuit without part replacement, as preliminary work to further work
(e.g. engine removal):
Work sequence:
- Draw off A/C system, then determine drawn-off refrigerant oil quantity.
- Carry out main work.
- Replace removed refrigerant oil with new refrigerant oil.
- Evacuate and fill A/C system.
II. Part replacement and part replacement on account of insidious leak
(minor leak, e.g. hairline crack)
Work sequence:
- Draw off A/C system, then determine drawn-off refrigerant oil quantity.
- Carry out part replacement.
- Replace removed refrigerant oil with new refrigerant oil.
- Additionally replenish new refrigerant oil in accordance with replaced
parts:
- Compressor: refer to NOTES ON REPLACING COMPRESSOR
- Evaporator: 10 ml
- Condenser: 10 ml
- Desiccant insert / desiccant bottle: 30 ml
- Each replaced refrigerant line: 10 ml
- Condenser with integrated dryer: 30 ml
- Safety pressure switch and seals: no additional refrigerant oil
- Evacuate and fill A/C system.
III. Part replacement on account of sudden leak
(major leak, e.g. pipe break due to accident)
Work sequence:
- Draw off A/C system, then determine drawn-off refrigerant oil quantity.
- Carry out part replacement.
- Replace removed refrigerant oil with new refrigerant oil.
- Additionally replenish 25 ml new refrigerant oil and new refrigerant oil
in accordance with
replaced parts:
- Compressor: refer to NOTES ON REPLACING COMPRESSOR
- Evaporator: 10 ml
- Condenser: 10 ml
- Desiccant insert / desiccant bottle: 30 ml
- Each replaced refrigerant line: 10 ml
- Condenser with integrated dryer: 30 ml
- Safety pressure switch and seals: no additional refrigerant oil
- Evacuate and fill A/C system.
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Cleaning Evaporator
Special tools required:
64 1 300
WARNING: When handling cleaning agent, observe following protection
measures:
Wear protective rubber gloves and protective goggles.
If cleaning agent comes into c
Replacing Evaporator
Necessary preliminary tasks:
Remove heater
Release screws (1).
Fig. 84: Identifying Screws
Release screws (1) and remove expansion valve (2).
Installation:
Ensure that seals are correctly seated.
SEE MORE:
Replacing Engine Carrier With Wheel Arch, Left
Read contents of Body, General.
The steel-aluminum mixed construction is used on the vehicle.
Observe specific procedure.
Remove or cover those vehicle components in the repair area which are
susceptible to heat or dust.
Use only approved spot-welding apparatus for repairs.
Place vehicle on st
Centre Console Assembly
REPLACING CENTRE MOUNT GAITER
Necessary prelim2222inary tasks:
Remove propeller shaft.
NOTE: The propeller shaft is balanced. The front and rear propeller
shafts must be
reassembled in the same position.
Detach gaiter (1) from groove (2).
Mark front propeller shaft (3) and rear propeller shaft (
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