BMW X5: Replacing Valve Insert For Refrigerant Line
WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
IMPORTANT: Risk of damage Restart engine only when A/C system has been correctly filled.
If A/C system is opened for more than 24 hours: Replacing drier insert for A/C system.
NOTE: The special tool is available under BMW order number: 81 34 0 427 679 from the BMW workshop equipment catalogue.
Necessary preliminary tasks:
- Drawing off, evacuating and filling the A/C system are not included in the time value given for this work operation.
Twist valve insert out of filler neck (2) with remover (1).
Installation:
Screw in valve insert hand-tight only.
Fig. 103: Identifying Filler Neck With Remover
After installation:
- Evacuate and fill A/C system.
- Check leak-tightness of valve insert with soapy solution.
In event of leakage:
- Evacuate A/C system.
- Check sealing faces on line and valve insert for damage, replace line or valve insert if necessary.
REPLACING DESICCANT INSERT FOR A/C SYSTEM
WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
IMPORTANT: Risk of damage! Restart engine only when A/C system has been correctly filled.
Follow instructions for opening and replacing parts in refrigerant circuit! If A/C system is opened for more than 24 hours: Replacing drier insert for A/C system.
Necessary preliminary tasks:
- Remove condenser.
Remove cover cap (1) from condenser (2).
Fig. 104: Identifying Cover Cap And Condenser
Press sealing cap (1) inwards and remove circlip (2).
Fig. 105: Pressing Sealing Ca
With assistance of a screwed-in screw (1), remove sealing cap from condenser (3).
Fig. 106: Removing Sealing Cap From Condenser
Installation:
Replace sealing rings (1) of sealing cap (2) and coat with refrigerant oil.
Fig. 107: Identifying Sealing Rings And Sealing Cap
IMPORTANT: Risk of damage! Removal is made more difficult if rib (2) is damaged!
Carefully pull out desiccant insert (1) with a pair of wide pliers on rib (2).
Fig. 108: Turning Rib
After installation:
- Evacuate and fill A/C system.
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Replacing Safety Pressure Switch
WARNING: Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling refrigerant R 134a.
Follow safety instructions for handling refrigerant oil.
IMPORTANT: Risk of da
Instrument Cluster
REMOVING AND INSTALLING (REPLACING) INSTRUMENT CLUSTER
IMPORTANT: Read and comply with notes on protection against
electrostatic damage (ESD
protection).
NOTE:
Comply with notes and instructions o
SEE MORE:
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 contact with eyes or skin, wash immediately
with lots of water.
IMPORTANT: To avoid dirtying vehicle
Exhaust Gas Turbocharging
The turbocharger is driven by the engine's exhaust gases, i.e. exhaust gases
under pressure are routed by the turbocharger turbine and in this way delivers
the motive force to the compressor, which rotates on the same
shaft.
It is here that the induction air is precompressed in such a way that a
