BMW X5: Replacing Evaporator
Necessary preliminary tasks:
Release screws (1).
Fig. 84: Identifying Screws
Release screws (1) and remove expansion valve (2).
Installation:
Ensure that seals are correctly seated.
Replace sealing rings and moisten with refrigerant oil.
Tightening torque.
Fig. 85: Identifying Expansion Valve With Screws
Release screws (1) and carefully remove upper housing section (2).
Fig. 86: Identifying Upper Housing Section
Remove evaporator (1).
Fig. 87: Identifying Evaporator
After installation:
- Evacuate and fill A/C system.
- Fill and vent cooling system.
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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 d
Special tools required:
64 5 104
64 5 108
Necessary preliminary tasks:
Remove expansion valve.
Replace sealing rings (1) and coat with refrigerant oil.
Fig. 90: Identifying Sealing Rings
Moun
WARNING:
Avoid contact with refrigerant and refrigerant oil.
Follow safety instructions for handling R 134a refrigerant.
Follow safety instructions for handling refrigerant oil.
CAUTION:
A
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Special tools required:
11 4 281
11 4 481
IMPORTANT: Aluminium screws/bolts must be replaced each time they
are released.
The end faces of aluminium screws/bolts are painted blue for the purposes of
reliable identification.
Jointing torque and angle of rotation must be observed without fail (
Fuel tank leakage diagnosis module
The fuel system leak test is regularly conducted when the engine is switched
off. Here, the following processes
are executed during the DME run-down period:
Initial situation
During normal engine operation, the switchover valve in the diagnosis module
is in t