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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