BMW X3 Service & Repair Manual: Replacing safety pressure switch

WARNING: Danger of injury! Refrigerant circuit is under high pressure! Follow safety informations for handling R 134a refrigerant . Avoid contact with refrigerant and refrigerant fluid. 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 air conditioning system is open for longer than 24 hours: replace DESICCANT INSERT FOR AIR CONDITIONING

Necessary preliminary tasks:

  • DRAIN OFF AIR CONDITIONING SYSTEM

Unclip wiring harness (1).

Pull expansion tank (2) upward out of retaining bracket.

HVAC

Unfasten plug connection (1) and disconnect.

Installation note: Guide pin (2) must be fit correctly in rubber guide (3).

HVAC

Unfasten plug connection (1) and disconnect.

Release safety pressure switch (2) and remove.

HVAC

After installation:

  • EVACUATE AND FILL A/C SYSTEM
    Replacing desiccant insert for air conditioning system
    WARNING: Danger of injury! Refrigerant circuit is under high pressure! Follow safety instructions for handling R 134a refrigerant . Avoid cont ...

    Heating and air conditioning
    ...

    Other materials:

    BMW X3 Service & Repair Manual > Body repair instructions: Straightening aluminum component on the outer skin
    1.0 Prerequisites The component must be replaced if there are cracks and it is neither possible to drill into the end of the crack, nor to weld it. 2.0 Recommended tools Only use tools specifically designed for aluminum repairs. Do not use tools and operating fluids that have already b ...

    BMW X3 Owners Manual

    BMW X3 Service & Repair Manual

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