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Volkswagen Golf Mk7 Service & Repair Manual: Expansion valve

The expansion valve atomises incoming refrigerant and regulates flow so the liquid doesn't fully vaporise until it reaches the evaporator outlet — a precisely controlled metering component in the Volkswagen Golf Mk7 circuit.

The expansion valve atomises incoming refrigerant and regulates the flow so that, depending on the heat transport, the vapour does not become a gas until it reaches the outlet of the evaporator.
 

Expansion valve

    Questions & answers

    Expansion valve — Volkswagen Golf Mk7

    What does the expansion valve do in the Golf Mk7 AC system?
    Atomises incoming liquid refrigerant and regulates flow so that the right amount evaporates in the evaporator, matching the cooling demand.
    Receiver
    The receiver collects the liquid droplets and directs them in a continuous stream to the expansion valve. Moisture which has entered the refrigerant circuit during as ...

    O-ring
    These O-rings seal the joints between the individual components of the refrigerant circuit. Use only seals that are resistant to refrigerant R134a an ...

    Other materials: