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Volkswagen Golf Mk7 Service & Repair Manual: If there is still refrigerant in the refrigerant circuit

This page covers the procedure when refrigerant remains in the Volkswagen Golf Mk7 circuit: drain it, remove the defective part, purge with compressed air, and collect the escaping refrigerant oil for measurement.

  Drain refrigerant circuit.
–  Remove defective part, purge with compressed air and collect escaping refrigerant oil.
–  A quantity of fresh refrigerant oil equal to the quantity of refrigerant oil that has been blown out (plus 20 cm3 for the evaporator, plus 10 cm3 for the condenser, refrigerant pipes and refrigerant hoses) should be poured into the new component.
–  Renew restrictor. Depending on vehicle
–  Assemble refrigerant circuit, evacuate and charge.
   

    Questions & answers

    If there is still refrigerant in the refrigerant circuit — Volkswagen Golf Mk7

    What if the Golf Mk7 AC still has some refrigerant?
    Drain the circuit, remove the defective part, purge with compressed air, collect escaping oil, replace, evacuate and recharge.
    If the refrigerant circuit was completely empty
    Remove defective part. –  Remove air conditioner compressor. –  Remove oil drain screw from air conditione ...

    Renewing air conditioner compressor
      Note On vehicles equipped with an electrical air conditioner compressor, de-energise the high-voltage system before removing the air conditioner compre ...

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