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Removing and installing the expansion valve: Removal

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  1. Remove the cover above the heating/air-conditioning system.
  2. Remove refrigerant by suction with the service unit.
  3. Undo the air-conditioning lines at the expansion valve. Close connections and lines immediately with plugs so that they are air-tight.
  4. Undo the expansion valve and remove it. Immediately close the lines to the evaporator with plugs so that they are air-tight.
    Fig 1: Removing Expansion Valve
    G03150937Courtesy of PORSCHE OF NORTH AMERICA, INC.