New Beetle L4-1.8L Turbo (BNU) (2005)
Service Port HVAC: Description and Operation
Connections For Quick-Release Coupling on Refrigerant Circuit
CAUTION:
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There is a danger of ice-up.
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Refrigerant may leak out if refrigerant circuit is not discharged.
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Refrigerant must be extracted before opening refrigerant circuit.
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Only valves and connections that are resistant to refrigerant R134a and refrigerant oil must be installed.
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Different connections (outer diameter) for high pressure and low pressure side.
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Always screw on sealing caps.
Arrangement in vehicle.
Extraction and filling valve with Schrader valve
A - Service connection (soldered in)
B - Schrader valve insert
C - O-ring seal (belongs to valve)
D - Sealing cap with seal
Evacuating and charging valve, high pressure side
1. Socket with external and internal threads
2. O-ring: 10.8 mm; 1.8 mm identification: black or colored
3. Evacuating and charging valve with groove for O-ring and external or internal thread M 8x1 for cap
4. O-ring for cap, 10.8 mm; 1.8 mm identification: black or colored
5. Cap
Evacuating and charging valve, low pressure side