New Beetle L4-2.0L (AVH) (2005)
Expansion Valve: Testing and Inspection
Expansion Valve and Receiver (With Internally Regulated Compressor), Checking
Expansion Valve and Receiver (With Internally Regulated Compressor), Checking
NOTE:
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Connect service station.See: Testing and Inspection/Component Tests and General Diagnostics/Working With Service Station
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Observe test conditions. See: Testing and Inspection/Component Tests and General Diagnostics/Pressures In Refrigerant Circuit, Checking (Using
Service Station)
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Set engine speed to 2000 RPM.
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Observe pressure gauge set.
NOTE: Switching pressures and arrangement of refrigerant circuit switches are vehicle-specific.
Pressures must be measured at service connections; component locations of these connections are vehicle-specific
Specified values:
High pressure side:
Increasing from initial pressure (on connecting pressure gauges) to max. 20 bar.
Low pressure side:
Decreasing from initial pressure (on connecting pressure gauges) to value in graph.
A - High pressure in bar
B - Low pressure in bar
C - Permissible tolerance range.