Volkswagen Golf 1999 Service Manual page 3970

Refrigerant R134a - Servicing
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00 - Technical data
General information for A/C system
Introduction
Other reference material
Principles of air conditioning systems
Vapor pressure table for refrigerant R134a
Refrigerant R134a
Characteristics of refrigerant R134a
Refrigerant oil
Comfort
Mode of operation of air conditioning system
General work safety
Safety measures for working on vehicles with air conditioning system
and for handling refrigerant R134a
Basic rules for working on refrigerant circuit
General information on refrigerant circuit
Components of refrigerant circuit
Design of refrigerant circuit
Connections for quick-release coupling on refrigerant circuit
Switches and sensors on refrigerant circuit and corresponding
connections
Electrical components not installed on the refrigerant circuit
Pressures and temperatures in refrigerant circuit
Refrigerant circuit with expansion valve
Refrigerant circuit with restrictor and reservoir
Tests and measurements performed using pressure gauge
Service and recycling units
Refrigerant circuit repair information
Laws and regulations
Laws and regulations
Recycling and refuse law
R12 refrigerant circuit, converting to R134a refrigerant circuit and
servicing (retrofit)
Keeping refrigerant records
Refrigerant circuit
Important repair notes on air conditioning systems
Refrigerant circuits, converting from R12 refrigerant to R134a
refrigerant
Working with the service station
Service station, connecting for measurement and testing
Refrigerant circuit, discharging using service station
Refrigerant circuit, evacuating using service station
Refrigerant circuit, charging using service station
Refrigerant, transferring to charging cylinder of service station
Service station, draining
Refrigerant circuit, cleaning (flushing) with compressed air and
nitrogen.
Refrigerant circuit, tracing leaks using leak detector V.A.G 1796
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13/2/2005