Running gear
Body
Power unit
Power transmission
Vehicle electrics
Heating, ventilation, air conditioning system
Auxiliary heater
Air conditioner with refrigerant R134a
Air conditioner
Warning instructions when working on vehicles with high-voltage system
General information on air conditioning systems
General information on refrigerant circuit
Laws and regulations
Refrigerant circuit
Important repair notes for air conditioning systems
Converting refrigerant circuits from refrigerant R12 to refrigerant R134a
Working with the air conditioner service station
Blowing out refrigerant circuit with compressed air and nitrogen
Flushing (cleaning) refrigerant circuit with refrigerant R134a
Tracing leaks in refrigerant circuit
Tracing refrigerant circuit leaks with electronic leak detector (e.g. V.A.G 1796)
Tracing leaks in refrigerant circuit with leak detection system VAS 6201
Establishing leaks by way of vacuum test with air conditioner service station or nitrogen pressure test
Problems with refrigerant circuit
Connecting air conditioner service station
Checking pressures
Renewing components of refrigerant circuit
Capacities for refrigerant R134a, refrigerant oil and approved refrigerant oils
Test equipment and tools
Air conditioning