Volkswagen Golf Service & Repair Manual: Design of refrigerant circuit

High-pressure safety valve

The high-pressure safety valve is fitted to the air conditioner compressor or the receiver. The valve opens at a pressure above approx. 38 bar and ...

Refrigerant circuit with expansion valve and evaporator

1 -  Evaporator 2 -  Expansion valve 3 -  Valve for extracting, charging and measuring ...

Other materials:

Removing and installing remote control receiver for auxiliary coolant heater -R149-, Golf Variant
  Note If the remote control receiver for auxiliary coolant heater -R149- is renewed, the remote control receiver for auxiliary coolant heater -R149- needs to be adapted to the auxiliary and supplementary heater using the vehicle diagnostic tester ...

Basics for working on refrigerant circuit
Observe instructions specific to the workplace; → Volkswagen ServiceNet; Handbooks; Service handbook; Environmental protection. Refrigerant from air conditioning systems / refrigerant oils - to be displayed at refrigerant designated working are ...

Safety precautions when using test and measuring equipment during a road test
Observe the following if test and measuring equipment is required during a road test:   WARNING Accident hazard as a result of distraction and inadequate securing of test and measuring equipment. ...