VW Golf manuals

Volkswagen Golf Service & Repair Manual: Pipes and hoses in refrigerant circuit

The mixture of refrigerant oil and refrigerant R134a attacks certain metals (e.g. copper) and alloys and dissolves certain hose materials. Therefore, always use genuine replacement parts.
The hoses and pipes are held together with screwed joints or special push-fit joints.
  Note
When assembling screwed joints, be careful to comply with the prescribed torques, and when working on push-fit joints, be careful to use the disconnection tools provided.
O-ring
These O-rings seal the joints between the individual components of the refrigerant circuit. Use only seals that are resistant to refrigerant R134a an ...

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 ...

Other materials:

Warning and indicator lamps
First read and observe the introductory information and safety warnings  Lit up Possible cause   Solution The electronic parking brake is switched on. Do not drive on! Switch off electronic parking brake   . ...

Information stored in the control units
First read and observe the introductory information and safety warnings Your vehicle is factory fitted with electronic control units which are responsible for engine and gearbox management. The control units also monitor the function of the exhaust system and the airbags. These electronic ...

Removing and installing brake caliper, FS III front brake
Special tools and workshop equipment required     Torque wrench -V.A.G 1331-   Brake pedal actuator -V.A.G 1869/2- ...

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