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:

Safety measures when working with pyrotechnic components
Safety measures when working with pyrotechnic components   Note The following are pyrotechnic components:   Airbag units   Belt tensioner ...

Removing and installing rear belt buckle
Removing –  Remove bench seat / single seats → Chapter. Right side: belt buckle with belt end fitting   Note The belt buckle with belt end fitting is part of the rear ...

Repairing rain and light sensor, Valeo
Remove rain and light sensor -G397- → Chapter.     –  Carefully remove sensor foil -2- or any sensor foil residues from rain and light sensor -G397--1-. ...

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