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

Volkswagen Golf Service & Repair Manual / Air conditioning system with refrigerant R134a / General information on refrigerant circuit / Refrigerant circuit components / 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:

Mobile telephone preparation, Bluetooth car phone online
The Bluetooth car phone is integrated in control unit 1 for information electronics -J794-. Connection to mobile telephone -R54- is established via Bluetooth. Aerial for Bluetooth -R152- is integrated into control unit ...

Removing and installing head restraint
Removing – Press release button -3- for height adjustment on head restraint guide -4- in -direction of arrow-. – At the same time pull head restraint -1- out of rear seat backrest -2- ...

Removing and installing daytime running light bulb -L174-/-L175-, gas discharge headlights
Note Removal and installation are described for the left side. Removal and installation on the right side are carried out in the same way. The left daytime running light bulb -L174- or right daytime running lig ...