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:

Moving to and back from service position
Special tools and workshop equipment required Guide pins -T10093- Adapter -T10467- ...

Removing and installing front seat
Note Removal and installation is described for the left seat. Apply the same instructions for removal and installation of the right seat as appropriate. Removal and instal ...

Repair instructions
Contact corrosion Contact corrosion can occur if unsuitable fastening elements (screws, bolts, nuts, washers) are used. For this reason, only connecting elements with a special surface coating have been fitted. In addit ...