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:

Operating the cruise control system (CCS)
Fig. 161 On the left of the steering column: switch and buttons for operating the CCS Fig. 162 Left-hand side of the multifunction steering wheel: buttons for operating the CCS First read and observe the introductory information and safety warnings Function ...

Removing and installing condensation drain (RHD)
Removing – Remove right centre console trim in footwell → General body repairs, interior; Rep. gr.68. – Carefully push floor covering aside and cover it in area under condensati ...

Removing and installing hinges
Special tools and workshop equipment required Note Removal and installation are described for the right hinge only. Removal and installation of the left hinge are similar. ...