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:

Removing and installing spray jet, Golf
Note The spray jet is installed in the high-level brake light. Removing: – Remove high-level brake light → Chapter. –&nbs ...

Test preparations, wheel alignment with driver assist systems
The following steps are required if one or more driver assist systems on the vehicle are to be calibrated via the “Quick-start” procedure (i.e. without first checking and adjusting the wheel alignment): Before driving the vehic ...

Drink holders in the rear centre armrest
Fig. 120 Drink holder in rear centre armrest: examples of ways to adjust drink holder for different purposes Fig. 121 Drink holders in the rear centre armrest First read and observe the introductory information and safety warnings To open, fold the centre armrest down. To close ...