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:

Cleaning off excess adhesive
– Use adhesive remover -D 002 000. 10- as cleaning agent. Observe the appropriate safety precautions when performing this work. WARNING When cleaning the vehicle interior, do not press ...

Removing and installing rear seat backrest cover and padding
Special tools and workshop equipment required Removal wedge -3409 Wedges -T10383- Removing – ...

Gear-change indicator
Fig. 140 In the instrument cluster display: gear-change indicator First read and observe the introductory information and safety warnings The instrument cluster display may, depending on the vehicle's equipment level, indicate which gear should be selected to reduce fuel consumption ...