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 rear senders
Removing – Remove rear wheel housing liner → General body repairs, exterior; Rep. gr.66. – Press both locking lugs in direction of arrow ...

Overview of fitting locations - components not located in passenger compartment, Golf Variant LHD
1 - Exhaust ventilation for passenger compartment Checking → Chapter Removing and installing → Chapter 2 - Ambient temperature sensor -G17- Removing and installing ...

Removing and installing brake pedal
It is not possible to remove the brake pedal separately. – To be able to remove it, pedal cluster/mounting bracket needs to be removed first → Chapter. Note Removing brake pedal wi ...