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:

Assembly overview - crankcase breather system
1 - Hose For crankcase breather 2 - Cover For oil separator 3 - Oil separator Removing and installing → Chapter Renew if damaged ...

Other stowage compartments
Fig. 117 In the luggage compartment: side compartment First read and observe the introductory information and safety warnings Stowage areas in the luggage compartment Additional stowage compartments are located in the sides of the luggage compartment. The side walls can be removed by pull ...

Assembly overview - intake manifold
1 - Coolant pipe Clipped onto intake manifold. Removing and installing coolant pipe → Chapter 2 - Intake manifold Combined in one unit with charge air cooler Remov ...