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:

Additional information
Technical Service Handbook with measures for rectifying latest malfunctions. Workshop manual for service work specific to model → Heating, air conditioning; Rep. gr.87. → Current ...

Checking swivel joint
Checking axial play – Firmly pull suspension link down in -direction of arrow- and press up again. Checking radial play – Press l ...

Folding the front passenger seat backrest forwards
Fig. 55 Folding the front passenger seat backrest forwards Fig. 56 Unlatching the folding front passenger seat backrest First read and observe the introductory information and safety warnings The front passenger seat backrest can be folded forwards to a horizontal position. The front ...