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 gas strut
Removing Note The rear lid must be supported when a gas strut is removed. One gas strut alone cannot support an open rear lid. – Open rear lid and brace it open. ...

Knee airbags
Fig. 75 On the driver side: location of the knee airbag Fig. 76 Deployment zone of the knee airbag First read and observe the introductory information and safety warnings The knee airbag on the driver side is located in the lower part of the dash panel . The airbag location is identi ...

Removing and installing driver side footwell vents, LHD vehicles
Removing Pyrotechnic components may trigger unintentionally.Risk of injury.Discharge any static charge accumulated in your body by briefly touching striker plate for door. – Remove driver side ...