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:

Using the selection menu in the instrument cluster
Fig. 16 Vehicles without a multifunction steering wheel: button ① on the windscreen wiper lever for confirming menu points, and rocker switch ② for changing menus and information displays Fig. 17 Right-hand side of the multifunction steering wheel: controls for using the menus and inform ...

Removing and installing curtain airbag with igniter, 2-door and 4-door models
Special tools and workshop equipment required Release tool -VAS 1978/17- from release tool case -VAS 1978/35- Removing ...

Removing and installing refrigerant pressure and temperature sender -G395
Special tools and workshop equipment required Torque wrench -V.A.G 1331/- (5…50 Nm) Engine bung set -VAS 6122- Air condit ...