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 LED modules for daytime running light and side light -L176-/-L177- (does not apply for “GTE”)
Note Left LED module for daytime running light and side light -L176- and right LED module for daytime running light and side light -L177- are only fitted on gas discharge headlights. The daytime running light and sid ...

Overview of fitting locations- sound system, vehicles with Dynaudio sound system
On vehicles equipped with a Dynaudio sound system, high-quality Dynaudio loudspeakers can be found at standard fitting locations. The Dynaudio sound system can be identified by the lettering Dynaudio on front treble loudspeaker trims. A subwoofer install ...

Tyre pressure
Fig. 201 On the inside of the tank flap: tyre inflation pressure label First read and observe the introductory information and safety warnings The correct tyre pressure for factory-fitted tyres is shown on a sticker and applies to all-season, summer and winter tyres. The sticker is l ...