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 brake and tail light bulb -M21-/-M22
Note Removal and installation are described for the left side. Removal and installation on the right side are carried out in the same way. Removing – Remove tail light cluster on body & ...

Assembly overview - three-point seat belt, 2-door model, with belt tensioner
1 - Belt inertia reel Removing and installing → Chapter 2 - Electrical wiring harness 3 - Bolt If removed due to an accident with seat belt fastened, renew bolt. 40 Nm 4&nbs ...

General information
The drive is provided by the test rig. For vehicles with a manual gearbox, ensure that the gear lever is in neutral for the test. For vehicles with an automatic gearbox, ensure that the selector lever is in »N«. ...