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 intake manifold
Special tools and workshop equipment required Release tool -T10527- Release tool -T10527/1- Removing – Remove air filter housing → Chapte ...

Removing and installing C-pillar trim, saloon
Note Removal and installation are described for the left vehicle side. Follow same instructions for the right side as appropriate. Special tools and workshop equipment required ...

Removing and installing retaining plate for manually operated or automatic anti-dazzle interior mirror, without rain and light sensor -G397- and front camera for driver assist systems -R242
Materials Glass-metal adhesive kit “D 000 703 A1” Special tools and workshop equipment required Glass scraper (commercially available) -1- ...