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 window channel
Removing and installing window channel Note The removal and installation sequence is only for the left window channel. Removal and installation of the right window channel are similar. ...

Permissible deviation in tread depth
Only tyres of the same construction and tread pattern should be used on all four wheels. Always fit the tyres with the deeper tread to the front axle. It is basically possible to replace tyres individually. ...

Removing and installing inner door cover
Special tools and workshop equipment required Note Removal and installation are described only for the left cover. The right side is similar. Removing ...