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:

Assembly overview - side padding
1 - Side padding Allocation → Electronic Parts Catalogue Removing and installing → Chapter 2 - Mounting grommet Clipped into side padding bracket. Renew if damaged 3 - Side pa ...

Cleaning windows and exterior mirrors
First read and observe the introductory information and safety warnings Cleaning windows and exterior mirrors Moisten the windows and exterior mirrors with commercially available, alcohol-based glass cleaner. Dry the glass surfaces with a clean chamois leather or a lint-free cloth. Chamois ...

Front centre armrest
Assembly overview - front centre armrest 1 - Front centre armrest Removing and installing → Chapter Removing and installing front centre armrest Removing and installing front centre armrest &nbs ...