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:

Ashtray in the drink holder
First read and observe the introductory information and safety warnings Fig. 123 Removable ashtray To use, place the removable ashtray in one of the drink holders in the front centre console or in the rear centre armrest . Opening and closing the ashtray To open, lift the ashtray ...

Removing and installing remote control receiver for auxiliary coolant heater -R149-, Golf Variant
Note If the remote control receiver for auxiliary coolant heater -R149- is renewed, the remote control receiver for auxiliary coolant heater -R149- needs to be adapted to the auxiliary and supplementary heater using the vehicle diagnostic tester ...

Assembly overview - data bus diagnostic interface
1 - Electrical connector For data bus diagnostic interface -J533- 2 - Data bus diagnostic interface -J533- Removing and installing → Chapter 3 - Bolt Spe ...