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:

Measurement location
Note The vehicle shown in the illustration may differ from the actual vehicle. 1 - Volkswagen logo Laser pointer aligned to centre of Volkswagen logo 2 - Wheel centre mounting -VAS 6350/1- ...

Removing and installing rear treble loudspeakers -R14-/-R16-, 4-door
Rear left treble loudspeakers -R14-/rear right treble loudspeakers -R16- are located in rear door trim panels. Note If the treble loudspeaker must be renewed, the loudspeaker grille must also be renewed. ...

Removing and installing output module 2 for headlights, »R«
WARNING Risk of death due to high voltage! Risk of injury and environmental pollution! Observe operation and safety notes for gas discharge bulbs → Chapte ...