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 reversing camera -R189-
Reversing camera and swivel motor are each installed in individual housings together in swivel badge of rear lid. To remove camera housing, remove first both components together with swivel badge from rear lid. Afterwards, camera housing together with sw ...

Spare wheel or temporary spare wheel
Fig. 203 In the luggage compartment: handwheel for securing the spare wheel First read and observe the introductory information and safety warnings Removing the spare wheel Open the tailgate and lift up the luggage compartment floor until it is held in position by the side restraints ...

Tyre sizes for vehicles with four-wheel drive
The following points must be observed for vehicles with four-wheel drive: Only tyres of the same make, design and tread pattern may be fitted to the front and rear axles. Different tyre rolling circumferences ...