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:

Parking using the Park Assist system
Fig. 158 Parking space detected. A: parallel parking, B: perpendicular parking Fig. 159 In the lower section of the centre console: button for switching on the Park Assist system manually First read and observe the introductory information and safety warnings Preparation for parking ...

Removing tyre from wheel
Tyres which have been filled or sealed using tyre sealant must be drained before removal. Caution Avoid eye and skin contact with tyre sealant. It is a ...

Assembly overview - sill panel moulding
Note The illustration shows the sill panel moulding on the left side. The right-hand side is similar (mirror image of left-hand side). I: sill panel moulding, 4-door model II: sill panel moulding, 2-door model 1 - Sill ...