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 - standard wheel
1 - Wheel Fitting wheels → Chapter 2 - Wheel bolts Different versions → Chapter 3 - Tyres → Chapter „Information on tyres“ ...

Assembly overview - wheel housing trim, saloon
Note The illustration shows the wheel housing trim on the left side. The right-hand side is similar (mirror image of left-hand side). I: Vehicles without side padding II: Vehicles with side padding 1 - Wheel housing tri ...

Removing and installing holder for heater and air conditioning unit
Note Leave the holders in the vehicle on removing the heater and air conditioning unit. The illustration shows a left-hand drive vehicle. Removing – Re ...