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:

Rear brakes
Rear brakes FNc-M38 (15”): Item PR No. 1KE / 1KV 1 Brake caliper FNc-M38 (15”) 2 Brake pad, thickness mm 11 Brake pad, wear limi ...

Overview of fitting locations - auxiliary heater
1 - Auxiliary heater With auxiliary heater control unit -J364-. Removing → Chapter 2 - Nut 20 Nm 3 - Electrical connectors 4 -&nbs ...

Exterior mirrors
Fig. 94 In the driver door: rotary knob for the exterior mirrors First read and observe the introductory information and safety warnings When the ignition is switched on, turn the rotary knob to the desired position: Fold exterior mirr ...