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:

Front view
Fig. 2 Overview of the front of the vehicle Key for : Sensor or camera window on the mirror base for: Rain sensor Main beam assist (Light Assist) Lane departure warning system (Lane Assist) Road sign recognition Windscreen W ...

Assembly overview - rear belt buckle
1 - Left double belt buckle With rear belt switch, driver side -E258- Removing and installing → Chapter Always renew after belt tensioner has deployed with seat belt fastened Press on belt buckle when bolting it on Must rest flat against cont ...

Adjusting clutch engagement
The position of the engagement bearings “K 1” and “K 2” must only be adjusted after the following work: Clutch has been renewed. Engaging levers were renewed. Small ba ...