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 guide plate
Special tools and workshop equipment required Removing Torque wrench -V.A.G 1783- Note The guide rails and the securing b ...

Charging battery in maintenance mode with battery charger -VAS 5903-
Note When a battery is being charged in the maintenance mode and an electrical consumer draws current from the battery, the battery charger -VAS 5903- automatically compensates the charge. The maintenance mode can be ...

Dimensions – lettering on wing
Note The dimensions shown here for “GTI” as an example are valid for all emblems. 1 - Emblem Variations in appearance possible depending on the (special) model. 2 - Height dimension 5.0 ± 1 mm, fr ...