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:

Renewing right oil seal
Renewing right oil seal, gearboxes with flange shaft Special tools and workshop equipment required Thrust piece -3305- ...

Removing and installing front right reading light button -E634-
Note The front right reading light button -E634- is an integral part of the front interior light -WX1- and cannot be removed individually. Removing – Remove front interior light -WX1- & ...

Cleaning stowage compartments, drink holders and ash trays
First read and observe the introductory information and safety warnings Cleaning stowage compartments and drink holders Some stowage compartments and drink holders have a removable rubber insert or felt insert in the base. Clean rubber inserts with a clean, lint-free and damp cloth. ...