VW Golf manuals

Volkswagen Golf Service & Repair Manual: 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 ignition/starter switch
Removing –  Remove lower steering column trim → General body repairs, interior; Rep. gr.68.     –  Disconnect electrical connector -1-. ...

Introduction
This chapter contains information on the following subjects:  → Opening or closing the electric panorama sliding/tilting roof    → Function of the electric panorama sliding/tilting roof    → The roll-back function for the electric panorama sliding/tilting roof   Ad ...

Continuation of checking pressures
Where vehicles have a restrictor and reservoir, check these (with internally regulated air conditioning system compressor) → Chapter. Where vehicles have an expansion valve and receiver, check these (with internally regul ...

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