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:

Switching the auxiliary heater on or off
First read and observe the introductory information and safety warnings  Switching on the auxiliary heater:   Manually with the immediate heat button in the air conditioning controls. The indicator lamp in the button lights ...

Assembly overview - water deflector
  Note The right side is shown. The left side is similar. 1 -  Water deflector Removing and installing → Chapter 2 -  Retaining strip –  During removal, drill out rivet heads and cho ...

Preparing old undamaged windows for fitting
Cutting back adhesive bead   WARNING Keep bonding surface free of dirt and grease. Do not treat bonding surface with activator immediately after cutting back. Do not pr ...

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