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:

Safety precautions for working on vehicles with auxiliary heater
Danger of fire and explosion from auxiliary/supplementary heater In fire and explosion-endangered areas a spark or the high temperature of the auxiliary/supplementary heater can cause a fire or an explosion. Burn injuries are also possible. –  Swit ...

Introduction
This chapter contains information on the following subjects:  → Stowage compartment on the driver side    → Stowage compartment in the roof console (glasses compartment)    → Stowage compartment in the front centre console    → Stowage compartment in the front ...

Removing and installing headlight dipped beam bulb (dual halogen headlights)
  Note Left headlight dipped beam bulb -M29- and right headlight dipped beam bulb -M31- are only fitted on dual halogen headlights. Removal and installation are described for the left side. Removal and installati ...

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