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:

Introduction
This chapter contains information on the following subjects:  → Warning lamp and coolant temperature display    → Coolant specification    → Checking the coolant level and refilling coolant   Never carry out any work on the engine coolant system if you are not famili ...

Removing and installing control unit and hydraulic unit, LHD vehicles, diesel engine
Special tools and workshop equipment required Torque wrench -V.A.G 1331- Torque wrench -V.A.G 1410- Brake pedal depressor -V.A.G 1869/2-         Sealing plugs, assemb ...

Removing and installing lid for through-loading aperture
Special tools and workshop equipment required         Torque wrench -V.A.G 1410 Removing –  Fold down centre armrest and open lid f ...

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