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:

Checking shock absorbers when removed
Defective shock absorbers can be identified by loud rumbling noises when driving, caused by wheel hopping, especially on bad roads. Heavy fluid leakage is an additional visual indication.   Note Shock absorbers are maintenance-fre ...

Introduction
This chapter contains information on the following subjects:  → Overview of the menu structure    → Using the selection menu in the instrument cluster    → Button for the driver assist systems    → Selection menu   → Driving data    →  ...

Temporarily switch off the area monitoring system (Front Assist) in the following situations
First read and observe the introductory information and safety warnings The area monitoring system (Front Assist) should be switched off in the following situations due to system limitations  : If the vehicle is being towed. If the vehicle is on a rolling road test bed. If t ...

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