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:

Operating Adaptive Cruise Control (ACC)
Fig. 169 Left-hand side of the multifunction steering wheel: buttons for operating the Adaptive Cruise Control (ACC) First read and observe the introductory information and safety warnings When the Adaptive Cruise Control (ACC) is switched on, the green indicator lamp in the instrument cl ...

Assembly overview - evaporator housing
  Note There are different designs and makes of heater and air conditioning unit. The individual components of the various heaters and air conditioning units are similar but not identical. The combined fitting of different makes of component ...

Assembly overview - belt pulley, Sanden air conditioner compressor
1 -  Nut 25 Nm   Note In order to protect the thread of the air conditioner compressor drive shaft an additional plastic cap is fitted (not shown in illustration). –  To unfasten and tighten the hex ...

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