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:  → Information stickers and plates    → Using the vehicle in other countries and continents    → Radio reception and aerials    → Component protection    → Volkswagen repair information  ...

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 ...

Evacuation and charging valves for quick-release couplings of air conditioner service station on refrigerant circuit
Special tools and workshop equipment required Torque wrench -V.A.G 1783- (2…10 Nm) with 1/4" ratchet adapter -VAS 6234-   WARNING Danger of freezing injuries. ...

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