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:

Dangers when handling vehicle batteries
Recognition and avoidance of dangers Batteries can be dangerous. These dangers can be avoided when the warnings on the battery, in the operating manual and in ELSA are observed.   WARNING ...

Renewing crankshaft oil seal - belt pulley end
Special tools and workshop equipment required     Assembly tool -T10485-   Puller hooks -T20143- Procedure ...

Removing and installing front footwell light -K269-, front passenger side
Removing     –  Using a flat screwdriver, press in locking lug -1- at point indicated by arrow -A-. –  Lever out footwell light -2-. –& ...

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