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:

Dimensions - lettering on rear lid, “GTI/GTD”
  Note When fitting the lettering, observe the fitting notes → Anchor. 1 -  Lettering Model designation 2 -  Height dimension 75.5 ± 1 mm, from lower edge of lettering to tail light. ...

Removing automatic distance control unit from and installing on retaining plate, variant 2
  Note If the automatic distance control unit -J428- is renewed, start the respective function → Vehicle diagnostic tester. Special tools and workshop equipment required     ...

Identification
Engine number, engine data     The engine code and the engine number are located on the sticker -arrow- on the upper toothed belt guard. The engine code is also on the vehicle data sti ...

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