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:

Removing and installing suction-jet pump
On vehicles with four-wheel drive the fuel tank is divided into a left and a right chamber. A suction-jet pump -2- is used for delivering fuel from the left fuel tank chamber to the baffle housing of the fuel delivery unit -1- on the right. ...

Front camera for assist systems
Removing and installing front camera for driver assist systems Removing –  Switch off ignition and all electrical consumers. –  If ignition key is present, disengage in position ...

Removing and installing bulbs for cornering light -L148-/-L149-
  Note Left cornering light bulb -L148- and right cornering light bulb -L149- are only fitted on gas discharge headlights. Removal and installation are described for the left side. Removal and installation on the right ...

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