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:

Checking radial and lateral run-out on wheel rim
–  Attach rim to wheel balancing machine. –  Use the centring system for wheel balancing machines -VAS 5271-. –  Preload tyre gauge approx. 2 mm. –  Tu ...

Removing and installing ESP sensor unit -G419-
The lateral acceleration sender -G200-, the yaw rate sender -G202- and the longitudinal acceleration sender -G251- are installed together with the control unit for electromechanical parking brake -J540- in the ABS control unit -J104-. Th ...

Aqua Premium system, blending system for 2-stage colours
Issued 04.2013 Product description/objectives To attain visually perfect colour transition in blending area or to adjacent parts such as wings or doors. Technical data sheet Substr ...

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