VW Golf manuals

Volkswagen Golf Service & Repair Manual: O-ring

Use only O-rings that are resistant to refrigerant R134a and related refrigerant oils. O-rings are no longer colour-coded. Coloured and black O-rings are used.
Check that the O-rings used have the correct internal diameters.
→ Rep. gr.87
→ Parts catalogue
Never reuse O-rings.
Before installing, moisten O-rings lightly with refrigerant oil (PAG oil).
  Note
When purging components with compressed air and nitrogen, always collect the gas mixture exiting the component with suitable exhaust gas extraction equipment (workshop fume extractor).
After completion of repair work screw sealing caps (with seals) onto valve and service connections.
Before operating the air conditioning system. Check the vehicle-specific charge quantities → Rep. gr.87.
Do not top up a charged refrigerant circuit; discharge refrigerant present and recharge system.
Basics for working on refrigerant circuit
Observe instructions specific to the workplace; → Volkswagen ServiceNet; Handbooks; Service handbook; Environmental protection. Refrigerant from air c ...

Before operating the air conditioning system after recharging with refrigerant
After installing a new air conditioner compressor or filling with fresh refrigerant oil (e.g. after blowing out refrigerant circuit), turn compressor pulley 10 r ...

Other materials:

Service interval display
Fig. 14 In the instrument cluster display, A: Service warning, B: Service due Fig. 15 Service information display in the infotainment system First read and observe the introductory information and safety warnings The service display is shown on the instrument cluster   and in the inf ...

2-pack HS Performance clear coat
Designation: 2-pack HS Performance clear coat -LZK 769 K06 A5- Issued 08.2012 Product description 2-pack HS Performance clear coat is a high-gloss, VOC compliant, high-solid ...

Removing and installing coupling rod
Special tools and workshop equipment required     Torque wrench -V.A.G 1332- Removing –  Raise vehicle.   ...

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