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:

Starting conditions for auxiliary heater, auxiliary heater mode
  Auxiliary heater coded in Gateway Reserve fuel level not reached No crash shut-off No event entries blocking start procedure Has been put into servic ...

Anti-corrosion wax
Designation: Anti-corrosion wax -AKR 321 M15 4- Anti-corrosion wax -AKR 321 M16 10- Issued 04.2009 Product description Anti-corrosion wax -AKR 321 M15 ...

Overview of fitting locations - airbag crash sensors
1 -  Side airbag crash sensor, front passenger side -G180- Location: in door Safety precautions when handling crash sensors (pressure sensors) for front side airbags → Chapter Removing and installing → Chapter 2 -&n ...

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