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:

Dimensions - lettering on rear lid
  Note When fitting the lettering, observe the fitting notes → Anchor. 1 -  Lettering Model designation. 2 -  Lettering Engine designation For technical designations without engine designation, a ...

2-pack plastic adhesion surfacer
Designation:   2-pack primer surfacer for plastics -LKF 696 009 A2-, white   2-pack primer surfacer for plastics -LKF 696 040 A2-, black Issued 08.2013 Product desc ...

Safety precautions when working in the vicinity of high-voltage components
Danger to life due to high voltage The high-voltage system is under high voltage. If high-voltage components are damaged, there is a risk of severe or fatal injury due to electric shock. –  Perform visual check of high-voltage components and high-v ...

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