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:

Air conditioner service and recycling equipment
At present, various manufacturers offer air conditioner service devices on the market for evacuating, cleaning and charging refrigerant in vehicle air conditioning systems.     ...

Assembly overview - suspension strut, shock absorber, spring, torsion beam axle
1 -  Bolt Renew after removing 50 Nm +45° 2 -  Shock absorber Removing and installing → Chapter Defective shock absorbers must always be degassed and drai ...

Removing and installing bracket for washer fluid reservoir, »R«
Removing –  Remove washer fluid reservoir → Chapter.     –  Remove nuts -2-. –  Remove bracket -1- from vehicle ...

© 2016-2020 Copyright www.vwgolf.org