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:

1-pack wash primer
Designation:   1-pack wash primer -LVM 044 007 A2-, light grey   1-pack wash primer -LVM 044 171 A2-, dark grey Issued 08.2013 Product description ...

Removing and installing heat exchanger for high-voltage battery
Special tools and workshop equipment required Hose clamps, up to 25 mm -3094- Engine bung set -VAS 6122- Pliers for spring-type clips -VAS 5024A- Cooling sy ...

Securing child seats with a seat belt
First read and observe the introductory information and safety warnings It is permissible to fasten child seats with universal written on the orange label to the seats using the seat belt, but only on the seats marked in the table with a u. Weight class Fr ...

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