VW Golf manuals

Volkswagen Golf Service & Repair Manual: O-ring

These O-rings seal the joints between the individual components of the refrigerant circuit.
Use only seals that are resistant to refrigerant R134a and its associated refrigerant oils. This is assured by using genuine replacement parts.
→ Parts catalogue
O-ring:
Never reuse seals!
Check that diameters -a- and -b- are correct.
Before fitting a seal, coat it lightly with refrigerant oil.
  Note
The colour coding of O-rings for R134a refrigerant circuits has been discontinued. Coloured and black O-rings are used.
→ Rep. gr.87
→ Parts catalogue
 

O-ring

Expansion valve
The expansion valve atomises incoming refrigerant and regulates the flow so that, depending on the heat transport, the vapour does not become a gas until it reaches t ...

Pipes and hoses in refrigerant circuit
The mixture of refrigerant oil and refrigerant R134a attacks certain metals (e.g. copper) and alloys and dissolves certain hose materials. Therefore, always use genui ...

Other materials:

Assembly overview - brake servo/brake master cylinder, LHD vehicles
  Note Only use new brake fluid conforming to VW standard (VW 501 14).     1 -  Self-locking hexagon nut Always renew after removing Bolting sequence U ...

Renewing needle bearing in crankshaft
Only vehicles with a dual clutch gearbox Special tools and workshop equipment required     Adapter Kukko -22/1-   ...

Indicator lamps and fuel gauge
Fig. 187 In the instrument cluster: fuel gauge for petrol and diesel First read and observe the introductory information and safety warnings  Lit up Needle position   Possible cause   Solution Red mark ...

© 2016-2026 Copyright www.vwgolf.org