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.
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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:

Removing and installing headlight range control motor -V48-/-V49-, LED headlights
Special tools and workshop equipment required     Torque screwdriver -VAS 6494-   Note Removal and installation are described for the left side. Removal and installa ...

Indicator lamp
First read and observe the introductory information and safety warnings  Lit up Possible cause Solution Windscreen washer fluid level too low. Fill up the washer fluid reservoir as soon as possible   . Several warnin ...

Removing and installing C-pillar trim, saloon
  Note Removal and installation are described for the left vehicle side. Follow same instructions for the right side as appropriate. Special tools and workshop equipment required     ...

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