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. |
| 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. |
|
|
|
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 ...
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:
Checklist
To ensure your own safety and the safety of your passengers, observe
the following actions in the specified order :
Stop the vehicle at a safe distance away
from moving traffic and on a suitable surface .
Switch on the hazard warning lights using
the button .
Switch on the ...
Assembly overview - centre armrest
1 -
Intermediate padding
Allocation
→ Electronic Parts Catalogue
Removing and installing
→ Chapter
2 -
Centre armrest
Removing and installing
→ Chapter
3 -
Lid
...
Removing automatic distance control unit from and installing on retaining
plate, variant 1
Removing:
→ Anchor
Installing:
→ Anchor
Adjusting adjustment screws:
→ Anchor
Renewing clips on adaptive cruise control unit -J428-:
→ Anchor
...
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Expansion valve
Pipes and hoses in refrigerant circuit