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:
Removing and installing window slot outer seal
Removing
Note
The core of the window slot outer seal is a metal insert.
If it is bent or distorted, the window slot outer seal
cannot be straightened out anymore. It will remain “wavy ...
Removing and installing tail light
Note
Removal and installation are described for the left side.
Removal and installation on the right side are carried out in
the same way.
If the event of a defective LED, the entire tail light needs
to be rene ...
Removing and installing fresh air blower -V2-, LHD vehicles
Note
If only the fresh air blower -V2- is defective, remove and
install fresh air blower control unit -J126-
→ Chapter.
Removing
Fresh air blower -V2- is accessible from footwell on front
...
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Expansion valve
Pipes and hoses in refrigerant circuit