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:
Safety precautions when working on fuel supply system
Risk of injury due to highly-pressurised fuel.
The fuel system is under high pressure. Risk of injury due to fuel
which may spurt out.
–
Release high pressure before opening the fuel system.
& ...
Removing and installing door handle
Removing
Note
Removal and installation are described only for the right
door handle. The left side is similar.
General information and work instructions for the door handle
key ...
Removing and installing tail light in rear lid
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 ...
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Expansion valve
Pipes and hoses in refrigerant circuit