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 ignition key battery
Removing
–
Folding out key bit -1--arrow a-.
–
Use a small screwdriver -3- to
raise the cover of battery compartment
-2--arrow b-.
...
Minimum curing periods for bonded windows
WARNING
There are special requirements for renewing bonded
windows. One of these standards is, for example, that a
freshly bonded windscreen must comply with the safety
requirements, even in an accident, fo ...
Fitting a bicycle carrier on the mechanically positioned ball coupling
First read and observe the introductory information
and safety warnings The maximum permitted load on a bicycle carrier mounted
on the ball coupling is 80 kg at a distance of 300 mm. This distance
refers to the gap between the centre of gravity of the bicycle carrier (complete
with bicycle ...
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Expansion valve
Pipes and hoses in refrigerant circuit