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:
Operating the cruise control system (CCS)
Fig. 161 On the left of the steering column:
switch and buttons for operating the CCS
Fig. 162 Left-hand side of the multifunction
steering wheel: buttons for operating the CCS
First read and observe the introductory information
and safety warnings
Function
...
Identification plates
There are different types of identification plates.
When the auxiliary heater is replaced, check the type plate
and the duplicate plate and replace as necessary.
Identification plate on ...
Removing and installing radiator grille
Removing
Note
On vehicles with a flap for the charging bay in the radiator grille,
the connector must be disconnected first.
–
Remove bolts -2-.
–
Release catc ...
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Expansion valve
Pipes and hoses in refrigerant circuit