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:
Adjusting wiper arm
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
–
Remove wiper arm
→ Chapter.
–
Switch ...
Distinguishing features of jointless wiper blades
Distinguishing features of Bosch and Federal Mogul products.
When renewing wiper rubbers, note the make. When renewing
wiper blades, the same make must be used.
Wiper blades can be identified according to wiper arm
...
Possible complaints about refrigerant circuit
Note
The air conditioning system is operating correctly if the
air emerging from the vent on the dashboard is at a temperature
of 7oC or less.
Set the Climatronic to: “LO”.
Set the ai ...
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Expansion valve
Pipes and hoses in refrigerant circuit