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:
Assembly overview – plenum chamber bulkhead
1 -
Plenum chamber bulkhead
q
Removing and installing
→ Chapter
2 -
Hexagon nut
Qty. 2
8.0 Nm
3 -
Seal, plenum chamber bulkhead
...
Working on refrigerant circuit
Repairs requiring the opening of the refrigerant circuit
must only be carried out by specially trained personnel.
Notes on repairs to vehicles with air conditioning and on
handling refrigerant can be found in ELSA under
→ Air c ...
Safety precautions when painting natural gas-powered vehicles
DANGER!
Excessively high drying temperatures endanger life!
High temperatures increase the pressure in the tank for
natural gas or liquefied petroleum gas. Excessive
pressure can cause the tank for natural ...
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Expansion valve
Pipes and hoses in refrigerant circuit