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:
Checking shock absorbers when removed
Defective shock absorbers can be identified by loud rumbling
noises when driving, caused by wheel hopping, especially on bad
roads. Heavy fluid leakage is an additional visual indication.
Note
Shock absorbers are maintenance-fre ...
Adjusting striker pin
Special tools and workshop equipment
required
Torque wrench -V.A.G 1331-
Socket -3410-
Note
Threaded ...
Assembly overview - impact bar
Volkswagen R GmbH, optional equipment, “R Line” and “R”
1 -
Impact bar
Different versions, allocation
→ Electronic Parts Catalogue “ETKA”
Removing and installing
→& ...
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Expansion valve
Pipes and hoses in refrigerant circuit