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:
Checklist
In some countries, special safety standards and emissions-related
legislation apply that may differ from the construction of the vehicle. Volkswagen
recommends that you visit your Volkswagen dealership before travelling abroad
to find out about any legal requirements and the following is ...
Assembly overview – Brake system pressure accumulator -VX70-, LHD vehicles
1 -
Brake system pressure accumulator -VX70-
Removing and installing
→ Chapter
2 -
Bracket
Check for secure seating after installing
3 -
Bolt
8 Nm
...
Special connector systems
Note
If necessary, any housing catches in place (secondary
locking mechanisms) must be released or removed prior to
disengaging the contacts using the prescribed tool
→ Chapter.
...
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Expansion valve
Pipes and hoses in refrigerant circuit