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 - control units, RHD vehicles
1 -
Bracket
For onboard supply control unit -J519-
Removing and installing
→ Chapter
2 -
Onboard supply control unit -J519-
Removing and installing
→ Chapter
...
Introduction
This chapter contains information on the following subjects:
→ Information stickers and plates
→ Using the vehicle in other countries and continents
→ Radio reception and aerials
→ Component protection
→ Volkswagen repair information ...
Mounting tyre
Ensure that the wheel rim is clean.
–
Insert new tyre valve with -VAS 6459--1-.
–
Unscrew and remove valve insert.
–
Infl ...
© 2016-2026 Copyright www.vwgolf.org
Expansion valve
Pipes and hoses in refrigerant circuit