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:
Test preparations, wheel alignment with driver assist systems
The following steps are required if one or more driver
assist systems on the vehicle are to be calibrated via the
“Quick-start” procedure (i.e. without first checking and
adjusting the wheel alignment):
Before driving the vehic ...
Sun visors
Fig. 84 Sun visor
First read and observe the introductory information
and safety warnings Various positions for the driver and front passenger
sun visors:
Folded down over the windscreen.
Pulled out of the bracket and swung over towards the door .
Vanity mirror light
A vani ...
Renewing oil seal for inner input shaft
Special tools and workshop equipment
required
Oil seal extractor -T10420-
Thrust piece -T10421-
Requireme ...
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Expansion valve
Pipes and hoses in refrigerant circuit