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:
Removing and installing moulded headliner, saloon
Special tools and workshop equipment
required
Wedges -T10383
Release pliers -VAS 6427
Removing
...
Removing and installing air intake duct
Note
The illustration shows a left-hand drive vehicle. The
removal and installation procedure is identical for both
versions.
Removing
–
Remove dash pa ...
Instructions for checking
The following instructions are intended to help you find the
causes of problems effectively and objectively in the event of
complaints about the brake servo or in the event of a so-called
»hard brake pedal«.
This check relates to the fo ...
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Expansion valve
Pipes and hoses in refrigerant circuit