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:
Introduction
This chapter contains information on the following subjects:
→ The dangers of assuming an incorrect sitting position
→ Correct sitting position
→ Mechanical controls on the front seat
→ Electrical controls on the front seats
→ Adjusting ...
Removing and installing front 3-point seat belt, 2-door model
Removing
WARNING
Observe safety instructions for pyrotechnic
components
→ Chapter.
Observe disposal regulations ...
Instrument overview
Fig. 12 Instrument cluster in the dash
panel
First read and observe the introductory information
and safety warnings Descriptions of the instruments :
Rev. counter (running engine speed in revolutions x 1,000
per minute).
The start of the red zone on the dial indicates the ma ...
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Expansion valve
Pipes and hoses in refrigerant circuit