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:
2-pack steel filler set
Designation:
2-pack steel filler set -DA 787 300 A2-
Issue 09.2012
Product description
This filler is a polyester filler with a powdered metal
mixture for the creation ...
Cleaning wheels
First read and observe the introductory information
and safety warnings Cleaning steel wheels
Accumulated brake dust can only be removed with an industrial cleaner. Steel
wheels should therefore be cleaned regularly with a separate sponge.
Any damage to the paint on steel wheels should be t ...
Removing and installing wiper motor -V-
Special tools and workshop equipment
required
Torque wrench -V.A.G 1410-
Torque wrench -V.A.G 1331-
Note ...
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Expansion valve
Pipes and hoses in refrigerant circuit