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. |
|
|
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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 emblem with model designation, “R”
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
Note
Only remove when radiator grille -3- is
removed.
Removing
...
Rodent proofing
First read and observe the introductory information
and safety warnings Rodent proofing equipment is made up of special brushes
and casings and impedes entry to the engine compartment by rodents when the bonnet
is shut. This prevents damage caused to components by rodent bites.
NOTICE
If ...
Removing and installing dust and pollen filter, RHD vehicles
Special tools and workshop equipment
required
Commercially available vacuum cleaner
Cover plate -T10532-
Removal wedge -3409-
...
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Expansion valve
Pipes and hoses in refrigerant circuit