Volkswagen Golf Service & Repair Manual: Trade names and designations
| Refrigerant R134a is currently available under the following
trade designations: |
 Note
| Other trade designations may be used in other countries. |
| Among the large selection of various refrigerants, only this
one may be used for vehicles. The designations Frigen or Freon
are trade names. They apply also to refrigerants which must not
be used in vehicles. |
|
|
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Colour
Like water, the refrigerant is colourless both in the vapour state and the
liquid state. Gases are invisible. Only the boundary layer between gas and
liquid is visible. (Fluid level in indicator tube of charging cylinder for
bubbles in sight glass.) Liquid refrigerant R134a may appear coloured (milky) in
a sight glass. This cloudiness is caused by partially dissolved refrigerant oil
and does not indicate a fault.
In an enclosed container that is not completely full,
refrigerant evaporates as vapour at the surface in a quantity
sufficient to form an equilibrium between vapour a ...
Other materials:
Gear oil
Draining and filling gear oil
Special tools and workshop equipment
required
Used oil collection and extraction unit -V.A.G 1782-
...
Removing and installing spray jet, GTI, GTD and »R«
Note
The spray jet is installed in the high-level brake light.
Removing:
–
Remove high-level brake light
→ Chapter.
–&nbs ...
Removing and installing radiator grille
Removing
Note
On vehicles with a flap for the charging bay in the radiator grille,
the connector must be disconnected first.
–
Remove bolts -2-.
–
Release catc ...
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Vapour pressure