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:
Removing and installing window regulator motor -V26-/-V27
Special tools and workshop equipment
required
Note
Removal and installation are only described for the
left window regulator motor. ...
Cleaning water drain hoses
Special tools and workshop equipment
required
Cleaning and pull-in cable -VAS 6620-
Front water drain hose
The front water d ...
Acoustic and optical ParkPilot signals
Fig. 150 ParkPilot display of the area
around the vehicle (colour)
Fig. 151 Mini ParkPilot display of the
area around the vehicle (colour)
First read and observe the introductory information
and safety warnings
Key
and
Meaning
...
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Vapour pressure