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 front vehicle level senders -G78-/-G289-
Special tools and workshop equipment
required
Torque wrench -V.A.G 1410-
Removing
–
Disconnect co ...
General information
Repair instructions for repair work on ABS
The ABS brake system is divided diagonally. The
servo-assistance is effected pneumatically by the vacuum brake
servo unit.
Vehicles with ABS are not fitted with a mechanical bra ...
Schematic diagram - coolant hoses, Golf GTE
Note
Currently, only the auxiliary heater function is available.
At the moment the auxiliary heater is not intended to be
operated as a supplementary heater. In vehicles with a
high-voltage system, the high-voltage heater (PTC) -Z115- is
...
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Vapour pressure