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:
Introduction
This chapter contains information on the following subjects:
→ Display and warning and indicator lamp
→ Operating the speed limiter
The speed limiter helps the driver not to exceed an individual stored speed when
driving forwards at speeds of approximately 30 km/h (20 m ...
Removing and installing wing
Special tools and workshop equipment
required
Torque wrench -V.A.G 1783-
Removing
Note
Removal and installati ...
Removing and installing rear lid
Special tools and workshop equipment
required
Removing
Torque wrench -V.A.G 1331-
–
Remove upper rear lid trim
→ Genera ...
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Vapour pressure