Volkswagen Polo Service & Repair Manual: Refrigerant R134a Characteristics
Refrigerant R134a Environmental Information
Vehicle air conditioning systems make use of the
vaporization and condensation process. In this case, one works
with a substance which boils easily, designated as ref ...
Commercial Names and Designations
Refrigerant R134a is currently available under the following
trade names:
H-FKW 134a
SUVA 134a
...
Other materials:
Contaminants Removed from Refrigerant Circuit
The reservoir/receiver/dryer or dryer bag/cartridge should
not be replaced under the following conditions.
After an accident when there is no damage on the
reservoir/receiver/dryer.
The repair was done quickl ...
Warning and indicator lamp
First read and observe the introductory information
and safety warnings
Lit up
Possible cause
Solution
Dual clutch gearbox DSG® overheated.
Do not drive on!
Move the selector lever to position P and leave the gearbox
...
Refrigerant Circuit with A/C Service Station, Filling
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
