Test after driving for 10 minutes
IntroductionVolkswagen Touran Service Manual. "2 Color" Visual Indicator, Checking
WARNING
Risk of injury. Follow all Warnings and Safety
Precautions. Refer to
→ Chapter "Warnings and Safety Precautions".
Visual Indicator General Information
...
Volkswagen Touran Service Manual. Refrigerant R134a
Refrigerant R134a Physical Data
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 refrigerant.
The refrigerant employed is tetraf ...