Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data
|
| Chemical formula | CH2F–CF3 or CF3–CH2F |
| Chemical designation | Tetrafluoroethane |
| Boiling point at 1 bar (14.5 psi) | -26.5 °C (-15.7 °F) |
| Solidification point | -101.6 °C (-150.88 °F) |
| Critical temperature | 100.6 °C (213 °F) |
| Critical pressure | 40.56 bar absolute (588 psi) equals 39.5 bar pressure (573 psi) |
Critical Point
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 ...
Other materials:
Using a mobile telephone in the vehicle without a connection to the external
aerial
First read and observe the introductory information
and safety warningsBoth during telephone calls and in standby mode, mobile
telephones transmit and receive radio waves, which may also be termed "high-frequency
energy". Current scientific literature warns us that radio waves can be harmful
...
Repairs and technical modifications
First read and observe the introductory information
and safety warningsRepairs and modifications must always be carried
out according to Volkswagen specifications .
Unauthorised modifications to the electronic components or software in the vehicle
may cause faults. As the electronic componen ...
Switching the TCS on and off
Fig. 116 In the centre console: button
for switching the TCS on and off manually
First read and observe the introductory information
and safety warnings The electronic stability control (ESC) only
functions when the engine is running. It consists of ABS, EDL and TCS.
When the engine is r ...
