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:
Notes on tow-starting
First read and observe the introductory
information and safety warnings
Vehicles should not be tow-started wherever possible. Use jump leads
to start the engine instead .
For technical reasons, the following vehicles cannot be
tow-started:
Vehicles with an automatic gearbox.
If ...
Tyre Pressure Loss Indicator
Fig. 124 In the stowage compartment on
the front passenger side: button for the Tyre Pressure Loss Indicator
First read and observe the introductory information
and safety warnings The Tyre Pressure Loss Indicator uses data
from the ABS sensors and other functions to check the speed of rot ...
Refrigerant Circuit, Tracing Leaks, with Electronic Leak Detector -VAG1796
Note
This repair manual describes different methods for detecting
leaks in the refrigerant circuit. These methods have been tested
and result in success when used correctly.
If when searching for compressed air / Nit ...
