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:
General Information
All components of the refrigerant circuit submitted for
quality observation are always to be sealed (use original
sealing caps of original part).
To date, the original parts (compressor, reservoir,
receiver/dryer, evaporator and co ...
Refrigerant Circuit Connections with Valve for Switches
Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
Refer to
→ Rep. Gr.87.
...
Corrective Action When Vehicle Pulls to One Side
Test Conditions Before and During the Road Test
–
Check all suspension components on front and rear axle for
damage.
–
Check tire pressure and correct if necessary.
– ...
