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:
Run-Flat Tire (PAX), Lettering On Side Wall
In contrast to conventional tires, other designations are
found on the tire flanks of PAX tires. In this way, these tires
can be allocated clearly.
PAX Tires, Designations
245 ...
Warning lamp and coolant temperature display
Fig. 138 Coolant temperature display in
instrument cluster: Ⓐ cold; Ⓑ normal; Ⓒ warning
First read and observe the introductory information
and safety warningsA display for the coolant temperature may be, depending
on the vehicle equipment, located in instrument cluster. In normal driv ...
Permitted Tread Depth - Variance
For all four wheels use only tires of the same construction
type, and tread.
Always use tires with the deepest tread depth on the front
axle.
Replacing one individual tire is always possible. The
vehicl ...
