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:
Diesel particulate filter
First read and observe the introductory information
and safety warningsThe diesel particulate filter filters out soot particles
in the exhaust gas. The soot particles gather in the filter and are burnt under
high temperatures periodically (regeneration). Heat produced can
warm the engine.
...
A/C Compressor with A/C clutch
Caution
Non-approved tools or materials such as leak sealing
additives can cause damage or malfunctions in the
system.
Only use tools and materials approved by the
manufactu ...
Introduction
This chapter contains information on the following subjects:
→ Operating ParkPilot
→ Acoustic and optical ParkPilot signals at the rear of the vehicle
The ParkPilot assists the driver when manoeuvring and parking.
The ultrasound sensors in the rear bumper transmit and recei ...
