Volkswagen Polo Service & Repair Manual: Refrigerant R134a Physical Data
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| 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:
Stowing items of luggage
First read and observe the introductory information
and safety warnings
Always stow all items of luggage in the vehicle securely.
Distribute items in the vehicle, on the roof and on the trailer as evenly
as possible.
Place heavy objects as far forward in the luggage compartment as po ...
An economic driving style
First read and observe the introductory information
and safety warnings Changing gear earlier
In principle, the highest gear is always the most economical gear. A rule of
thumb for most vehicles: at a speed of 30 km/h (19 mph) drive in 3rd gear, at 40
km/h (25 mph) in 4th gear and at 50 km/ ...
Ashtray in the drink holder
First read and observe the introductory information
and safety warnings
Fig. 104 Removable ashtray
To use, place the removable ashtray in one of the drink holders in the front
centre console or in the rear centre console .
Opening and closing the ashtray
To open, lift the ashtray cove ...
