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Volkswagen Polo Service & Repair Manual: Refrigerant R134a Environmental Information

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 refrigerant.
The refrigerant employed is tetrafluoroethane R134a, which boils at -26.5 °C (-15.7 °F) at a vapor pressure of 1 bar (14.5 psi).
R134a is a fluorocarbon and contains no chlorine.
R134a has a shorter atmospheric life span than refrigerant R12.
R134a does not damage the ozone layer. The ozone depletion potential is zero.
The greenhouse potential of R134a (Global Warming Potential = GWP) is approximately 1430 (the GWP of carbon dioxide is 1).
The global warming effect of R134a is ten times less than that of refrigerant R12.
   
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 ...

Refrigerant R134a Characteristics
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Other materials:

Sun visors
Fig. 70 Sun visor First read and observe the introductory information and safety warnings Various positions for the driver and front passenger sun visors: Folded down over the windscreen. Pulled out of the bracket and swung over towards the door . Vanity mirror light There is a v ...

Switching lights on and off
Fig. 68 Next to the steering wheel: examples of the various light switches First read and observe the introductory information and safety warnings Observe any country-specific regulations when using vehicle lighting. In vehicles with a factory-fitted towing bracket, the vehicle's rear fog ...

Two-Part Clear Coat
Definition: Two-Part Clear Coat -LLS MAX 210- Edition 12/2010 Product Description The Two-Part Clear Coat - LLS MAX 210- is a high-gloss two-component clear coat for long-las ...

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