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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:

Changing gear using Tiptronic
Fig. 113 Selector lever in Tiptronic position (left-hand drive) The controls are mirrored for right-hand drive vehicles Fig. 114 Steering wheel with paddles for Tiptronic First read and observe the introductory information and safety warnings Using Tiptronic, the gears can be shifted u ...

Maximum permitted gross combination weight
First read and observe the introductory information and safety warnings All data in the official vehicle documents take precedence over these data. All data in this manual apply to the basic model. The vehicle data sticker in the service schedule and the official vehicle documents show which ...

Bag hook
Fig. 89 In the luggage compartment: bag hook First read and observe the introductory information and safety warnings Bag hooks can be found to the left and right in the luggage compartment. Light shopping bags can be secured here . WARNING Never use the bag hooks as fastening rings for s ...

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