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. |
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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:
Evaporator Vent Temperature Sensor -G263- or Evaporator Temperature Sensor
-G308
Function:
The Evaporator Vent Temperature Sensor -G263- or Evaporator
Temperature Sensor -G308- determines the temperature behind the
evaporator. This value goes to the air conditioning control
module and serves as a reference signal for ...
Correct sitting position
Fig. 35 There must be a distance Ⓐ of
at least 25 cm between the driver and the steering wheel.
Fig. 36 Correct seat belt routing and
head restraint adjustment
First read and observe the introductory information
and safety warnings
The following details the correct sitting positions for ...
Cross-Section of a Radial Ply Tire
1 -
Tread Block
2 -
Tread Groove
3 -
Tread
4 -
Nylon Ply
5 -
Belt Layers
Consists mostly of steel
6 -
Bead Bundle
...
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