Volkswagen Polo Service & Repair Manual: Comfort
Being comfortable while driving leads to better
concentration and safe driving. Air conditioning makes drivers
and passengers more comfortable when temperatures or humidity
are high. While opening the windows or sunroof or increasing the
air flow can make vehicle occupants more comfortable, it also
exposes them to more noise, draughts, exhaust, pollen and dust. |
A well-designed heating and air conditioning system can
increase comfort by controlling the temperature, humidity and
air flow inside the vehicle. This is done both when the vehicle
is moving and when it is stationary. |
Air conditioning also offers these advantages: |
It cleans the air that enters the vehicle interior. The damp
fins on the evaporator collect dust and pollen, which is then
removed by condensation. |
Temperatures in a mid-size vehicle (for example: after a
short drive, outside temperature 30 °C (86 °F) in the shade and
the vehicle exposed to sunlight). |
|
|
|
Area |
Temperature with A/C System in Celsius (Fahrenheit) |
Temperature
without A/C System in Celsius (Fahrenheit) |
Head area |
23 °C (73
°F) |
42 °C (107 °F) |
Upper body area |
24 °C (75
°F) |
40 °C (104 °F) |
Foot area |
30 °C (86 °F) |
35 °C (95 °F) |
Environmental Information |
Vehicles manufactured after 1992 have air conditioning
systems that use refrigerant R134a. This refrigerant does not
contain chlorine and does not deplete the ozone layer. |
Refrigerant R12 was used through 1992. Due to its chlorine
atoms, this CFC has a high potential for depleting the ozone
layer as well as a tendency to increase the greenhouse effect. |
Conversions are offered for existing systems filled with the
ozone-depleting substance R12. |
Refer to Repair Manual for A/C systems with refrigerant R12.
This repair manual is only available in hard copy. |
For environmental protection reasons, refrigerants must not
be released into the atmosphere. For laws and regulations. Refer
to
→ Chapter „Laws and Regulations“. |
|
|
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Refrigerant oil mixes with the refrigerant (about 20 - 40%,
depending on compressor type and amount of refrigerant) and
circulates constantly in the system, lubricati ...
The temperature in the passenger compartment depends on the
amount of heat radiated through the windows and conducted by the
metal parts of the body. In hot weather i ...
Other materials:
Loading the trailer
First read and observe the introductory information
and safety warnings
Trailer weight and drawbar load
The trailer weight is the weight that the vehicle can pull . The drawbar load
is the weight that the towing bracket exerts on the ball coupling vertically from
above .
The figures for tr ...
Refrigerant Circuit with Expansion Valve
A-Low pressure side of refrigerant circuit.
B-High pressure side of refrigerant circuit.
Component
Aggregate State of Refrigerant
Pressure bar (psi) Positive Pressure
Temperature
...
Changing the bulbs in the tail light cluster
Fig. 184 On the side of the
luggage compartment: removing the tail light cluster
Fig. 185 Tail light cluster:
removing the bulb holder
First read and observe the introductory
information and safety warnings
The steps should only be carried out in the specified order.
Removing the tail li ...
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