Volkswagen Polo Service & Repair Manual: A/C Compressor Regulator Valve -N280
 Note
| For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit. |
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| The regulator valve is implemented into the compressor. It
is activated by the A/C Display Control Head -E87- or
Climatronic Control Module -J255-. Pressure on the low pressure
side is influenced via the regulator valve and thus regulates
the temperature in the evaporator. |
Note
| The A/C Compressor Regulator Valve -N280- is a component of
the A/C compressor and cannot be replaced separately. |
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Note
For switching pressures, removing and installing switches
and switch arrangement and version, see vehicle-specific
refrigerant circuit.
...
Other materials:
General Information
In order to be able to force moisture and other contaminants
out of refrigerant circuit, compressed air and nitrogen (to
force moisture out of refrigerant circuit) are to be used.
For the most part, blowing through the refrigerant circui ...
Coolant Fan Control Module -J293
Note
Available in different construction styles, some installed
on coolant fan -arrows-.
This control module switches on and off the A/C clutch and
therefore the A/C compressor. It switche ...
Tread Depth, Measuring
Note
When measuring tread depth, take measurements in the main
grooves.
Do not take measurements at the tread wear indicator.
Tread depth of a tire must be mea ...
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A/C Pressure/Temperature Sensor -G395