Volkswagen Golf Service & Repair Manual: Air conditioning system compressor with magnetic clutch
| The air conditioner compressor is driven by a V-belt from
the engine. |
| An electromagnetic clutch is fitted to the air conditioner
compressor. When the air conditioning system is switched on, it
transmits the mechanical drive between the V-belt pulley and the
air conditioner compressor drive shaft. |
| A fusible link is incorporated in the air conditioner
compressor V-belt pulley. In the event of stiffness in the air
conditioner compressor, it trips the electromagnetic clutch and
protects the V-belt drive from overload. |
| The air conditioner compressor draws refrigerant gas from
the evaporator, compresses it and sends it to the condenser. |
 Note
| The air conditioner compressor contains refrigerant oil,
which can be mixed with R134a refrigerant at any temperature. |
| The maker's nameplate states the refrigerant for which the
air conditioner compressor is suitable. A valve regulates the
pressure on the low-pressure side within the specified range
(regulation characteristic). |
| So that the air conditioner compressor suffers no damage
when the refrigerant circuit is empty, the magnetic clutch is
disconnected and the regulating valve for the air conditioner
compressor -N280- is no longer activated (the air conditioner
compressor idles with the engine). |
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On the high-pressure side, there are the condenser, the
receiver and the restrictor or expansion valve that acts as the
separation between the high-pressure fluid and ...
The air conditioner compressor is driven by a V-belt from
the engine.
A shear link is incorporated in the air conditioner
compressor V-belt pul ...
Other materials:
Possible complaints about refrigerant circuit
Note
The air conditioning system is operating correctly if the
air emerging from the vent on the dashboard is at a temperature
of 7oC or less.
Set the Climatronic to: “LO”.
Set the ai ...
Fitting wheel, fitting instructions for Audi
Vehicles with tyre pressure sensor
If the wheels are changed (e.g. switch from summer to winter
tyres), the wheel electronics transmit data as soon as the speed
of the new wheels exceeds 25 km/h. The new wheel electronics' ID
numbers are ...
Repairing suspension strut
Special tools and workshop equipment required
Torque wrench -V.A.G 1332-
Spring compressor -V.A.G 1752/1-
Spring retainer -V.A.G 1752/4-
Shock absorber set -T10001-
Commercially available ratchet handle ...
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Distribution of the refrigerant circuit components and their influence on
the high-pressure and low-pressure sides
Air conditioner compressor without magnetic clutch