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:
General notes concerning repairs to vehicle electrical system
Caution
When batteries are disconnected and reconnected, the
procedure described in the workshop manual must be
strictly observed.
WARNING
...
Removing and installing wiper motor -V-
Special tools and workshop equipment
required
Torque wrench -V.A.G 1410-
Torque wrench -V.A.G 1331-
Note ...
Diesel particulate filter
First read and observe the introductory information
and safety warnings The diesel particulate filter filters out soot particles
in the exhaust gas. The soot particles are collected in the filter and burnt off.
To assist in this combustion process, Volkswagen recommends that you avoid making ...
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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