Leak detection in refrigerant circuit using compressed air or nitrogen
Note
A leak in the refrigerant circuit can be detected, for
example, by pressurising the circuit to a maximum of 15 bar
using cleaned and dried compressed air or nitrogen
→ Chapter. If the leak is large, the leakage point
...
Removing and installing auxiliary heater bracket
Removing
–
Switch off electrical consumers.
–
Switch off auxiliary and supplementary heater and switch off
ignition.
–
Remove auxiliary heater
→  ...
Radiator fan control unit -J293
Note
Available in various designs, sometimes fitted to the
radiator fan -arrows-.
This control unit switches the magnetic clutch and thus the
air conditioner compressor on and off. It cont ...