Mazda 323

since 1985 of release

Repair and car operation

Mazda 323

+ Introduction
+ Petrol engines
+ System of greasing of the engine
- System of cooling of the engine
   Contour of cooling liquid
   Antifrizny concentrate
   Replacement of cooling liquid
   Check of tightness of system of cooling
   Removal and thermostat installation/check
   Removal and installation of the water pump
   Removal and radiator installation
   Removal and installation of the motor of the fan
   Thermoswitch check
+ ignition System
+ Power supply system, carburetor, system of injection of fuel
+ Diesel engine
+ System of production of the fulfilled gases
+ Coupling
+ Manual transmission
+ Automatic transmission
+ Suspension bracket and steering system
+ Brake system
+ Wheels and tires, body, car coloring, care of the car
+ electric equipment System
+ Heater, lighting system, devices
+ Governing bodies and operation receptions
+ Electric circuits

Thermoswitch check


    The thermoswitch is screwed in in the inlet union of cooling liquid. It turns on the electric fan of a radiator when cooling liquid reaches a certain temperature. The switch should be checked, if at a hot radiator the fan does not turn on. Check conditions: To check according to the scheme electric wires, the relay and the fan motor. The thermostat and the reduktsionny valve in a cover of a radiator are serviceable. If these elements are faulty, the thermoswitch cannot turn on the fan as it does not heat up cooling liquid.
    To disconnect the tip from a thermoswitch. To unscrew a thermoswitch.

Cooling liquid will follow from an opening on the inlet union. To substitute capacity for collecting liquid.

    To suspend a thermoswitch in capacity with water. Slowly to heat up water. By means of an ohmmeter to supervise current course via the switch. At temperature +91°С the current should proceed. To leave water to cool down and supervise, that at water temperature +84°С the current stopped to proceed.
    If values do not correspond demanded, it is necessary to replace the switch.
    To screw the switch with new laying with effort of 10 Hм. To fill in cooling liquid. To warm up the engine and to leave to idle, the fan will not turn on yet. Once again to check level of cooling liquid.