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
+ ignition System
+ Power supply system, carburetor, system of injection of fuel
- Diesel engine
   Principle of operation of the diesel engine
   Removal and installation gear belt/adjustment of a drive of the distributive mechanism
   System of preheat of the diesel engine
   Check of system of preheat
   Air removal from a power supply system
   Check/replacement of the electromagnetic valve of interruption of supply of fuel
   Adjustment of a drive of gas
   Check/adjustment of number of turns of idling
   Removal and installation of nozzles
   Removal and installation of the vacuum pump
+ 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



System of preheat of the diesel engine

On the cold engine the spontaneous ignition temperature at the expense of only one compression is not reached, therefore the engine needs preheat.

For this purpose in each chamber of combustion the glow plug is screwed in. The candle consists of the case and the pressed thermal core. When giving tension the thermal winding in the core for some seconds heats up to temperature +850°С thanks to what duration of preheat before start seldom makes more long 10 seconds. When the control lamp of preheat on the dashboard dies away, the engine can be started.

For fast warming up of the engine preheat works and after engine start. Duration of preheat is regulated by a monitor depending on temperature of cooling liquid. The device management is behind the average console under the air channel.

The monitor preheat receives information on engine temperature from the sensor of temperature of cooling liquid. On the basis of the received data the monitor defines duration of preheat and current size.