Car engine cooling system Mazda 323 (BG)

Coolant circuit
Coolant circuit B3, B6, BP (SOHC) 1 - expansion tank; 2 - radiator; 3 - radiator fan; 4 - radiator cap; 5 - expansion tank model F; 6 - water pump; 7 - thermostat; 8 -...

Antifreeze concentrate
At the factory, the cooling system is filled with a mixture of water and antifreeze and anticorrosive concentrate. The concentrate prevents damage to the system due to...

Replacing the coolant
As part of maintenance, the coolant must be replaced regularly, see Chapter Maintenance . Caution! If the coolant is drained as part of a repair, it must be collected,...

Checking the tightness of the cooling system
The tightness of the cooling system and the operation of the pressure reducing valve in the radiator cap can be checked using a special device. Such a device can be...

Removal, installation and checking the thermostat
The thermostat opens the coolant circuit through the radiator when the engine heats up. If the thermostat remains closed due to a fault, the engine overheats. This is...

Removal and installation the water pump
The water pump cannot be repaired. If it is faulty, the pump should be replaced. If the seal is faulty, the coolant will flow onto the cylinder block. The water pump is...

Removal and installation the radiator
1 - resonance chamber; 2 - plug connection, fan; 3 - hose, expansion tank; 4 - coolant hoses; 5 - oil cooler connection. (Only cars with automatic transmission.); 6 -...

Removal and installation the fan motor
Removal 1. Disconnect the ground cable from the battery. Warning! This will erase the engine fault memory or the radio security code. Before disconnecting the battery,...

Checking the thermal switch
1. The thermal switch is screwed into the coolant inlet fitting. It turns on the electric radiator fan when the coolant reaches a certain temperature. The switch should...

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