Car engine cooling system Mazda 323 (BG)

Coolant circuit
Coolant circuit B3, B6, VR (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 an antifreeze anti-corrosion concentrate. The concentrate prevents damage to the system due to...

Coolant replacement
As part of maintenance, the coolant must be changed regularly, see Chapter Maintenance . Attention! 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 check of the thermostat
The thermostat, when the engine is heated, opens the circuit for the flow of coolant through the radiator. If the thermostat remains closed due to a fault, the engine...

Removal and installation of the water pump
The water pump is beyond repair. In the event of a malfunction, the pump must be replaced. In the event of a seal failure, coolant flows onto the cylinder block. The...

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

Removal and installation of the fan motor
Removing 1. Disconnect the ground cable from the battery. Attention! This erases the data from the engine fault memory or the radio's security code. Before disconnecting...

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