Cooling and lubrication of engines «E» Mazda 323 (BF)

Technical characteristics of the lubrication system
The engine has a combined lubrication system (under pressure and splashing). Gear type oil pump with trochoidal engagement and bypass valve. Oil pump The oil pump is...

Technical characteristics of the cooling system
The car uses a liquid cooling system with forced circulation of liquid using a centrifugal pump driven by a V-belt from the crankshaft pulley. Water pump Centrifugal...

Lubrication system — device
Lubrication system: 1 - oil pump housing; 2 - drive gear; 3 - oil pump drive sprocket; 4 - drive chain; 5 - driven gear; 6 - oil pump cover with oil receiver; 7 -...

Oil pump — removal and installation
To remove and install the oil pump, you need to remove the engine crankcase. These operations are not difficult. Check that the oil pump gear clearances correspond to...

Checking oil pressure
Unscrew the oil pressure sensor, having first disconnected the block from it, and screw the pressure gauge hose fitting into the socket. Start and warm up the engine....

Cooling system — device
Cooling system: 1 - water pump; 2 - radiator; 3 - thermostat; 4 - fan; 5 - fan electric motor; 6 - hoses; 7 - expansion tank; 8 - radiator drain cock.

Draining the coolant
Unscrew the radiator cap. Place a container under the engine to drain the fluid, unscrew the drain plug of the cylinder block, open the radiator drain cock, disconnect...

Filling the cooling system with liquid
Attach the drain hose to the radiator, replacing the clamps if necessary. Close the radiator drain cock and tighten the cylinder block drain plug with a new gasket. Fill...

Water pump — removal and installation
Drain the coolant. Loosen the alternator drive belt, remove the two bolts and nut securing the water pump and remove the pump. Install the water pump in reverse order....

Thermostat — removal and installation
The thermostat is installed in the housing on the cylinder head next to the ignition distributor sensor. Check the temperature at which the main valve starts to open and...

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