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

Specifications of the lubrication system
The engine has a combined lubrication system (under pressure and spray). Gear type oil pump with trochoidal gearing and bypass valve. Oil pump The oil pump is installed...

Specifications 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 - cover of the oil pump with an oil receiver;...

Oil pump — removal and installation
To remove and install the oil pump, the crankcase must be removed. These operations are not difficult. Check up, whether backlashes of gear wheels of the oil pump...

Oil pressure check
Unscrew the oil pressure sensor, having previously disconnected the block from it, and screw the manometer 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 motor; 6 - hoses; 7 - expansion tank; 8 - radiator drain cock.

Coolant drain
Remove 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 valve, disconnect...

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

Water pump — removal and installation
Drain the coolant. Loosen the alternator drive belt, unscrew 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. Check main valve opening temperature and valve travel. If abnormal,...