Cooling system — general information The car engine is operated in various climatic conditions and under various loads. The temperature of the coolant, and hence the engine, must be regulated and remain...
Radiator — general information Pic. 2.49. Radiator of the cooling system Radiator with a horizontal arrangement of tubes, corrugated plates and with an aluminum core. The radiator tanks are made of...
Fan, radiator cowl, coolant expansion tank The working radiator system uses the No. 1 and No. 2 electric cooling fans controlled by the PCM. Pic. 2.50. Fan, fairing and expansion tank assembly: 1 - to the...
Thermostat — general information Pic. 2.51. Thermostat: 1 - side of the engine; 2 - side of the radiator; 3 - coolant pump; 4 - thermostat; 5 - thermostat housing; 6 - oil cooler (LF and L3 engines); 7...
Coolant pump — general information The coolant pump housing is made of aluminum alloy. The coolant pump is driven by a V-ribbed belt. The impeller is built into the cylinder block. The coolant pump is...
Cooling system components Note. Never remove the radiator cap or loosen the radiator drain plug while the engine is running or hot and the radiator is hot. Pic. 2.210. Mazda 6 cooling system...
Checking the engine coolant level Make sure the coolant level in the expansion tank is between the F and L marks. If the coolant level is below the L mark, remove the radiator cap and add coolant.
Engine Coolant Replacement Pic. 2.211. Radiator Components: 1 - expansion tank; 2 - radiator; 3 - hoses; 4 – a stopper of a jellied mouth of a radiator; 5 - radiator drain plug Remove the radiator...
Radiator cap check Check coolant level. Remove the radiator cap. Clean the seating surface of the radiator cap and upper radiator hose. Pic. 2.212. Compressometer connection To check the...
Removal and installation of a radiator Disconnect the negative battery cable. Drain the engine coolant. Remove the cooling fan. Remove oil hose (models with automatic transmission). Remove the water hoses...
Radiator check Check if the radiator is clogged with dirt. If necessary, clean the radiator as described below: Do not bend or damage the radiator fins. When cleaning the radiator...
Removal and installation of the thermostat Remove the plug hole plate. Disconnect the negative battery cable. Drain the engine coolant. Remove the drive belt. Remove the washer reservoir. Remove the power...
Thermostat check Pic. 2.215. Removing the thermostat: 1 - bypass hose; 2 - bottom hose; 3 - thermostat assembly; 4- thermostat mounting bolts Tie the thread so that it is secured to the...