Automotive cooling and lubrication system VAZ-2109
All articles on the device and repair of components and assemblies of the cooling and lubrication system of the engine of cars VAZ-2108 and VAZ-2109 Samara.
Cooling system device The cooling system is used to cool the heating parts and maintain the normal temperature of the engine. All components of the cooling system on the vehicles in question are the...
Coolant pump device The coolant pump is centrifugal and serves to ensure its circulation in the cooling system. Pavilion 2 (pic. 32) the pump is made of aluminum alloy, the roller 5 is installed in a...
Radiator device The radiator serves to cool the liquid with an air stream passing through the core of the radiator. Radiator 1 (pic. 33) - collapsible tubular-plate with plastic tanks. Pic. 33....
Expansion tank The expansion tank is made of translucent plastic, fastened with a belt to the brackets of the left mudguard of the body. The lower branch pipe of the expansion tank is connected...
Electric fan of the cooling system The electric fan enhances the air flow through the radiator, and hence its heat transfer. The electric fan consists of an electric motor 3 ( see fig. 33 ) and impellers 5 (motor...
Cooling thermostat The cooling system thermostat speeds up the engine warm-up and maintains the required thermal conditions. Under optimal conditions, the temperature of the coolant should be...
Cooling system maintenance After the first 2000 km of a new car, check the fluid level in the expansion tank and the tightness of the cooling system seals. Every 15,000 km, check the fluid level in the...
Checking the liquid level and tightness of the seals During the operation of the car, check and, if necessary, restore the coolant level in the expansion tank, which should be 25... 30 mm above the mark «MIN». Checking and topping...
Coolant replacement Remove the cap of the expansion tank and open the heater valve of the body interior. Remove the engine mudguard by unscrewing the mounting bolts to the body. Place a container...
Checking the operation of the thermostat At the thermostat, it is necessary to check the temperature at which the main valve opens and its stroke. To do this, install the thermostat on the stand in a tank with technical...
The main malfunctions of the cooling system Engine overheating The pointer of the coolant temperature gauge is in the red zone at the end of the scale. Causes of the malfunction and how to fix it: lack of coolant or its low...
Lubrication system device The engine lubrication system is designed to supply oil to rubbing surfaces in order to reduce friction and increase the mechanical efficiency of the engine, reduce wear of...
Oil pump device The oil pump is used to supply oil to rubbing parts and to the oil filter for cleaning. Gear type pump with two internal gears. Pump (pic. 37) The assembly is attached with six...
Oil filter device The oil filter is used to purify the oil from harmful impurities that have a significant impact on the acceleration of engine parts wear. The quality of the engine oil does not...
Crankcase ventilation Engine crankcase ventilation forced closed. It provides suction from the crankcase of crankcase gases and gasoline vapors into the engine intake duct, which eliminates the...
Maintenance of the lubrication system Every 500 km of the car run it is necessary: check the oil level in the crankcase, top up if necessary. After the first 2000 km of a new car, you must: check the tightness of the...
The main malfunctions of the lubrication system Reduced oil pressure Oil pressure at 5600 rpm less than 4.5 kgf/cm 2 . The pressure can be checked with a control pressure gauge screwed in instead of the low oil pressure warning...