Automotive cooling and lubrication system VAZ-2108

Engine Cooling System — Design Description
The cooling system is liquid, closed type, with forced circulation of liquid, with a translucent expansion tank. The cooling system consists of a centrifugal pump 11 (pic. 7),...

Engine lubrication system — design description
Under pressure, the main and connecting rod bearings of the crankshaft, camshaft bearings are lubricated. Spray lubricates cylinder walls, pistons and piston rings, piston pins,...

Radiator of the cooling system — removal and installation
Removal operations are carried out on a cold engine. Open the heater valve and remove the plug from the expansion tank. Unscrew the drain plugs of the radiator and cylinder block,...

Oil pump — removal and installation
To dismantle the pump, remove the front right wheel, hang the car on a lift, turn the steering wheel all the way to the right and drain the oil from the engine crankcase. After...

Coolant pump — disassembly and assembly
For disassembly, the puller compresses the toothed pulley 9 with a puller ( see fig. 8 ) pump. The locking screw 1 is unscrewed and the shaft 5 is pressed out, complete with the...

Oil pump — disassembly and assembly
For disassembly, fix the cover 9 ( see fig. 10 ) pump in a vice and unscrew the plug 6 of the pressure reducing valve. The spring 5 and valve 4 are taken out. The screws securing...

Coolant pump — check and repair
Remove deposits from the impeller, housing and wash the parts. The axial play of the bearing with the shaft is checked, which should not exceed 0.13 mm at a load of 5 kgf. With...

Electric fan — check and repair
It should turn on with the engine running when the arrow of the coolant temperature indicator goes into the red zone of the scale. If the fan does not turn on, this indicates a...

Radiator of the cooling system — check and repair
After removing the radiator, check its tightness in a bath of water. To do this, the radiator pipes are closed and compressed air is supplied to it at a pressure of 1 kgf / cm 2 ....

Cooling system thermostat — check and repair
At the thermostat, the temperature of the beginning of the opening of the main valve and the stroke of the main valve are checked. The thermostat is installed on the stand...

Coolant replacement
Remove the plug of the expansion tank and open the valve of the heater of the passenger compartment. Unscrew the mounting bolts and remove the engine mudguard. Unscrew two drain...

Oil pump — check and repair
After disassembly, all parts are washed in kerosene or gasoline, blown with compressed air and their condition is checked. The aluminum cover in the plane of contact of the gears...

Flushing crankcase ventilation parts
Remove the ventilation hoses, unscrew the fastening nuts and remove the cylinder head cover. Unscrew the two bolts securing the oil separator housing, remove the housing and the...

Engine oil change
Warm up the engine, unscrew the drain plug and drain the oil into a vessel. Wait at least 10 minutes to completely drain the oihpout removing the oil filter, drain the flushing...