Vehicle cooling and lubrication system BMW 3 Series E21
Characteristics of the lubrication system The engine has a pressure lubrication system. An oil filter with a safety valve is connected in series to the main engine oil line directly after the oil pump....
Characteristics of the cooling system The car uses a liquid engine cooling system with forced circulation of liquid, with an expansion tank. Radiator Radiator brand Behr tubular-finned with...
Oil pump parts Oil pump details: 1 - pump housing; 2 - cover; 3 - mesh filter; 4 - cover; 5 - driving and driven gears of the pump; 6 - pump roller; 7 - pressure reducing...
Removal and installation of an oil crankcase Withdrawal Remove the protective shield from the clutch side. Drain the oil and remove the oil pan mounting bolts. Move the oil pan aside and remove the oil...
Removal and installation of the oil pump Remove the oil sump and oil pump. Disassemble the oil pump and check the technical condition of the parts and their dimensions (see subsection « Detailed...
Parts of the cooling system Cooling system: A - until August 1979; B - since August 1979; C - on model cars «323i» release from April 1981 1 - water pump; 2 - pump roller; 3 - retaining...
Coolant replacement Open the valve of the body interior heater by setting the switch handle to the position «warm» («warm air») and unscrew the plug of the expansion tank. Place a...
Radiator replacement Withdrawal Remove the expansion tank cap and drain the coolant. On vehicles with automatic transmission, disconnect the oil cooling pipes from the radiator....
Removal and installation of the water pump Withdrawal Drain the coolant. Loosen the alternator drive belt, then remove the belt and crankshaft pulley. Remove the vibration damper from the hub and...
Disassembly and assembly of the water pump Disassembly Remove the water pump. Press the hub with a Kukko 00 8 500 puller. Remove the retaining ring, press the impeller off the pump shaft and press the...