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Vehicle cooling and lubrication system BMW 3 Series E21
Lubrication system characteristics
The engine has a pressure lubrication system. An oil filter with a safety valve is connected in series to the main oil line of the engine immediately after the...
The engine has a pressure lubrication system. An oil filter with a safety valve is connected in series to the main oil line of the engine immediately after the...
Cooling system characteristics
The car uses a liquid engine cooling system with forced circulation of liquid, with an expansion tank. Radiator The radiator is a Behr tubular-finned type with...
The car uses a liquid engine cooling system with forced circulation of liquid, with an expansion tank. Radiator The radiator is a Behr tubular-finned type with...
Oil pump parts
Oil pump parts: 1 — pump body; 2 - lid; 3 - mesh filter; 4 — lid; 5 - driving and driven gears of the pump; 6 — pump shaft; 7 — pressure reducing valve; 8 —...
Oil pump parts: 1 — pump body; 2 - lid; 3 - mesh filter; 4 — lid; 5 - driving and driven gears of the pump; 6 — pump shaft; 7 — pressure reducing valve; 8 —...
Removal and installation the oil pan
Removal 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 pump...
Removal 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 pump...
Removal and installation the oil pump
Remove the oil pan and oil pump. Disassemble the oil pump and check the technical condition of the parts and their dimensions (see subsection " Detailed...
Remove the oil pan and oil pump. Disassemble the oil pump and check the technical condition of the parts and their dimensions (see subsection " Detailed...
Removal and installation the pressure reducing valve
Remove the oil pan and unscrew the pressure relief valve installed next to the oil pump. Remove sleeve 1, unscrew plug 2 and remove spring 3 and valve plunger...
Remove the oil pan and unscrew the pressure relief valve installed next to the oil pump. Remove sleeve 1, unscrew plug 2 and remove spring 3 and valve plunger...
Cooling system parts
Cooling system: A - until August 1979.; B - since August 1979.; C - on cars of the model "323i" produced since April 1981. 1 - water pump; 2 — pump shaft; 3 -...
Cooling system: A - until August 1979.; B - since August 1979.; C - on cars of the model "323i" produced since April 1981. 1 - water pump; 2 — pump shaft; 3 -...
Replacing the coolant
Open the interior heater tap by setting the switch handle to the "warm" position and unscrew the expansion tank cap. Place a container under the engine to...
Open the interior heater tap by setting the switch handle to the "warm" position and unscrew the expansion tank cap. Place a container under the engine to...
Replacing the radiator
Removal Unscrew the expansion tank cap and drain the coolant. On vehicles with automatic transmission, disconnect the oil cooling pipes from the radiator....
Removal Unscrew the expansion tank cap and drain the coolant. On vehicles with automatic transmission, disconnect the oil cooling pipes from the radiator....
Removal and installation the water pump
Removal Drain the coolant. Loosen the alternator drive belt, then remove the belt and crankshaft pulley. Remove the vibration damper from the hub and...
Removal 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 off the hub using the Kukko 00 8 500 puller. Remove the retaining ring, press the impeller off the pump shaft and...
Disassembly Remove the water pump. Press off the hub using the Kukko 00 8 500 puller. Remove the retaining ring, press the impeller off the pump shaft and...
Removal and installation the thermostat
These operations are not difficult. When installing the thermostat, direct the piston holder towards the cover.
These operations are not difficult. When installing the thermostat, direct the piston holder towards the cover.
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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