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- E21
- 4-cylinder engine
- Cooling and lubrication system
Vehicle cooling and lubrication system BMW 3 Series E21
Lubrication system characteristics
The engine has a pressure lubrication system. The oil filter is connected in series to the main oil line of the engine immediately after the oil pump. Oil pump...
The engine has a pressure lubrication system. The oil filter is connected in series to the main oil line of the engine immediately after the oil pump. Oil pump...
Cooling system characteristics
The car uses a liquid engine cooling system with forced circulation of liquid using a rotary pump driven by a V-belt from the crankshaft pulley. The fan is...
The car uses a liquid engine cooling system with forced circulation of liquid using a rotary pump driven by a V-belt from the crankshaft pulley. The fan is...
Lubrication system device
Lubrication system details: 1 - toothed pulley of the oil pump; 2 - oil pump drive chain; 3 — hub; 4 — oil pump housing; 5 — oil pump drive chain tension...
Lubrication system details: 1 - toothed pulley of the oil pump; 2 - oil pump drive chain; 3 — hub; 4 — oil pump housing; 5 — oil pump drive chain tension...
Removal and installation the oil pan
Removal Place the car on a lift or inspection pit. Drain the oil from the engine. Disconnect the steering gear housing from the front axle bracket by...
Removal Place the car on a lift or inspection pit. Drain the oil from the engine. Disconnect the steering gear housing from the front axle bracket by...
Removal and installation the oil pump
Removal Unscrew the bolts securing the toothed pulley of the oil pump drive, having first removed the oil pan. Bend back the retaining plates and remove the...
Removal Unscrew the bolts securing the toothed pulley of the oil pump drive, having first removed the oil pan. Bend back the retaining plates and remove the...
Disassembly and assembly of the oil pump
Removing and installing the oil pump is quite simple (see " Removal and installation the oil pump "). Disassembling the oil pump Remove plug 1, spring 2 and...
Removing and installing the oil pump is quite simple (see " Removal and installation the oil pump "). Disassembling the oil pump Remove plug 1, spring 2 and...
Cooling system parts
Cooling system details: A - except "315", "316" since 1981 model year; IN - "315", "316" since 1981 model year. 1 - water pump; 2 — water pump roller; 3 — hub;...
Cooling system details: A - except "315", "316" since 1981 model year; IN - "315", "316" since 1981 model year. 1 - water pump; 2 — water pump roller; 3 — hub;...
Removal the water pump
Disconnect the wire from the "-" terminal of the battery. Unscrew the radiator filler plug and open the interior heater tap, setting the switch handle to the...
Disconnect the wire from the "-" terminal of the battery. Unscrew the radiator filler plug and open the interior heater tap, setting the switch handle to the...
Disassembly and assembly of the water pump
Press off the pump drive pulley using a universal double-lever puller. Remove the retaining ring and press the impeller and bearing off the shaft using a...
Press off the pump drive pulley using a universal double-lever puller. Remove the retaining ring and press the impeller and bearing off the shaft using a...
Filling and checking the cooling system
Filling Open the interior heater tap and slowly pour coolant into the radiator. Close the radiator with the plug, turning it to the second stop. Warm up the...
Filling Open the interior heater tap and slowly pour coolant into the radiator. Close the radiator with the plug, turning it to the second stop. Warm up the...
Removal and installation the thermostat
Removing and installing the thermostat is quite simple. Check the temperature at which the main valve starts to open and the stroke of its piston at this...
Removing and installing the thermostat is quite simple. Check the temperature at which the main valve starts to open and the stroke of its piston at this...
This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
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