S-class W202 Mercedes

1993-2000 of release

Repair and car operation

W202 Mercedes
+ 1.2. General information
+ 2. Maintenance
+ 3. Engines
- 4. Greasing system
   4.2. Specification of engine oil
   4.3. Scope viscosity oils / class
   4.4. Consumption of oil
   4.5. Contour of circulation of oil (DD)
   4.6. Oil reduktsionny valve
   + 4.7. Oil pallet
   4.8. Indicator of level of oil
   4.9. The heat exchanger oil - / cooling liquid
   4.10. Diagnostics of malfunctions in a contour of circulation of oil
+ 5. Cooling system
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. Running gear
+ 11. Steering
+ 12. Brake system
+ 13. Body
+ 14. Electric equipment
+ 14.2. Electroschemes

b47c026d b47c026d

4.10. Diagnostics of malfunctions in a contour of circulation of oil


Low pressure of oil after engine start Very hot oil Not to take into consideration if pressure of oil is normalized after pressing an aselerator pedal.
Too low pressure of oil at small turns of the engine The oil reduktsionny valve closes abroach because of pollution Disassemble and check the valve.
Too low pressure of oil at normal turns of the engine It is not enough oil in the engine Add oil.
The filter of a soaking-up cap is polluted Disassemble the oil pallet. Clean soaking-up filter.
The tube of absorption of oil departed or is broken Disassemble the oil pallet, check a tube of absorption of oil.
Wear of the oil pump Remove the oil pump and check it, replace in case of need.
Bearing damage Disassemble the engine and repair it.
The alarm lamp of level of oil burns Too low level of oil Add engine oil.
The electric chain is broken, the monitor is faulty Eliminate a rupture of an electrochain, check tip contact, in case of need replace operating electronics in the dashboard.