Mercedes S-class W202

1993-2000 of release

Repair and car operation



Mercedes W202
+ 1.2. The general data
+ 2. Maintenance service
+ 3. Engines
+ 4. Greasing system
- 5. Cooling system
   + 5.2. A cooling liquid
   5.3. Antifreeze for a radiator
   5.4. A temperature regulator of a cooling liquid (thermostat)
   5.5. Check of system of cooling
   5.6. Hydraulic муфта the fan
   5.7. The pump of system of liquid cooling
   5.8. A radiator
   5.9. A fan casing
   5.10. Diagnostics of malfunctions of system of cooling
   5.11. Diagnostics of malfunctions of system of indication of level of a liquid
   5.12. An engine overheat
+ 6. Heating, ventilation
+ 7. Ignition system
+ 8. Fuel system
+ 9. Transmission
+ 10. A running gear
+ 11. A steering
+ 12. Brake system
+ 13. A body
+ 14. An electric equipment
+ 14.2. Electroschemes











5.10. Diagnostics of malfunctions of system of cooling
THE GENERAL DATA

THE REASON
WAY OF ELIMINATION
Too the heat of a cooling liquid, indication is in red area of a scale
Not enough a cooling liquid in a circulation contour The compensatory tank should be filled in to a mark, subsection 5.2 see., check up tightness of system of cooling.
The regulator of giving of a cooling liquid (thermostat) is not opened Check up, whether the top hose with a cooling liquid on a radiator heats up. If is not present, remove and check up a regulator, if necessary, replace.
The pump of system of liquid cooling is faulty Disassemble and check up the pump.
The gauge of indication of temperature of a cooling liquid is faulty In addition check up the gauge.
The system of indication of temperature of a cooling liquid is faulty Check up the display device.
The carving cover of a radiator is faulty Check up cooling system, conduct hydraulic test of a carving cover.
Are polluted пластнки a radiator Remove a radiator and blow its compressed air from outside the engine.
Radiator inside зашлакован limy adjournment and corrosion products. The radiator heats up only in the top part, the bottom hose of a radiator with a cooling liquid does not heat up Replace a radiator.
The radiator fan rotates not according to increase in frequency of rotation of a shaft of the engine, the bimetallic plate hydraulic муфты the fan of system of cooling is faulty At temperature of a cooling liquid nearby 90–95 With leave to work the engine with frequency of rotation of a shaft of the engine of 4000-4500 rpm., thus frequency of rotation of a shaft of the fan should increase accurately. Otherwise check up hydraulic муфту the fan of system of cooling, if necessary replace bimetallic платинку.