Daewoo Nexia

Since 1994 of release

Repair and car operation



Daewoo Nexia
+ The maintenance instruction
+ Maintenance service
+ The engine
+ 3. The engine (two top camshafts)
- Cooling system
   4.2. The general description
   4.3. Care of cooling system
   4.4. Thermostat check
   4.5. Check of tightness of system of cooling
   4.6. Plums and filling of system with a cooling liquid
   4.7. The thermostat
   4.8. The water pump
   4.9. The electric fan
   4.10. A broad tank
   4.11. The gauge of a signalling device of an overheat of the engine
   4.12. A radiator
   4.13. Diagnostics of malfunctions of system of cooling
+ Топлевная and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. The electronic block of management and gauges
+ Transmission
+ 10. A five-speed transmission and the main transfer RPO MM5
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. A forward suspension bracket
+ 15. A drive of forward wheels
+ 16. A back suspension bracket
+ Brake system
+ Body
+ Heating, ventilation
+ Electric equipment




4.13. Diagnostics of malfunctions of system of cooling

The engine overheats

THE POSSIBLE REASONS
ELIMINATION
Decrease in level ОЖ To add ОЖ
Low concentration of antifreeze in ОЖ To check up concentration of antifreeze in ОЖ
Easing of a tension or failure of a belt of the water pump To adjust a tension or to replace a belt
Tubes and radiator edges are hammered outside by insects, leaves, etc. To clean a radiator
Leaks ОЖ through thinnesses in connections of hoses, the pump, a heater, the thermostat case, a radiator, the drain crane or through a lining of a head of cylinders To eliminate leaks, to make necessary repair
Thermostat refusal To check up serviceability of the thermostat, if necessary to replace
Later ignition To adjust the ignition moment
Refusal of the electric fan To check up serviceability of the electric fan, if necessary to replace
Radiator hoses are corked or worn out To replace hoses
Refusal of the water pump To replace the pump
Refusal of a cover of a tank To replace a cover
Cracks in a head or the block of cylinders, corking of channels of a shirt of cooling To repair

Cнижение level ОЖ

THE POSSIBLE REASONS
ELIMINATION
Leaks in a radiator To examine a radiator, to eliminate leaks
Leaks in a broad tank or in a hose To replace a tank or a hose
Easing of fastenings or damage of hoses of a radiator or heater To remount connections of hoses, to replace hoses or collars
Refusal of consolidation of the water pump To replace the water pump
Refusal of a lining of the water pump To replace a lining
Wrong inhaling of bolts of a head of cylinders To tighten bolts of a head the demanded moment
To replace if necessary a lining of a head of cylinders
Leaks through:
      – The inlet pipeline
      – A lining of a head of cylinders
      – заглушку the block of cylinders
      – The heater heat exchanger
      – The heater crane (if it is established)
To eliminate leaks, to make repair or replacement of defective details and knots

 

The engine does not get warm to normal temperature

THE POSSIBLE REASONS
ELIMINATION
The thermostat valve завис in open position or improper type of the thermostat Level ОЖ below label MIN
To replace the thermostat
To add ОЖ