Daewoo Nexia

since 1994 of release

Repair and car operation

Deu Neksiya
+ Maintenance instruction
+ Maintenance
+ Engine
+ 3. Engine (two top camshafts)
- Cooling system
   4.2. 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 cooling liquid
   4.7. Thermostat
   4.8. Water pump
   4.9. Electric fan
   4.10. Broad tank
   4.11. Sensor of a signaling device of an overheat of the engine
   4.12. Radiator
   4.13. Diagnostics of malfunctions of system of cooling
+ Toplevnaya and exhaust systems
+ Electric chain
+ 7. Ignition system
+ 8. Electronic control unit and sensors
+ Transmission
+ 10. Five-speed transmission and main RPO MM5 broadcast
+ 11. Automatic Transmission
+ Steering
+ Running gear
+ 14. Forward suspension bracket
+ 15. Drive of forward wheels
+ 16. Back suspension bracket
+ Brake system
+ Body
+ Heating, ventilation
+ Electric equipment


4.7. Thermostat


Dismantle of the case of the thermostat



Thermostat dismantle


To remove or disconnect


In order to avoid burns steam and splashes of OZh it is forbidden to open a cover of a broad tank when the Engine did not cool down yet.

1. To merge OZh, having removed the bottom hose 15.
2. Forward cover of a gear belt.
3. Cogwheels of cam-shafts and cranked shaft.
4. Gear belt of the gas-distributing mechanism.
5. To turn out bolts and to remove a back cover of a gear belt.
6. To weaken a collar and to remove a hose 12 from the thermostat case 13.
7. To turn out 2 bolts and to remove the thermostat case 13 with a sealing ring, fig. Dismantle of the case of the thermostat.
8. To take out the thermostat B from a nest in a head of cylinders, fig. Thermostat dismantle.

To check

1. To check existence on a saddle of the valve of the extraneous particles interfering dense closing of the valve.
2. To check serviceability of the thermostat.

To clear

The case of the thermostat and the interfaced plane of a head of cylinders with solvent use.

To establish or attach

1. The thermostat B in a nest of a head of the block of cylinders.
2. The thermostat case 13 with new condense with a telny ring. To screw bolts And, fig. Thermostat dismantle. To tighten bolts of fastening of the case of the thermostat the moment of 10 Nanometers.
3. A hose 12 to the thermostat 13 case to fix a collar.
4. Back cover of a gear belt. To screw bolts. To tighten bolts of fastening of a back cover of a gear belt the moment of 22 Nanometers.
5. Cogwheels on cam-shafts and a cranked shaft. To tighten a fastening bolt зубчато го cam-shaft wheels the moment of 45 Nanometers, and a bolt of a cogwheel of a cranked shaft – 55 Nanometers.
6. Gear belt of the gas-distributing mechanism.

After installation of a belt it is necessary to check correctness of installation of angular provision of cam-shafts and a cranked shaft.

7. Cover of a gear belt.
8. To fill in OZh in cooling system.
9. Coupling guard.
10. The bottom bolts of fastening of a case of coupling to the block of cylinders.