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Replace the thermostat
The need to replace the thermostat may occur when an unstable operation of the engine temperature: overheating or insufficient heating. To check the thermostat on a cold engine start up the car and touched the bottom (outlet) radiator hose - it must be cold. After the temperature of the coolant reaches (82 ?� 1.5) ?� C, the hose must start quickly heat up, which indicates the beginning of the circulation of liquid in a large circuit. If not, remove the thermostat and test it. You will need: pliers, face head "12" extender knob. 1. Disconnect a wire from the plug ?�-?� the storage battery. |
| | 3. Remove the bracket nut pipe cooling system to the exhaust. | 4. Remove the nut, bolt, remove the cover of the thermostat ... |
| | 5. ... and take the pipeline in the direction of the cooling system, removing his arm from the cylinder head studs. | 6. Pull the cover aside, without disconnecting from it a hose ... |
| 7. ... and remove the pin from the seal. |
8. Replace gasket thermostat, regardless of its condition. |
| 9. Remove from the hole in the cylinder head thermostat. |
NOTE It looks like taken from the car thermostat. Note his marking to buy the replacement of the same. |
| 10. To test the lower the thermostat in a container of water heated to 78-80 ?� C. Gradually heating the water, make sure the temperature of the beginning of opening of the thermostat valve. |
NOTE The thermostat of the cooling system is considered to be serviceable under the following conditions: - The temperature of the beginning of opening the valve - (82 ?� 1.5) ?� C; - Valve opening temperature of - 95 ?� C; - Move the valve (full opening) - 8.5 mm. |
11. Set the thermostat cover, clearing the mating surface of the housing and cover from the oxides and dirt. |
HELPFUL ADVICE Before installing the thermostat cover put on it a flange sealant. |
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