Mazda 3 since 2003
1. Operation and maintenance of the car
2. Engine
2.1. General description of new engines of the L8, LF and L3 models
2.2. Mechanical part of engines
2.3. Appendix 1
2.3.1. Lubrication system
2.3.2. Cooling system
2.3.2.1. Check of level of cooling liquid of the engine
2.3.2.2. Replacement of cooling liquid of the engine
2.3.2.3. Check of a stopper of a radiator
2.3.2.4. Removal and installation of a radiator
2.3.2.5. Check of a radiator
2.3.2.6. Removal and installation of the thermostat
2.3.2.7. Check of the thermostat
2.3.2.8. Removal, check and installation of the pump of cooling liquid
2.3.3. Fuel system
2.3.4. System of release
2.4. Appendix 2
2.5. Appendix 3
2.6. The Z6 engine – a mechanical part
2.7. Lubrication system
2.8. Cooling system
2.9. System of an admission
2.10. Fuel system
2.11. System of production of the fulfilled gases and system of decrease in toxicity
2.12. System of ignition
2.13. Control system
2.14. Tables
3. Transmission
4. Running gear
5. Steering mechanism
6. Brake system
7. Onboard electric equipment
8. Body
 









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2.3.2.7. Check of the thermostat

Fig. 2.215. Removal of the thermostat: 1 – bypass hose; 2 – lower hose; 3 – thermostat assembled; 4 bolts of fastening of the thermostat


Bind a thread so that it was fixed for working parts of the thermostat. Completely ship the thermostat in the container with water. Warm up, stirring up (fig. 2.215).

Fig. 2.216. Immersion of the thermostat in the container with water


Temperature of opening of the valve is the temperature at which the valve opens and falls from a thread (fig. 2.216).
Continue to heat. Check rise height at full opening.
After check of height of rise at full opening reduce water temperature and check temperature of closing of the valve.

Standard values

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2.3.2.6. Removal and installation of the thermostat
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2.3.2.8. Removal, check and installation of the pump of cooling liquid