On a part of models the temperature regulator (fig. of the Detail of the air filter see) for management of giving of cold or warm air in the engine is established.
| PERFORMANCE ORDER |
| 1. To weaken an inhaling of collars and to disconnect hoses of giving of warm and cold air from a temperature regulator. |
| 2. To weaken an inhaling of a collar and to remove a temperature regulator. |
| 3. To lower a working part of the thermostat of a temperature regulator in warm water (approximately 20 °) for 2 minutes Zaslonka in a temperature regulator should turn and block an aperture of giving of cold air. If it does not occur, to replace a temperature regulator. |
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