Mercedes S-Class
+ Mercedes Benz cars of the class S (W-140)
+ operation manual
+ Routine maintenance
+ Motor
- Cooling systems, heating
Specifications
- Motor cooling system
Compensation of the cooled liquid - general comments
Removal and compensation of hoses of the cooling system
Check of the thermostat
Removal and device of the thermostat
Removal and the device of the heater of the cooling system - a device detail
Removal and device of the water pump
+ systems of ventilation, heating and air conditioning
+ systems of power supply and edition
+ electric equipment of the motor
+ gear shifting boxes
+ Awtomatitscheckaja transmission
+ connection
+ brake system
+ Aufhängung and management
+ body
+ electric onboard equipment
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Check of the thermostat
Check without removal of the thermostat
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1. Before accepting operability of the thermostat and to check, are convinced that problems with cooling of the motor did not arise owing to insufficient amount of the cooled liquid or weak tension of priwodnogo of a belt. Are convinced of serviceability of the indicator which is located on the control panel.
2. If you noticed that the motor up to working temperature is long heated (it is possible according to statements of the indicator), which gets jammed the thermostat, in open situation. In this case it is necessary to replace it is necessary for thermostats.
3. On the other hand, long warming up can be a research of lack of the thermostat. It could be had specially or unintentionally (force to forget to establish after repair). Do not use the car without thermostats. The tax system the motor will consider the motor in the mode of the warm movement bigger long time. During this time the amount of fuel will consume the bolscheje motor, and the working gases will contain bolscheje quantity of harmful adulterations.
4. If the motor overheats, concern the top hose of the heater. If it is not hot, and the motor, the thermostat, is perhaps overheated, jammed in a closed position. Liquid does not get to the heater and circulates after a small circle. In this case you replace the thermostat.
5. If the top hose of the heater means hotly that the thermostat is open also liquid normally циркулируемо on system. In this case you get acquainted with recommendations which are provided to diagnostics of Defekteder of office of the introduction.
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Check at removal of the thermostat
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1. Take the thermostat (with watch removal and the device of the thermostat left).
2. If the thermostat at the room temperature is abroach - it is wrong and is subject to compensation. |
| 3. For rough check of operability of the thermostat you hang up it on a piece of a twine in power with water. The thermostat should not concern power walls. Begin to heat power. |
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4. Depending on heating of water the thermostat has to reveal (it directly occurs before water cooking). As temperature of cooking of water cannot reveal 100 °C, the thermostat completely (address specifications). Pull out the thermostat and allow it that it cooled down. Depending on cooling it has to be closed completely.
5. If the thermostat does not reveal when heating or is not closed when cooling, replace it. |
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Device At the thermostat device you mean the following:
a) you clean the connected surfaces Carefully and replace uplotnitelnoje a ring;
b) place the thermostat in a coat, it is correct sorijentirowaw;
with firmly) you Pull bolts of strengthening of a cover, the necessary effort is related;
d) Establish all hoses on former places then you fill in the cooled liquid (address the head to Routine maintenance).
e) Start the motor, heat up to working temperature and are convinced of lack of a vytecheniye.
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