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Early signs of engine overheat

Early signs of engine overheat

When internal combustion engines work, they generate a lot of heat. This heat is removed by the coolant through the radiator. Also the engine oil helps to circulate and thereby indirectly remove the heat. 
When there is a problem with the cooling system, the result is most likely an overheating engine.
Engine overheat if not caught early can result to catastrophic engine failure. 
The ability to quickly sense that the engine is overheating or is about to overheat can potentially save the car owner spending on engine repairs or replacement.
Below are common causes of Overheating:
° Faulty radiator° Faulty water pump° Bad drive belt for water pump° Blocked exhaust° Excessively running lean° Bad thermostat&de..

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Causes of overheating when car is idling or at a stop

Causes of overheating when car is idling or at a stop

We have fixed a number of faults where the car runs fine at normal or high speeds but as soon as the car comes to a stop, it begins to overheat. At times, the cause of this condition is not very obvious and can be difficult to trace.
Things that can cause  a car to overheat when idling are as follows:
Fan speed - It is possible for this to happen because cooling system fans are designed to run at variable speeds. The implementation varies in different cars. Some cars use 2-speed fans operation, some use 3-speed fan operation, some use pulse width modulation technique for varying fan speed. Let's take the 3-speed fan as an example. If a relay, fuse or wire that controls the low speed operation is faulty, fan will work well when there is more cooling demand but will not work ..

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Effects of cooling system thermostat removal in hot climate

Effects of cooling system thermostat removal in hot climate

There is a myth that is quite popular in some countries with hot climate, even among mechanics; "cooling system's thermostat is not needed in the car".
This believe is not necessarily true even though the importance of the thermostat is not as much as it is in a car in a cold climate.
Some of the effects of thermostat delete;
The engine does not warm up on time. One function of the thermostat is preventing the coolant from circulation until the engine has attained a particular temperature. When the thermostat is not in place, the coolant begins to circulate right from the moment the engine is started. This extends the time the engine takes to attain operating temperature. The cooler the ambient temperature, the more time it will take to attain operating temperature.
T..

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Coolant versus water in a car's cooling system

Coolant versus water in a car's cooling system

Many vehicle users do not see the need to use coolant in their vehicles simply because they put in water and their vehicle runs fine simply because they are unaware of the long term negative effect that it will have on their vehicle's cooling system and the engine itself.
Let's see how coolant performs when used and how water performs when used in the cooling system.
• Water - This could be either tap, well or borehole water. These types of water contain minerals that cause corrosion to a car's engine block, piping and the core of a radiator. Those minerals can also cause scale formation in the cooling system.An example of where one can notice scale formation is in the home electric kettle, you will notice a brown scale inside the kettle after some use. That is scale! When w..

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