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If you lose sufficient radiator coolant any water cooled engine will overheat as will yours. You do not need to lose very much coolant for an overheating condition to occur.
If you allow the engine to run in an overheated condition you WILL cause very expensive engine damage many times what it will cost you to have a new water pump and new WP gasket fitted.
If this is a water cooled bike, it seems to be that your thermostat isn't working properly, or your fluid level is low. Check the antifreeze if low fill to proper level, if ok then replace thermostat. If this is an air cooled bike then you need to check the motor oil. I would recommend changing it and replacing it with the proper weight and capacity if it isn't low/empty. Hope this helps
hi my name is kuldeep kumar having 1.5 Honda City Type Z vtec after 5km run my car over heating i fill coolant then start but after 5 km same problem happen i seen bubbles from the radiator comes out.
Full coolant level does not mean your engine cannot overheat. You need to fix the problem as overheating will destroy the engine if not addressed.
The radiator cooling fans must be working, as must the water pump. The thermostat must also be working properly. There must also be no air in the cooling system as air locks will impair water flow. When cooling systems are drained fully or partially and re-filled air in the system must be bled out using the correct bleeding procedure for the particular engine/cooling system. Failure to do this properly will lead to overheating.
If you ONLY see the overheating warning when running your aircon you need to check that the electric radaitor fans are kicking in at idle when you switch on and run the aircon and the engine has been warmed up some. If they do not start operating when the a/c is running you will get an overheating condition in normal driving conditions.
If the radiator fans are operating normally and you still get an overheating warning when the aircon is on or off the most likely culprit is a faulty thermostat in the engine's cooling system which will need to be replaced.
If you have either a faulty thermostat or if the water pump in the cooling system fails you will get continuous overheating whether the aircon is on or off.
It sounds like the cylinder head gasket is leaking internally, forcing coolant into the combustion chamber and getting burnt off through the exhaust. Check the tailpipe for excessive white smoke while the car is running.
From what you have described, which is a rapid over heating of the radiator coolant fluid and therefore a hot engine condition, it would appear that the thermostat in the engine's cooling system is faulty.
If the thermostat is sticking in the closed or nearly closed position temporarily, there will be no flow or very little coolant flow between the engine and the radiator and the engine will overheat.
You have advised that after the engine is shut off , and radiator coolant fluid has cooled, you re-start the engine and drive the car without the overheating condition occurring again and the radiator coolant temperature is normal. This time there is no overheating because the thermostat is working normally.
You should have the thermostat replaced as soon as possible because allowing the engine to overheat can cause very expensive engine damage.
If you had a continuing overheating condition then I would suspect both the thermostat and the water pump. However as the overheating seems to be only temporary, and clears itself after you have shut down the engine and re-started it 10 minutes later (without further overheating arising) then I think you only have a faulty thermostat.
Please also check that the electric fans which draw air through the radiator are operating. These run on a temperature sensor and will switch on automatically once the radiator coolant fluid reaches a certain temperature and then switch off again when the fluid temperature reduces. You will hear them running once they start up. If these fans are not working the radiator coolant can quickly overheat in various driving and temperature conditions because there will be insufficient air flow through the radiator to cool the fluid. If the temperature sensor is faulty or has died, or if the electric motors running the fans are faulty, the fans will not operate.
not sure if i understand everything, the ac,will drain condensation water under the car,that a sure sighn that its working properly,the air conditioning system has almost nothing to do with the engine and the coolant system,directly,it runs off a belt powered by the engine,if you overheated your engine ,bad enough,meaning that the second you noticed the car was hot you didnt immeaditly pull over and shut it down,or even if you did.it may not have been soon enough,remove the oil fill cap look at the bottom of it for sighns of antifreeze or water,brown milky substance looks like choclate milk,
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