It depends on what kind and year car you have. If it has electric fans maybe the fans aren't coming on. If it doesn't have eclectic fans maybe the fan clutch is no good. Make sure all of the belts are tight.
You could have a bad head gasket. If it has iron heads you could have a cracked head. If it has aluminum heads you could have melted the heads. It could also be a bad intake manifold valleypan gasket.
Type your answer here... IF WE CHANGED ONLY COOLING FAN THEN IT WILL BE OVERHEAT BECAUSE WE DON'T CHANGE OR FLUSHING OF RADIATOR. WE CAN REMOVE THERMOSTAT VALVE ALSO MAY BE HOSE PIPE WILL BE BEND
thermostat is located under radiator cap!
The thermostat housing on a 2008 cobalt where the lower radiator hose connects to the radiator.
one issue could be that you need to change your thermostat
Coolant system leak, faulty thermostat, lack of (or long overdue change of) engine oil... low fluid or bad thermostat, low oil, bad radiator,clogged water pump. You should also make sure that the radiator and a/c fans are working propperly
To change the thermostat in this Lexus model, follow the upper radiator hose to the aluminum housing--the thermostat is located in that housing.
The thermostat on a 2004 Chevy Venture is changed by draining the radiator, removing the upper radiator hose, and unbolting the thermostat housing. The old thermostat and gasket can then be removed and replaced.
Might want to check for leaking radiator hoses and / or lack of fluid to and from the radiator 1st. Also, check and or change the thermostat before going to the more expensive stuff like bad water pump, etc!
To change the thermostat on a 2002 Montero Limited, drain the radiator halfway through the plug on the bottom. Remove the upper hose assembly and unbolt the thermostat. Install the new one and fill the radiator.
Find and disconnect the upper radiator hose. This will be a hose going from the top of the radiator to the top of the engine block somewhere. The upper radiator hose attaches to the thermostat housing, which is usually secured by 2 or 4 bolts. The thermostat is inside and you will probably need a pick to get it out. Having said that, your thermostat probably isn't the problem if you are overheating. GM motors have really bad intake gasket design, which can cause your car to leak coolant, which will in turn cause it to overheat.
The thermostat on a 1992 Ford F250 7.3 Diesel is changed by draining the radiator, removing the upper radiator hose, and unbolting the radiator housing. The thermostat can then be removed, a new gasket put in place, and the new thermostat installed.
Drain the water from your radiator. Remove the radiator hose, from the thermostat housing. Remove the thermostat housing retaining bolts. Replace the thermostat housing gasket and reverse the process to install the new thermostat.