Question about 2003 Chevrolet Impala
I changed the thermostat and the coolant fan.. my radiator doesnt leak
Did you flush the system or merely change parts? If the radiator or the engine block are very dirty, there will be overheating. Also, if the thermometer is reading hot on the dash board it may be a false reading from the temperature thermometer on the radiator which, if that is the case, should be replaced.
Posted on Jan 22, 2013
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Posted on Jan 02, 2017
1. blocked radiator core
2. blown head gasket
3. cracked head
4. water pump
These would be the major problems causing the overheating.
Timing could be another but unless the timing has been changed recently it is most probably one of the causes
Posted on Jun 16, 2009
SOURCE: 2002 monte carlo overheating
Better make sure the fan works. There is a switch on the radiator that turns the fan on when it gets to a certain temperature. It could be the fan or the switch. Your thermostat is not your cap, it's in a different location. (Usually at the engine end of the upper radiator hose) Get the leak check! A good garage can pressure test the system to see what leaks you might have.
Posted on Sep 08, 2009
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