BLaCkHoWLiNG said:
sometimes changing the gasket alone wont help.. u need to skim the head (and in some extreme cases, the block also has to be skimmed).. then only the surface will be equal (flat).. else there will be leakage.. radiator fan not working will result in overheating but not drying of radiator water
this is a possibilty but normally occurs after the engine suffered from very high temperature causing the cylinder head and/or engine block to twist.
one way to check for burnt cylinder head gasket is by cranking the engine and radiator cap removed.
if water shoots up - that's it. u need to change a new head gasket as well as skim the surface.
otherwise look at some other points.
in a cooling system, there are many supporting components.
my best advise is to conduct a pressure test. need a special tool though.
this is a list of a common cooling system in a liquid cooled vehicle.
1. radiator
2. radiator hoses
3. radiator cap
4. radiator expansion tank @ spare tank
5. radiator fan motor
6. radiator fan blade
7. radiator fan guard @ shroud
8. water pump
9. thermostat
10. water inlet pipe
excpet for item 5,6 & 7, all the above could let water leak either during engine operating or even during halt.