You pressure test the cooling system
If you have a blown head gasket. you pour it in the radiator and it's suppose to fix your blown head gasket. I've never used it so i don't know if it actually works
usually white smoke emptied radiator overheating etc
check engine oil for water and check radiator for oil
I have a 1990 Mustang 5.0. I know for a fact the head gasket is blown. Every time I open the radiator there is a release of pressure. So my answer is yes.
If the motor will start and idle- let it warm up then carefully remove the radiator cap while the motor idles, if you see small bubbles coming to the surface in the radiator it is a blown head gasket. Replace gasket promptly it can do damage to the motor.
what are you asking here? PLease be more specific ...like - how do I know if my head gasket is blown, or what do I do about a blown head gasket ......
a good indication of blown head gasket is water in the oil. so if you pull oil dipstick the oil will be white and gooy.also oil in radiator is another indication,and collant leaking from area between head and block
with the engine cold, remove the radiator cap ( the one that states do not open hot). is there coolant in it? if there is then start the engine and look for any large "burps" inside the radiator, rev the engine to 2000 rpm if the gasket is "blown" between cylinders and not to the water jacket a compression test will be needed
Engine overheating, white smoke from the tailpipe, coolant in the oil, air bubbling from radiator with cap off engine cold and running. A compression test will verify if indeed the gasket is blown.
perform a pressure test on the cylinders. if they don't hold pressure it's a blown head gasket
Is the cooling fan[s] coming on? is the radiator full of coolant ?does the engine have a blown head gasket or cracked head? Why did it need a radiator?
There are several possible indications of a blown head gasket: If the head gasket is blown between adjacent cylinders there will be poor or no compression in either cylinder. Poor compression in any cylinder can be caused by a blown head gasket. That condition can also be caused by a burned valve or piston. Coolant in the crank case can be caused by a blown head gasket. Compression in the coolant can be caused by a blown head gasket. An engine with a blown head gasket usually loses performance and runs poorly or not at all.