it could be a head leaking or the intake manifold, if its coming from the very top its most likely the intake manifold gasket
Thermostats determine when antifreeze enters the main cooling system. If the thermostat isn't working correctly, the antifreeze could enter the engine to late, (or not at all) resulting in an over heating engine. Another problem of having antifreeze enter the engine late, is that if your engine is very hot, possibly a little warmer than common, when the antifreeze enters the engine, the cold fluid could cause the engine block to cool down quickly, causing a cracked engine block.
A bad head gasket is the most common cause of antifreeze mixing in the oil. The antifreeze will dilute the oil and it will eventually cause your engine to seize up.
A cracked engine block
If it is motor oil in the anti freeze, then it is either a cracked head, cracked engine block, or a head gasket blown. If it is transmission fluid in your antifreeze, then the radiator is leaking from the transmission cooler ----- although usually that would cause antifreeze to be in your transmission fluid.
Most likely a failed head gasket or a cracked or warped head. Less likely but possible is a crack in the block.
no Yes, it can cause the belt to squeak and slip.
in some case it will. the composition of antifreeze is different by colour. in some engines the chemicals react with the engine parts (i.e. gaskets or seals) and cause the parts to fail. use the proper antifreeze for your engine.
Yes.If you have no antifreeze in the radiator or engine,sometimes it will freeze.Usually a freeze plug in the engine will pop out before any major damage is done. Sometimes the block will crack,or the radiator will crack or burst if no anti freeze is in the system.
the most common cause would be a stuck closed thermostat.
Lack of water in you engine block. Lack of oil in your engine block. Can cause piston siege.
When antifreeze is poured into your oil, it weakens your oil cause it to break down prematurely and can cause your engine to fail by spinning an engine bearing and even smoke. This is also a sign of a blown head gasket.
cracked head or bad gasket