1996 Subaru Legacy "coolant looks oily" Questions

oily looking coolant. My car runs fine for a day or two then overheats and pumps the coolant into the overflow bottle. Thanks JP what you asking is a quick fix for a head gasket issue. It will only be

...oily substance inside the bottle. I believe that maybe I will have to replace the head gaskets and am told this is a common problem with these engines...what do you think? Ok, there might be just one ...

...looks like smoke but it is more like steam thru the vent,on the vent is oily residew but doesn't smell like coolant? coolant isnt oily. sometimes white vapour (condensation) may visualy appear when ...

...oily looking The coolant is a light brown and oily looking. Car ran fine all day.Temperature drop down to 14 last night Went to put coolant in and found the sludgy looking stuff in the expansion tank ...

...Coolant is oil based.  The oily mess in the overflow could be very old coolant.  Or it could be engine oil from a leaking head gasket.The rusty stuff on the floor inside the car could be ...

...oily substance in the coolant reservoir which we took to be a sign of cylinder head gasket failure but perhaps this engine uses some kind of synthetic high temperature coolant rather than glycol/ ...

...coolant breaks down it forms what looks like a foamy grey sludge, it feels oily and can be mistaken for oil, flush the cooling system add a good radiator sealer like Bars Leak sealer and refill with ...

...oily, caked, or different from other plugs--all are clues). Adjacent cylinders are suspect for head gasket between them (where it is narrow), look for white smoke (coolant) as well, and bubbles in ...

...that goes into rocker cover, and if it is covererd in a white oily substance or if the tube that the filler cap goes into has the white gunge in it yo have oil and water / coolant mixing in your ...

...oily, plus be sure that you have NO coolant in your oil too. These are cheapy single core radiators, that clog quit easily especially, if you add any stop leak. They are very difficult to flush and ...