oil in radiator fluid

[esr450]

well the other day i was checking the water n my car n found that there was oil in it...i know it has to do with some o-rings or gaskets but idk how to fix it or how much its gonna cost...does anyone know anything aboot dis?

[STLAcura]

I seriously hope you're not using water in your radiator..Is there coolant on the oil dipstick?

[esr450]

haha nah im not using water im using coolant....well there isnt coolant in my oil dipstick but there is some oil build up on my radiator cap and i checked my reservoir n there is also oil build up on the hose that goes into it from the cap