pgonzo

hi every one im a new member to this club. i have an is200 2001 modle ,i have had it for six years now and i love it but recently it has been over heating and loseing coolent but cannot find where the leak is if there is one do lose some out of overflow pipe on radiator and large hose leading to water pump do have a lot of pressure in it , it gets very hard to sqweese would be greatful of any sugestiones on how to fix it.thank you.