well... this time double check on your head see if you got water n oil mix. if you do then you got bgh. if you dont have the mixture. its kool. but if i dont have water n oil mix. i will first flush the rad.tor first. and double check on my water pump and water pump fan. back in the day i use to have that problem in my mk2. hope this work for you. let me know how you get to work alright.
