it didn't do it with the y7 mani on it the first time. changed to d15b7 mani and it did it.(then i remembered it was doin it with the b7 mani on the b7) so i took it off. i reinstalled the y7 mani with new gasket and my buddy broke off an intake mani stud. this is when/were i thought the break might have occured. i put the new stud on and completed the install now its leakin coolant.