by krustybiker » Wed Nov 21, 2018 12:43 am
Hi, new on here, first post. I've seen some posts regarding my problem, but I've got an extra concern. The heater packed up over a week ago, garage said they bled it, and it worked, until today. Temp gauge is normal, no scary lights. I checked the header tank, it seemed overfull. Later, after it cooled (about 3 hours) I released the filler cap, water spilt out, under some pressure. My query then, is it possible there's something more sinister? What's causing the pressure. I understand cooling systems are pressurised, but this seems excessive. Also, why has the problem returned, is it such a common fault?