I thought that a pressurized system in the AM is the result of a cracked head or leaking head gasket.
On Sun, Mar 1, 2015 at 12:53 PM, dseretakis--- via Mercedes < mercedes@okiebenz.com> wrote: > So I've driven the car now for 250 miles with blocked open tstat and no > overheating. I'm noticing that the cooling system is pressurized in the > mornings. This morning I noticed that the upper and lower radiator hoses > were moderately swollen, and there was a puff of air when I removed > radiator cap. There was some leakage of coolant from the thermostat housing > cover sealed by a rubber o ring which I have not yet replaced. Perhaps > coolant leaking because system pressurized? > I'm considering taking car to radiator shop to have system pressure tested. > Sent from my iPhone > > -- OK Don NSA: The only branch of government that actually listens to US citizens! *“Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of our people need it sorely on these accounts.”* – Mark Twain "There are three kinds of men: The ones that learns by reading. The few who learn by observation. The rest of them have to pee on the electric fence for themselves." WILL ROGERS, *The Manly Wisdom of Will Rogers* 2013 F150, 18 mpg 2012 Passat TDI DSG, 44 mpg 1957 C182A, 12 mpg - but at 150 mph! _______________________________________ http://www.okiebenz.com To search list archives http://www.okiebenz.com/archive/ To Unsubscribe or change delivery options go to: http://mail.okiebenz.com/mailman/listinfo/mercedes_okiebenz.com All posts are the result of individual contributors and as such, those individuals are responsible for the content of the post. The list owner has no control over the content of the messages of each contributor.