At minus seven degree, you may need to throw the ole hair dryer in that same area as it might not have been stopped up, the water just behind it might be frozen.
This drain might also show coolant also, another sign of a leaking heater core.
Gosh! I hope you have a warm garage to work in.
Here is another way to do it if plan A does not work.
Hey STEVE W. I kind of had to bump into you somewhere! Keep it up! Jump on any post I am on with good information, I welcome any help I can get, so does the asker.
Waiting on good news here.
Tuesday, December 13th, 2016 AT 12:40 PM