J.J. wrote:
Thanks Peanut. When I checked the car in daylight the coolant level was a bit low. Nothing drastic & I'm not sure what happened. Topped it up with neat antifreeze & ran it cap off. It warmed up slowly. The stat opened & the level adjusted it self with a lot of expansion. More than I've seen before. The fan cut in & out. No sign of any leaks. All seems fine. I have to wait for better weather to road test it but it may just have something to do with the extreme cold. I live down by a river where it's coldest & the car lives outside. I don't know. But it doesn't seem to have done any damage.
thats what happened to my Lux just before the head gasket failed completly. A small break in the gasket between one of the cyclinders and the coolant sysyem allowed combustion gasses to over-heat the coolant and over -pressurize the coolant system. Whils running the coolant system vented the excess pressure via the filla cap thus the water needed topping up a little periodically. I used to hear some gurgling in the heater occasionally
It might be worth getting a leakdown test done on the coolant system for peace of mind. That water must have gone somewhere.
Hope it turns out to be nothing more than a slight leak of coolant somewhere.
