Air?
Is it possible there's air trapped in the system? Did you replace the thermostat while you were at it?
That almost sounds like a thermostat sticking and then opening (heart stopping experience I'll tell ya'!) but I'm betting it's air trapped in there.
Is it possible there's air trapped in the system? Did you replace the thermostat while you were at it?
That almost sounds like a thermostat sticking and then opening (heart stopping experience I'll tell ya'!) but I'm betting it's air trapped in there.