Serious cooling system emergency. Please Help
I have a serious problem that just developed in the last week when temperatures here in Syracuse, NY dipped into negative numbers at night.
What is happening is this...
As I drive, the the temperature guage starts to show overheating, and within about two miles of starting out, I can hear the bubbling sound of coolant bubbling out the top of the plastic resevoir in the engine compartment.
Now, prior to this, I have had a problem with no heat, it just blows but is never warm. Do not know how related that is.
So, the first time this happens, I feer a frozen rad, and limp down to a service station. They of course say the rad is empty and fill it up. However now there is a pretty regular leak in the rad, but I always ensure it is topped up and the plastic resevoir is to level before I drive the couple miles to and from work. However, the problem persists.
Tonight, I topped off the coolant levels at work, drove the couple of miles home, just as it was getting to the red mark on the temp guage. Historically, a little further and that plastic resevoir would be bubbling full and spewing out the top. However, I got home before this happened, and quickly parked and popped the hood. The plastic resevoir hadn't filled up and boiled over yet, but one thing that is probably important that I noticed: None of the hoses were hot. Hell, none of them were even warm. Not the rad hose, the heater intake our exit hose. None of them. What the heck?
Can anyone tell me what is going on here? To just start replacing every cooling components at random is simply cost prohibitive for me... I need a starting point. I know the rad needs replacing because of the pin hole leak, but that can be addressed in time...this greater coolant flow issue is really my concern at the moment.
I am scared I am going to damage a gasket if this keeps up.
What would cause the coolan resevoir to fill up and spew out the top?
What would happen if the heater core froze solid or was completely blocked? Is this consistant with the other symptoms? I am at a loss here.