I HAVE A 2001 CHRYSLER CONCORD AND THE OVERFLOW IS BOILING BUT THE TEMP GAUGE IS NOT SHOWING RUNNING HOT. DO YOU THINK THAT THE TERMOSTAT IS STUCK
Did you ever find out what was wrong ?i have the same exact car and same exact problem
SOURCE: The coolant in the reservoir boils out of vent
Refill the coolant system reservoir when cold. Ensure the cap has a good seal and is tightened down properly With the hood raised, restart and allow the engine to idle until running temperature. 1) No agitation should be seen in the reservoir water, certainly no stream of bubbles or violent movement. If there are violent signs then this points to a blown head gasket. 2) The top rubber hose from the engine to the radiator at some point should become hot. Keeping checking the temperature gauge from time to time to see if the temperature is rising. If there is no temperature gauge response then there is something wrong with the gauge circuitry. 3) at some point here the fan (if electric or clutch operated should become engaged. If the electric fan never comes on either the temperature sensor is faulty, the fan fuse or solenoid relay are not functional or the fan motor is blown. 4) Within a few more minutes the lower hose exiting from radiator to the engine should also become hot. If these two events happen then your pump is circulating the water and the thermostat is functioning.If the top hose does not become hot you need to check your thermostat. If the top hose does become hot but the bottom one does not, even after quite a while, then either the pump is a fault or there is blockage; maybe due to sludge in the radiator core or pipes. To check the thermostat simply remove it and drop it into a pan of boiling water. Immediately you should see the thermostat pop open. Take the pan of water off the heat and watch the thermostat. After about five minutes when the water has begum to cool the thermostat should pop closed again. These events are not subtle so if they are not seen it is likely that a new thermostat will be needed. In the event the system is blocked simply remove coolant hoses and use a high pressure hose to flush the radiator and system clear of sludge. If there is air trapped in the system try putting the interior heater on to full to help flush them out. In an emergency putting on the interior heater can assist the main engine cooling.
Testimonial: "Thank you for your quick response and complete list of trouble shooting senarios. After going through 1 by 1 it looks like the water pump is the guilty party. A $35 part almost took out the whole engine. Thanks again."
SOURCE: 1998 Chrsler Sebring coolant gurlges - now overheating
yes some systems have to be burped or the boil over can occur in the motor and cause head gasket issues..at 195k i think you should check the system for leaks and thermostat if it is opening at right tempatures or is slow..plus the vented cap on your radiator check with vacuum gauge if it holds about 12-14 psi before it vents...
SOURCE: Coolant leak-my radiator fan is not working, it
do u have voltage to the relay? if not then u have a blown fuse or a bad wire
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this happened on the trip home after having an emissions test.
I did. My problem was the water fill cap had not been tightened down after the service center serviced my vehicle a few day before.
Thanks for the responds
Vy v6 ute i went to check my coolant and there was none in there so filled it up and it started to boil after a bit bit my temp gauge said it was fine
if water came out of the little hole at the top of your reservoir then reservoir needs to be replaced. there is also the part your temperature sensor is attached to can be causing the problem. your reservoir cap might need to be replace, you can check the same way the as the last guy said with boiling water. thermostat can also be the problem, but either it works or doesn't in the pressured system that is in your car. i just replace the temp sensor on my car gave me some problems, tried to bleed the system but didn't, so i took of one hose at a time and manually flush out air and seemed to fix the problem. best of luck to you.
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