Question about 2003 Chrysler Town & Country

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Losing coolant when coolant is full heat is good, but i keep losing coolant (i cheched for leaks, can't find any) so i replaced the radiator cap and the theromostat, thinking that i'am losing it though the over flow? hose was sucking down when starting (upper), havent noticed since? system was flushed (?) by local garage a few months a go and i replaced the radiator (new).

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  • 308 Answers

Have vehicle pressure tested. there has to be a leak or your leaking -burning your coolant thru combustion system.

Posted on Jan 18, 2013

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Posted on Jan 02, 2017

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SOURCE: We have a 1999 Chrysler 300 M we have good ac

Laura, it sould like a valiant effort so far.
Have you burped the system?
There could be a big air bubble in the heater core that will not allow any anti-freeze to flow through.
Never try to pick a car up over the shoulder and attempt to burp it. :) Instead take a 10MM socket on a long extension ratchet and do this: Open the hood and stand right in the middle in front of the engine. Look in and downward to about the first arm of the injector plenum. That's the big, flat black piece of plastic on the engine with six arms sticking out to the left and right side on top of your engine. Look carefully downward and look for a little nipple sticking out just to the right of center on the top-front on that area. As a guide, follow the top hose from the radiator to the aluminum manifold. Look carefully and you can see it looking back at you. Stick the 10MM socket onto it and turn it COUNTER CLOCKWISE to break it loose. Once loose, either air, or anti-freeze or air AND anti-freeze will come out. To avoid a mess plug in a 1/4" clear hose to it and stick the hose into a bucket. Start the car and watch the air and liquid come out. When it runs clear without any air, give the hose a light twist CLOCKWISE to close it up. Tighten with a wrench. In this process make sure you don't get burned from the anti-freeze or make a big mess on the driveway. Dispose of the used Anti-Freeze properly. and GO!

Posted on Dec 01, 2011

jluis626
  • 22 Answers

SOURCE: Gets hot after replaced thermostat, radiator cap and hoses

it could be the water pump but i think it well be your cylinder head or cylinder head gasket that is beginning to malfunction better get that fixed soon or it can get really bad if your cylinddr head messes up

Posted on Sep 07, 2012

  • 3 Answers

SOURCE: heater does not work. Full coolant new thermostat

Go to auto parts store and buy a coolant system flush kit and flush the system. It doesn't take much to restrict the flow in your heater core, and I guarantee that is your problem. I have seen this many times.

Posted on Dec 17, 2009

cardenderek
  • 783 Answers

SOURCE: My 1999 chrysler sebring jx

all leaks have been fixed? what leaks were there?: what did you replace??

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Posted on Aug 28, 2011

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2006 jeep grand Cherokee limited if the radiator overflow jug is empty will it cause the transmission temp light to come on


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So the level keeps dropping in the reservoir? If you have to keep adding coolant to the reservoir, the system is leaking or losing coolant somewhere. Have the system pressure tested to find the leak. Is the reservoir itself leaking? When the level gets low enough, first the reservoir will go dry, then the radiator level will start to drop.
Here's how the reservoir works: coolant is under pressure from the radiator cap seal. As coolant heats up from hot engine, it expands, and pressure forces the radiator cap seal up, coolant is forced into the reservoir-remember the hot mark on the reservoir? When car is shut off, coolant contracts, creating a vacuum in top of radiator. This vacuum works to suction coolant back from reservoir into the radiator, keeping the radiator topped up, and coolant should now be at the lower cold mark on the reservoir. It is a closed, sealed system. The only loss of coolant will be a very small amount of evaporation from the reservoir. If coolant level keeps dropping, there is a leak somewhere.

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After you replaced the thermostat did you run the engine with the radiator cap of for 20-30 minutes? If you did not then chances are you have an air bubble in your cooling system. If you remove your radiator cap and run your engine for 20-30 minutes that should solve your problem. Be sure you have extra water or coolant on hand when you do this because you may lose some during this process. If you want you can look in the tips section of this site. I have a step by step instructions as how to do this on there. I hope this helps you out.

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1991 Cadillac Fleetwood. The heater was working on passenger side but not that warm. Added antifreeze. Seems to be leaking it. Keep adding. gone thru 2 gallons. How do i get heat.


If you've added two gallons of antifreeze, you need to find out where it's going. Make sure the antifreeze you are adding is diluted with water in a 50/50 solution. Pure antifreeze has little freeze protection and boils quickly. If there is no visible leak, check your oil for coolant contamination. Fill the radiator and leave the radiator cap off. Put the heater controls on hottest setting, but do not turn the heater on. Start the engine and watch the coolant. If the coolant level drops, add more to full. If the coolant is flowing thru the radiator when you first start the engine, the thermostat is stuck open and needs to be replaced. If the water is not flowing, then keep an eye on it and wait for the thermostat to open. Add antifreeze to keep the radiator full. Look for air bubbles or lots of foaming in the coolant. That would indicate a blown head gasket and the reason you are losing antifreeze. If there's no bubbles, and the coolant level stays full, put the radiator cap back on and see if the heater is working better.

Jan 11, 2011 | 1991 Cadillac Fleetwood

1 Answer

Just bought my 2008 Chevy Impala and I love it except when I use the remote start or just start normal, it does not heat up unless I am driving down the road. It blows cold air until i drive. Is this...


You may be low on coolant - or have an air bubble in the heater core! Make sure you have the right antifreeze and mix 50/50 with water. Start car, turn heater on max heat full blast and fill reservoir with coolant. If you have access to the radiator cap I would fill from there. This is a pressurized system, so it may blow some coolant out at you. Squeeze upper radiator hose to ensure it is full, cap radiator and now recheck the reservoir. If this doesn't help, you'll need to raise the front of the vehicle so the radiator cap is above the heater core hoses. Remove cap, start engine with heater and blower on high and fill radiator. Cap radiator before you lower the car and you should be good. Keep an eye on the coolant reservoir as you may have a leak which would cause the low coolant symptom. You also have a sensor to tell you is you are low on coolant. If you are and it is not lighting up, you may want to have it ( the sensor) tested and replaced.
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2 Answers

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does the overheating reduce when you turn on the heat at full speed


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