Question about 2006 Dodge Grand Caravan

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I pur coolant into my radiATER BECAUSE IT RAN HOT I FILLED RADIATER UP WHEN CAR RUNNING THE COOLANT CAME OUT OF TOP OF RADIATER

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  • Dodge Master
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Hi Joe. For your information you never but never fill a radiator when the engine is hot and engine running. Must first have a cool engine open the radiator and if is only topping up coolant be first sure that the water is clean and fresh ( drain the old coolant first ) and after leaving a space for the coolant top up and always not overfill . Then you start the engine and let it run in idle with radiator cap off, turn also the heater on to hot air for helping the coolant to circulate. When you see that the temperature rise close the radiator and continue with engine on idle until the fan starts. Leave the car running till the fan cut out. Switch engine off,let it cool down - for dropping the pressure - and after you do open the radiator to check for any need for topping up coolant. As soon as you have completed just close the radiator.

Posted on May 14, 2014

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Posted on Jan 02, 2017

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2 Answers

Over heating and blowing cold air from heater


Possibly leaking head gasket. Easiest way to check would be to fill radiator full, start engine and watch coolant level in the radiator cap opening. The top radiator hose will become hot when thermostat begins to allow coolant flow through the radiator. You may have to top off the coolant. Still with the radiator cap off watch for water belching out of the radiator neck. If coolant does belch out of the radiator cap neck, refill with water. If it belches out coolant again it would be combustion gassed forcing the coolant out of the radiator.


This process should take about 1/2 hour to diagnose if it is a head gasket leaking combustion gasses into the coolant.


The radiator fan may run once car is shut off to cool engine compartment to prevent gasoline in fuel lines from vaporizing which would cause a condition called "vapor lock". A car won't start if fuel lines are vapor locked.

Good luck, I hope this helps you to figure out the problem.

Apr 17, 2014 | 2005 Buick Rendezvous

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I have a 1994 chevy caprice classic. Put brand new radiator, water pump and thermostat even put new fan motors but it keeps running hot and water in the collant jug keeps bubbling after ive been driving...


CHECK WHETHER THE COOLANT IS PROPERLY CIRCULATING.ALSO CHECK WHETHER THE RADIATER PIPES ARE NOT CLOGGED.ITS ALWAYS BETTER TO USE DISTILLED WATER RATHER THAN NORMAL WATER WHILE MIXING IT WITH COOLANT. ALSO CHECK THE TEMPERATURE SWITCH ATTACHED TO THE RADIATER. A FAULTY RADIATOR CAN STOP THE FANS FROM COOLING.

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Radiator fluid leaked out on my car, but temperature gage has not ran hot. There are slits at the top of the radiator. I'm wondering if the slits are to hlep circulate flow of the air in the coo


you do not fill it to the top. if you lok at the side of the bottle, there is LOW mark HIGH mark. your level should be between those 2 marks. if you filled it all the way to the top, some will leak out when the car gets hot and then the level will go down when car cools off.

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My 1983 toyota ran hot now it wont start


a malfunctioning coolant temperature sensor will often send incorrect information to the vehicle's on-board computer. As a result, when the vehicle reaches a normal operating speed the sensor may relay an incorrect signal to the computer that the engine is overheating resulting in engine shutdown. The vehicle will not be able to start again until the engine has completely cooled. also check coolant level and make sure the coolant radiater fans are working. check for any leak in coolant system, that would cause car to overheat.

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My vehicle is running hot and not blowing any heat. The vehicle usually runs hot when it sits still. I also filled my coolant compartment but the light still comes on saying that I am low on coolant. What...


When the car is completely cool,check the electric fan(s) for smooth rotation.

Clean/check/change the thermo sensor,contact and wire.

===

Excavate air pocket in coolant system / check for head gasket leak

This test will kill two birds with one stone.

===

MAKE SURE THE COOLANT SYSTEM and ENGINE IS COLD!

RAN THIS TEST IN A WELL VENTILATED AREA ONLY!

You will spill some coolant during this air pocket purge test.......BE KIND TO THE ENVIRONMENT and ANIMAL please clean up after the test!

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Put the front end on a pair of ramp or park your car on a VERY STEEP HILL (radiator facing top of the hill) .

Top of the coolant reserve tank

Let it ran for 10-15 minutes.

Monitor for air pockets escaping from coolant reserve tank.

Small amount of bubbles is OK at 1-5 minute mark

After the thermostat open up (after 195 F warm up) at
5-12 minute mark or after high idle you should see less bubbles.

If you do not see any in rush of bubbles then your thermostat may be partially stuck or rusted badly inside the thermostat hosing.

Give the thermostat host few gentle taps.

If you see larger bubbles surfacing after 15 minutes then should do a hydrocarbon (HC) dye test to test for potential head gasket leak.

Let engine cold down and top off coolant reserve tank.

Start monitor for coolant lost

===

A coolant flush is require every 2 years or 24,000 miles.

I recommend the thermostat that has a relief pop-let to reduce the change of burst radiator and coolant hoses.

Make sure you get a new thermostat gasket,black RTV and fresh coolant for the job.

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Please post more information by clicking the comment link on the top right corner.

DON'T FORGET to RATE ME if my tip is helpful to you!

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1 Answer

Coolin system run hot while im driving air is in


start car turn defrost on high this opens heater core all the way take off radiator cap make sure its filled all the way top off overflow till its at normal level, replace caps. open bleeder screw on top of thermostat housing let air out. When coolant runs out and no air close bleeder and check radiater again make sure its full and your done.

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1 Answer

2001 dodge neon dohc engine 2.0 radiater cracked inside a/t oil passage and mixed a/t oil and coolant . after replacing radiater I could not bleeding air.because before thermostat opining,coolant is...


Ok well there are two issues here the boiling and the potential for the transmission to be harmed by the contamination of the tranny fluid by antifreeze. First A/T fluid is not going to harm the coolant system in the least, however antifreeze in the trans. fluid will harm the automatic transmission get the tranny flushed as soon as possible , Change out the thermostat then refill radiator using 50% water 50 % antifreeze ( premixed in container) fill radiator then run the car without radiator cap add coolant as needed, put you radiator cap on and wait 5 - 10 minutes until car comes up to operatimg temp. you must observe the engine to make sure the electric radiator fan comes on after the car runs for at least ten minutes if it does not the problem is the usually the radiator fan relay or the fan coolant temperature sensor last in rare cases the fan itself. As for the air bleed usually letting the car run with the radiator cap off for ten to fifteen minutes will do it just make sure you don't remove the radiator cap when the car is hot 2nd degree burns usually hurt.

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Diagram of engine


Having coolant leaking problems, everytime the car runs it runs hot, coolant filled, when car is then turned off coolant leaks out on drivers side underneath radiator. Hissing sound also on drivers side when running hot.

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