Dodge durango overheating
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Gio

United States

#1 Jun 2, 2011
I also have a dodge durango and is ooverheating too.
I have seen all this comments.but what is the best thing to do? I replace the hose and my next step is the thermostat.

can somebody help???

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phil

Levittown, NY

#2 Jun 5, 2011
it could be your radiator is plugged. i had a ranger that i fought an overheating problem with and it ended up being a plugged radiator and heater core.
Dapper Dan

Fort Stewart, GA

#3 Jun 16, 2011
Just went through the same thing. When the vehicle overheats touch the bottom of the radiator to see if it is cool. If it is then you probably have a clogged radiator. The best bet in that scenario is to just replace the radiator. I pulled the waterpump and checked all the hoses and thermostat, and I was about to go crazy.
Jesus

El Dorado Hills, CA

#4 Jun 17, 2011
I have a 2001 Dodge 4.7L. Last year, the check engine light come on because the car was overheating. I replaced the thermostat and the problem whent away. This year, the car is overheating again.
How do I know if it is the radiator or the water pump or a head gasket?
It only over heats in the afternoon when it is very hot and if the AC is on. If the AC is off and the outside temperature is cool, it will not overheat. Ths makes me believe the pump is good, but how can I make sure!
Any help would be appreciated.
Pyrrdin

Tustin, CA

#5 Jun 17, 2011
Just to let everyone know. This topic is going on over here.
http://www.topix.com/forum/autos/dodge-durang...
Pyrrdin

Tustin, CA

#6 Jun 17, 2011
Normally/usually all the obvious questions and answers about overheating with these engines are being checked, replaced again and again and it's not solving the problem.

Yes, this is a repeat post from the other thread, but I want everyone to file complaints about this.

I have a 2001 4.7 SLT 4x4.
This 4.7 has had 3 set of heads on it from overheating and a few weeks ago it overheated again. So now it's ready for it's 4th set of heads. This time it also burned an exhaust valve.

Every external part that involves the cooling system has been replaced each time it's been rebuilt. The only thing that has not been replaced is the block.

Something is seriously wrong with this engine design. Everyone here needs to go the the Better Business Bureau and file a complaint.( http://www.bbb.org/us/ ) Dodge needs to fix this problem and replace these engines. This is the only way to get this fixed.

Tell everyone you know that has a Dodge Overheating problem.

If the BBB get's a flood of complaints they will have no choice but to react on this problem.
Joseph

San Jose, CA

#7 Oct 3, 2011
2000 Durango 4.7L SLT 4x4 with towing package.
Overheated in 100 deg weather towing a small trailor. The water pump, t-stat, fan clutch, and temp sensor were replaced. Now it works fine except on steep hills, then overheats.

I think it must be the Tranny cooler (towing package) or the radiator itself.

Any ideas how to diagnose which one? Or maybe you have another idea?

A sililar thing happend a few years ago, but that time a new radiator cap solved the problem.
Jesus

El Dorado Hills, CA

#8 Oct 13, 2011
After some research, I started to suspect the AC Fan was not working. My 2001 Durango has 2 fans, the radiator (engine) fan and the AC fan. To make a long story short, my AC fan was not working/rotating when the AC was on.
If you turn the AC on (not the heater), the AC fan should also turn on, if not, the fan is probably bad.
I took out the fan on my Durango and I connected it to the car battery to see if it would come on, but it did not. I installed a new one from AutoZone (between $100-$150) and it worked. When I turn on the AC, the fan would turn.
Since then, I have not had any overheating issues.
I hope this helps.
Jesus
Gio wrote:
I also have a dodge durango and is ooverheating too.
I have seen all this comments.but what is the best thing to do? I replace the hose and my next step is the thermostat.
can somebody help???
Dodge Man

Chicago, IL

#9 Oct 13, 2011
Joseph wrote:
2000 Durango 4.7L SLT 4x4 with towing package.
Overheated in 100 deg weather towing a small trailor. The water pump, t-stat, fan clutch, and temp sensor were replaced. Now it works fine except on steep hills, then overheats.
I think it must be the Tranny cooler (towing package) or the radiator itself.
Any ideas how to diagnose which one? Or maybe you have another idea?
A sililar thing happend a few years ago, but that time a new radiator cap solved the problem.
Simple questions, how much weight are you towing? What is the towing capacity of your vehicle? Small trailer empty or loaded? If the towing capacity is exceeded and you have ambient temps of 100 degrees, you will overheat and you will do damage to your transmission. BTW change your transmission fluid immediately!
constitutionalis t

Chicago, IL

#10 Oct 13, 2011
Jesus wrote:
<quoted text>After some research, I started to suspect the AC Fan was not working. My 2001 Durango has 2 fans, the radiator (engine) fan and the AC fan. To make a long story short, my AC fan was not working/rotating when the AC was on.
If you turn the AC on (not the heater), the AC fan should also turn on, if not, the fan is probably bad.
I took out the fan on my Durango and I connected it to the car battery to see if it would come on, but it did not. I installed a new one from AutoZone (between $100-$150) and it worked. When I turn on the AC, the fan would turn.
Since then, I have not had any overheating issues.
I hope this helps.
Jesus
Good job trouble shooting! That's using your head and som common sense.
Joseph

Fort Collins, CO

#11 Jan 25, 2012
Dodge Man wrote:
<quoted text>
Simple questions, how much weight are you towing? What is the towing capacity of your vehicle? Small trailer empty or loaded? If the towing capacity is exceeded and you have ambient temps of 100 degrees, you will overheat and you will do damage to your transmission. BTW change your transmission fluid immediately!
Sorry for the late response... I'm not sure exactly how much weight I was towing, but it was a small Uhaul trialor and only about half full.

Currently the car is fine as long I don't encounter any steep hills. However when I do, even without a trailor, it overheats quickly.

Do you think it could be as simple as bleeding the coolant system?

Thanks
Dodge Man

Granby, MO

#12 Jan 28, 2012
Joseph wrote:
<quoted text>Sorry for the late response... I'm not sure exactly how much weight I was towing, but it was a small Uhaul trialor and only about half full.

Currently the car is fine as long I don't encounter any steep hills. However when I do, even without a trailor, it overheats quickly.

Do you think it could be as simple as bleeding the coolant system?

Thanks
have you checked the coolant level? Air only enters the system when the level gets very low or when the cooling system is drained. Then you have to get the air out of the system. Otherwise, air isn't a factor.

There should be an electric cooling fan in front of your radiator that assists your engine driven fan. Is it working? Check the fuse. Depending on how handy you are, you can test the fan by applying 12 volts to it directly through its connector. That test only verifies the fan will operate. It doesn't test the switch that turns it on.

The fan mounted to your engine is a viscous clutch driven fan. DO NOT TRY THIS WITH THE ENGINE RUNNING! Check the fan by turning the fan manually with the engine cold. Depending on the ambient temp it should spin fairly easily. When the engine is at operating temp, it should be markedly more difficult to spin it. If it fails this test, it requires replacement.

Check the serpentine belt for excessive wear and tension.

Since your are having problems in the scenario you describe, the problem should be in one of the areas described above. Let me know what you find.
Dodge Man

Granby, MO

#13 Jan 28, 2012
Joseph wrote:
<quoted text>Sorry for the late response... I'm not sure exactly how much weight I was towing, but it was a small Uhaul trialor and only about half full.

Currently the car is fine as long I don't encounter any steep hills. However when I do, even without a trailor, it overheats quickly.

Do you think it could be as simple as bleeding the coolant system?

Thanks
Had re-read your original post. I see you have a new fan clutch. If you are running the air conditioner, the aux electric fan needs to operate. Check it and the switch & fuze the controls it.

Forget the trans cooler. It will not cause the vehicle to overheat. The only time these coolers can cause a problem is if they leak the oil they carry. That's rare.
Joseph

Fort Collins, CO

#14 Jan 31, 2012
Dodge Man, Thanks for your advice. I will check the fan, those things you mentioned.
Also, I should say that just prior to when the overheating started, I had the radiator flused. The same thing happened a few years ago, when I drained the radiator to change the hoses, but that time, a new radiator cap solved the problem.
Still doesnt make sense why it only happens on steep hills.
Thanks again,
Dodge Man

United States

#15 Feb 2, 2012
Joseph wrote:
Dodge Man, Thanks for your advice. I will check the fan, those things you mentioned.
Also, I should say that just prior to when the overheating started, I had the radiator flused. The same thing happened a few years ago, when I drained the radiator to change the hoses, but that time, a new radiator cap solved the problem.
Still doesnt make sense why it only happens on steep hills.
Thanks again,
You might want to change the radiator cap again if it's been a few years ago. The rubber seal wears out over time. It may have a tear in it. Cheap to replace. I replace radiator caps when I flush and change coolant.
Ray Ray

Boca Raton, FL

#16 Feb 2, 2012
My overheating Durango 2005 will not cool down even if the heater is running! Something is wrong, however, there is no evidence of a blown head gasket!
Dodge Man

Granby, MO

#17 Feb 2, 2012
Ray Ray wrote:
My overheating Durango 2005 will not cool down even if the heater is running! Something is wrong, however, there is no evidence of a blown head gasket!
Have you done any of the basic checks? Cooling system at the proper level? Is your radiator cap serviceable? Any restrictions in front of the radiator? Are you using a 50/50 mix in your cooling system? When was the last time you flushed the system? Checked the drive belt tensioner and belt condition? See previous post regarding checking the cooling fans.

Have you pressure tested the cooling system to confirm your head gasket diagnosis. Got any white fluff on your crankcase oil dipstick? Stand behind the vehicle while it is running. Do you smell something sweet coming from the exhaust? Is there a white vapor coming from the exhaust as you drive the vehicle?

These are just some of the things you should do to troubleshoot the cooling system. Without knowing how your vehicle is maintained, it is difficult to get a true handle on what could be malfunction. Good luck.
JustaGirl

State College, PA

#18 Jul 15, 2013
Thermastat.. if you're lucky it's not the 4.7L engine because that sucker is located in the bottom hose that comes off the engine and not the top hose.. cheap part to replace but getting to it's a real bitch..
The Dude

Grande Prairie, Canada

#19 Jul 17, 2013
JustaGirl wrote:
Thermastat.. if you're lucky it's not the 4.7L engine because that sucker is located in the bottom hose that comes off the engine and not the top hose.. cheap part to replace but getting to it's a real bitch..
I've just replaced the thermostat in my 4.7, and it was a bitch to get to. One thing I realized after I had tightened everything back up was that I hadn't noted the placement of the valve on the thermostat. What is the orientation of the valve when you replace it?
Dodge Man

United States

#20 Jul 20, 2013
The Dude wrote:
<quoted text>I've just replaced the thermostat in my 4.7, and it was a bitch to get to. One thing I realized after I had tightened everything back up was that I hadn't noted the placement of the valve on the thermostat. What is the orientation of the valve when you replace it?
It can only be installed one way in most instances. The valve faces toward the radiator.

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