Question about 1998 Dodge Durango

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The 1998 durango heater works but wont heat! what is wrong with it?

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Could be a heater core plugged or improper adjustment on the heat exchanger cable. Turn your heater on high and go under the hood and feel the two hoses on the passenger side coming out of the firewall. See if both hoses are hot when the engine is at operating temperature. If they are both hot then there is probably a problem with the cable adjustment or heat exchanger door not functioning right. If only one hose it hot then your heater core is plugged which means changing the heater core or you can take it to a radiator repair facility and they can hook up to your vehicle and can sometimes clean your heater core. We have had success at doing a bunch of plugged heater cores this way. Worked in most all cases.

Posted on Dec 11, 2009

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Related Questions:

1 Answer

Why is there no heat?


there could be a air lock in the cooling system and the heater core is full of air
bleed the air out or have an accredited radiator shop do it
make sure that the heater control valve is getting the signal ( cable, vacuum etc ) from the heater control switch ( climate control module) to turn the coolant system on to the heater core

Dec 31, 2015 | 1998 Dodge Durango

1 Answer

No heat from heater.then when engine is at higher rpm then heat will work. i replaced the thermostat .and it didnt changed


Flush out your cooling system as it is probably clogged at the heater core radiator. When they clog up, they will not work as well at low rpm's than they do at high rpm's.

Sep 24, 2012 | 1998 Dodge Durango

1 Answer

Replaced the thermostat and water pump in my 1998 Dodge Durango and flushed the cooling system but it still won't blow heat. What's the next thing to try?


Check the two hoses going to the heater core.
They will be in the engine compartment on the passenger side fire wall.
Touch both hoses. There should be only about 15 deg. difference between the two of them
If one is hot and the other is cool then the heater core has failed and needs to be replaced.
Hope this helps give feedback thank you FixYa.

Feb 05, 2011 | 1998 Dodge Durango

1 Answer

Heater don't get hot ,one hose gets hot ,but not the other


more thank likely if your heat isnt getting hot then your heater core is going out. i have a 98 durango and just had to have the heater core replaced because it was blowing cool air.

do you notice the smell of antifreeze? is the passenger side floor board wet?

Nov 12, 2010 | 1998 Dodge Durango

1 Answer

I have a 1998 Dodge Durango SLT-V6 that has no heat.


The heater core might need back flushed, I just did mine this winter. Go to dakota-durango.com and introduce your self and your rare as ever truck, a v6 durango, and have fun.

Dec 21, 2009 | 1998 Dodge Durango

1 Answer

1998 dodge durango diagram of dash


The blower has debris in it. It need to be remove and clean out. How do you remove the dash board. See no screws.

Oct 03, 2009 | 1999 Dodge Durango

1 Answer

My dodge durango fan for the heater is not blowing


Check to see if the linkage has gotten disconnected behind the dash.....

Mar 29, 2009 | 2002 Dodge Durango

2 Answers

Low to No Heat in 1998 Dodge Durango


Provided you bled system good with rad cap off & coolant in rad isn't low, i suspect blend/air door may be malfunctioning, perhaps from a vacuum leak. You might be able to feel or see by reaching in behind dash from driver side, and look for vacuum lines & a plug going into the control. Listen for a "hiss" noise anywhere in that area as well. If you can follow the lines, would help, and pay special attention for vacuum line where it enters firewall on outside in engine area & follow it back to vacuum source too.

Mar 02, 2009 | 1998 Dodge Durango

1 Answer

1998 Dodge Durango blows cold air when using heater


The problem that has caused this cold air only issue is the Air Temerture Control Blend Door Actuator Motor, this motor is on the ouside of the air duct about center of the dash, in order to access and replace it u must remove the entire dash assembly. this is about a 12-15 hour job.

Jan 09, 2009 | 1998 Dodge Durango

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