Question about 1998 Dodge Dakota

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Cold heater the heater in my truck only gets warm eough to defrost the windows. someone told that there is a valve that is not shutting all the way and it is not letting all the hot air come out.

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  • louron Dec 19, 2008

    I have the same problem, and I also smell antifreeze when I turn the temp selector to hot.

  • Anonymous Dec 23, 2008

    I have the same problem...I've checked and replaced the thermostat and still no 'warm' air!?!

    no one can figure it out, so I'm just concluding that this truck is a piece of ****!!!!


  • Anonymous Dec 25, 2008

    I have the same problem with heating. The heater is not get hot and my trucks often cuts off.

  • prosperity21 Feb 20, 2009

    my radiator water gets hot, and the heater water lines are also warm to the touch but my heater only blows cold air

  • jworton Mar 05, 2009

    I have a '98 Dakota, the fan blows strong, thermostat is working and fluid level is fine. My air is warm at best, I hear there are/or is a fresh air intake door that can hang up, but it is in the dash. Any help on where it is located and how to get to it? Thanks!

  • dan May 11, 2010

    have you checked the thermostat and coolant level?

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If it is not the thermostat missing then it could be linkage to trap doors in the dash. does it blow hard? if so check thermostat.

Posted on Dec 08, 2008

  • joeysabean Jan 31, 2011

    For all you dodge guru,'s out there no fixes for no heat problem

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Heater core is out

Posted on Jan 19, 2009

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1 Answer

Heater is just warm, when you turn on the defroster on high takes a long time to defrost. I have had the car since 2007 and this is not normal. p.s. already changed the thermastat


You could possibly have a bad heater control valve if the car has one. Another item maybe a stuck or faulty blend air door. This would be the actuator most likely. It may not be shutting off all the way to allow complete heat through. The other possibility is a partially clogged heater core.

Nov 13, 2013 | Saturn SL Cars & Trucks

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ALL I GET IS COLD AIR FROM HEATER. HAVE CHANGED THERMOSTAT, BLED COOLING SYSTEM AND HEATER HOSES GOING TO HEATER CORE ARE BOTH HOT. SOMEONE TOLD ME ACUATOR BUT IT MOVES FROM VENTS TO DEFROST AND FLOOR...


There is also an actuator for temp control. It moves doors in the duct work for heat and for cold air. that is the one that needs replacing. the one you are talking about just moves airflow positions.

Nov 01, 2013 | 2001 Chrysler 300M

3 Answers

Heater won't get hot


OK.
Start by warming up the engine, and then shut it off when it is up to operating temperature, and open the hood.
Carefully feel the heater hoses to see if they are hot.
If you are unsure of which they are, ask someone who knows.
They are about 1 inch in diameter and are found at the rear of the engine attached to the firewall.
If they are hot, the problem is likely the flap inside the heater inside the car, which is controlled by a vacuum line or a wire cable.
Someone will need to dismantle the heater box under the dashboard to see about the air flap.
If they are not hot, feel the radiator hoses to see if they are hot.
If the radiator hoses are hot, and the heater hoses are not, you will next check the hot water shut off valve which is in front of the firewall, and in between 2 pieces of one of the heater hoses.
This valve is controlled by a lever on your dash board, that is marked hot or cold, and may have the colors red and blue on it.
Those valves usually fail by "sticking" closed, because lots of people only use the heater a few months of a year.
The valve is opened and closed by a wire cable or a vacuum hose.
If the valve works freely, you may have a "stuck" thermostat in the engine, which would not make enough heat to warm you.
Nowadays, engine thermostats usually stick open when they fail.
A symptom would be the radiator hoses and the radiator are warm but not hot.

Jan 22, 2013 | 1997 Ford Expedition

1 Answer

The rear window will not defrost. Also the defroster and heat are not working properly. It may start blowing warm air and then get cold. Once the heater stays on and Im driving for a distance it will...


i had a 2001 cirrus that did that i found that it was a vacum line for the defrost as for the rear window if the light is on in the buttonon the dash then you might want to see if the wire that goes to the defroster on the window are both hooked up

Nov 21, 2010 | 2000 Chrysler Cirrus

2 Answers

I have an o2 altama and the heater does not work just cold air any suggestions


With the engine warm and the heat turned on, feel the hoses going through the firewall to the heater core. If one is hot and the other cold, you have a clogged heater core which must be backflushed to clear a blockage.

If the hoses are both cold, move up the hoses until you find a valve. This is the heater control valve. If it is hot on one side of the valve, that valve is clogged or shut. Investigate why the valve is not passing coolant - a clog or the actuator is broken/disconnected.

If both sides of the heater control valve are cold, replace the thermostat. While you have the thermostat housing open, make sure there are no blockages in the connection pipes.

Feb 04, 2010 | 2002 Nissan Altima

1 Answer

No heat/defrost 01 corolla


Sounds like you have air trapped in the heater core when you flushed the heater core. loosen the upper most heater core hose and run the engine untill coolant seeps out. Wait until the coolant has reached running temperature.

Jan 17, 2010 | 2001 Toyota Corolla

3 Answers

Windows fog up on the inside when defroster is turned on


leaking heater core. The coolant level may be low also. What it is doing is fogging up the window with the steam coming from the hot engine coolant that runs through your dash board when the heater or defrost is on. This should be under some kind of warranty on an '08.

Dec 05, 2009 | 2008 Hyundai Sonata

1 Answer

Front defogger blows out heater vent when set on DEF. All of the heater, a/c, settings work properly. One day, I turned on the DEF and the warm air blows out of the heater vents, not the defroster area. I...


Sounds like the flap valve in your vent system that allows air to go to the defrosters is either jammed or broken. Unfortunately you will have to take the vent system apart to look.

Nov 05, 2009 | 1989 Oldsmobile Cutlass Ciera

2 Answers

Heater blows cold air. does not get hot and defroster does not work


UNDER THE HOOD TOWARDS THE FIREWALL YOU WILL SEE A HOT WATER CONTROL VALVE.. IN LINE WITH HEATER HOSES... CONFIRM IT CHANGES WHILE SOMEONE ELSE IN THE CAR CHANGES FROM HOT TO COLD.. IF DOES NOT CHANGE THEN THERE IS YOUR PROBLEM...IF DOES CHANGE THEN THE NEXT COMMON PROBLEM IS WHAT THEY CALL THE BLEND DOOR ACTUATOR...THESE ARE LITTLE DOORS IN THE DASH THE DIVERTS AIR IN THE DIRECTION YOU CHOOSE...THIS IS A MAJOR JOB TO REPLACE.. NOT FOR THE DIY

Oct 06, 2009 | 2000 Lincoln LS

1 Answer

1998 olds 88 dash heater vacuum


on the right side of steering colum there is a plug. there is a wire that gets warm and loses connection. check by moving plug. my heater and ac would not work and caused the vacume swith to stay open.

Jan 18, 2009 | Oldsmobile Regency Cars & Trucks

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