Re: 99 Dakota heater
[Re: 71yelladustr]
#1538738
11/23/13 05:25 PM
11/23/13 05:25 PM
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Joined: Jan 2003
Posts: 21,074
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,074
Niles , Ohio
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The gauge stays low.That tells you its probally the stat.Easy to change and not expensive.That will affect the heater temp.Rocky
Chrysler Firepower
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Re: 99 Dakota heater
[Re: 71yelladustr]
#1538739
11/23/13 06:12 PM
11/23/13 06:12 PM
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Joined: Jan 2011
Posts: 61
Minnesota
Mad Accountant
OP
member
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OP
member
Joined: Jan 2011
Posts: 61
Minnesota
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Quote:
Most likely the heater core is plugged up internally. Pull the 2 hoses off of the core. Take your garden hose and flush out the heater core going back and forth on the core in and out tubes untill the water flows clear both ways. reattach the coolant hoses and try it. You should have much improved heat for awhile, at least til it plugs again.  
Sorry, should have mentioned it was flushed summer before last and had no problems last winter. Garden hose will be tough in 10 degrees unless I run the hose through the house. Wifey no likey (sigh).
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Re: 99 Dakota heater
[Re: Mad Accountant]
#1538740
11/24/13 09:04 AM
11/24/13 09:04 AM
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Joined: Jan 2003
Posts: 21,074
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,074
Niles , Ohio
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The heater cant blow hot if the engine temp isnt right.You said the gauge stays low now that its cold.That is usually a stat problem.Rocky
Chrysler Firepower
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Re: 99 Dakota heater
[Re: therocks]
#1538741
11/24/13 10:52 AM
11/24/13 10:52 AM
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Joined: Jan 2011
Posts: 61
Minnesota
Mad Accountant
OP
member
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OP
member
Joined: Jan 2011
Posts: 61
Minnesota
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Quote:
The heater cant blow hot if the engine temp isnt right.You said the gauge stays low now that its cold.That is usually a stat problem.Rocky
That's pretty much what I thought. 10 degrees outside, can't wait!
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Re: 99 Dakota heater
[Re: Mad Accountant]
#1538742
11/24/13 11:26 AM
11/24/13 11:26 AM
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Joined: Oct 2010
Posts: 392
Doniphan, Nebraska
Lmopar69
enthusiast
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enthusiast
Joined: Oct 2010
Posts: 392
Doniphan, Nebraska
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Dont really mean to hijack your thread, however Im having the same problem with my 91 Dakota 4 banger. Already replaced the thermostat with a 195. Temp guage will rise but not up to "normal" operating temp.
Engine just stays cool. If I let it sit and idle for about 30 minutes (in 20F temps) it will get warm and the heater will work like a champ. Drive it 3 miles at highway speed and the engine temp drops and the heat is gone.
Checked the electric fan this summer... it only comes on when it should (mid point on the temp guage) and it will only get to that point sitting at idle for quite awhile. But, in the winter, I doubt the fan will ever come on.
So, I covered 3/4 of the radiator with cardboard... still no heat at highway speed.
The dang cooling system just apparently works too well.
I cant think of much else to do to keep some heat in this little truck. It is MUCH needed in the winter temps here in Nebraska!
Laine.
Last edited by LMopar69; 11/24/13 11:28 AM.
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Re: 99 Dakota heater
[Re: Lmopar69]
#1538743
11/24/13 11:37 AM
11/24/13 11:37 AM
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Joined: Jan 2003
Posts: 8,848
poplar bluff mo.
toplescuda
I Whine
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I Whine
Joined: Jan 2003
Posts: 8,848
poplar bluff mo.
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My 98 durango (same set up) will not blow hot air untill i get water movement in the core
what happends is as the water evaprates out of the over flow sooner or later the water level in the rad will drop enuff you WILL get a air block in your heater core
undo the two lines and force some.water through it (water pump does not force flow) and you will find the problem
can try parking on.steep hill and let motor run for a bit and it might come out
night and day differance in.the heat and its free..
1970 barracuda convert. 1 of 59
1970 pro street A.A.R. clone (panther pink)
1971 charger
2015 hellcat challenger. Redline red
2014 quad cab 4x4 ram 8 speed hemi
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Re: 99 Dakota heater
[Re: Lmopar69]
#1538744
11/24/13 03:03 PM
11/24/13 03:03 PM
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Joined: Jan 2003
Posts: 21,074
Niles , Ohio
therocks
oh wait.but hey.lets see.oh yeah.
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oh wait.but hey.lets see.oh yeah.
Joined: Jan 2003
Posts: 21,074
Niles , Ohio
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LMopar they had a TSB on some of the early 2.2s for K cars.It had to do with the lower rad hose.Its been years since Ive read it though.I do remember that it was a lack of heat problem though.You might also try a 205 stat.Rocky
Chrysler Firepower
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Re: 99 Dakota heater
[Re: toplescuda]
#1538746
11/27/13 02:05 PM
11/27/13 02:05 PM
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Joined: Jun 2008
Posts: 1,822
Colorado
denfireguy
top fuel
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top fuel
Joined: Jun 2008
Posts: 1,822
Colorado
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Quote:
My 98 durango (same set up) will not blow hot air untill i get water movement in the core
what happends is as the water evaprates out of the over flow sooner or later the water level in the rad will drop enuff you WILL get a air block in your heater core
undo the two lines and force some.water through it (water pump does not force flow) and you will find the problem
can try parking on.steep hill and let motor run for a bit and it might come out
night and day differance in.the heat and its free..
Same with my Durango, especially if you have rear seat heating. If you let the coolant tank go low, an air bubble will form in the system and lodge in the heater core (both of them in the rear heat case). While there is enough pressure to flow warm water to heat the car in normal conditions, it is not enough to move the air bubbles out quickly. Forcing water through with a garden hose will fix it. Keeping coolant in the overflow will eventually displace the air but it can take several weeks of daily driving well into the operating temperature to do it. Short trips won't. The cardboard trick will also help.
If your temperature gauge is getting to the bottom of the operational white line, there should be enough heat to run the heater. If it is lower than that, thermostat.
All else fails, real estate has not totally recovered in Florida.......
Craig
2014 Ram 1500 Laramie, 73 Cuda
Previous mopars: 62 Valiant, 65 Fury III, 68 Fury III, 72 Satellite, 74 Satellite, 89 Acclaim, 98 Caravan, 2003 Durango
Only previous Non-Mopar: Schwinn Tornado
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