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tin-knocker
Dodge Dakota
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1/18/2004
20:41:46

Subject: RE: Dakota Heater Problem
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if you have a 165 t stat you wont get any heat




Barb
Dodge Dakota
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1/19/2004
08:57:40

RE: Dakota Heater Problem
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Our 1988 Dakota has had the heater core, water pump and t-stat replaced. It still has no heat until driven about 10 milea. Then the water light goes on and then off. About 1/2 mile later there is heat. The truck is warmed up before leaving.

Parts store suggested new valve. Could it need the reverse flush that so many of you mentioned.

Appreciate any help. Its been cold up here



Dianes 88 Dak
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1/19/2004
12:44:59

RE: Dakota Heater Problem
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Try Dan's flush Barb. It's known to work wonders.

Diane's 88 Dakota [MOPAR RULES...other's... well, you know]

Barb
Dodge Dakota
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1/19/2004
14:47:20

RE: Dakota Heater Problem
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Does this need to be done if heater core has been replaced (backflush)?



J.J. Smith
Dodge Dakota
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1/19/2004
17:00:20

RE: Dakota Heater Problem
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I'll put another t-stat in, this time I'll get 195 instead. that's probably been the prob. I checked the hoses going in and out of the core and their warm. hopefully this will fix it. thanks tin-knocker



Dianes 88 Dak
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1/19/2004
17:06:08

RE: Dakota Heater Problem
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I would definatly give it a try. You never know whats in the hose's going and coming or how much clogging could be in them, keeping the flow down. If there's a lot of crud flowing in there it seems to me, it could be clogging the new core enough to still have no heat. I may be wrong of coarse.

It doesn't take very long to at least give it a try the way Dan tell's to do it. Just read back through the posts a page or two and look for Dan's explaination.

I hope this has been of some help to you, since it seems no one else is on today. One of the guys will probably give you and anwser by this evening also.

Diane's 88 Dakota [MOPAR RULES...other's... well, you know]

Barb
Dodge Dakota
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1/20/2004
22:22:50

RE: Dakota Heater Problem
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The system had all new hoses, heater core, and water pump. Aslo new thermostat. What type of thermostat is reccomende for 88 Dakota with 2.2 engine



Dianes 88 Dak
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1/21/2004
01:53:26

RE: Dakota Heater Problem
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A 195 thermostat. It's possible the new one is faulty.

Sorry Barb. What I should have said was...even with the replacement of core, there maybe lots of crud flowing thru the system. It will end up back in the core.
Also, new water pump=better flow, may have broke crud loose in the radiator that has ended up in the core.
This may be a dumb question, but hows the coolant level?

That valve is right before the core. Try the flush, at least you won't be spending anymore money on it if it works. If it don't work we can go from there.

Good luck!


Diane's 88 Dakota [MOPAR RULES...other's... well, you know]

Fred
Dodge Dakota
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1/26/2004
20:45:42

RE: Dakota Heater Problem
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After 8 hours taking the dash apart and trying to figure how to replace the heater core, I tried the net for instructions and found this site.
After reading Dan's solution, thought I would try.
I disconnected the heater hoses at the flow valve and the splice on the delivery side. I then flushed the core, it was nice and clean, no gunk.
That left me scratching my head. I then decided
to see if the waterpump was pumping water. I first
disconnected the coil wire and cranked it a few times, NOTHING. I then reconnected the coil and started the engine, still nothing.

I had put this waterpump on 3 or 4 years ago and the heat was getting worse and worse. It was a remanufactured pump. I replaced it with a NEW pump (which was identical in looks with the rebuilt pump) and also the short piece of hose up to the splice to the core. Don't ask me to explain it, but I now have heat again.

This on 1989 Dakota with 310 thousand miles on it.

I would recommend Dan's backflush first, followed by heater hose replacement and if you must replace your waterpump, it may be worth the extra $20 for a new one. I know I will never install a rebuilt waterpump again.



Kenny
Dodge Dakota
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1/28/2004
16:11:15

RE: Dakota Heater Problem
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Hello all. I also have the same problem and another one. My heater motor did the same as Diannes. One day a couple months ago,it would blow for awhile the quit,blow,quit,etc. It finally quit, I checked the fuses under the dash and its ok. How do you change the motor and how hard is it too do? Thank's,Kenny



greg
Dodge Dakota
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3/18/2004
10:39:49

RE: Dakota Heater Problem
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I have no heat also, I will try dan's backflush too. But my question is that I can hear air being sucked in from the cowling intake all the time. Is this the norm. THX!



Ross
Dodge Dakota
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3/19/2004
12:03:49

RE: Dakota Heater Problem
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Try checking your resistor pack in the drivers side firewall, email me and ill send pictures

TKD_Eagle4@mchsi.com



stan meadows
Dodge Dakota
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4/12/2004
08:26:24

RE: Dakota Heater Problem
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i have a 2.5 1996 dodge dakota. the heater quit ,and i replaced radiator 2nd one .i also installed a new t-stat,still no heat,i took the radio out and found the cable off of the mixer door,i put it back on ,and was sure that solved the problem. next morning no heat .i dont believe the core is clogged ,but i will try dans suggestion and back flush it. i will let you knowif it works. a little cold in florida, thanks



Tredo
Dodge Dakota
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4/13/2004
03:14:38

RE: Dakota Heater Problem
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I also have a little bit of a problem. I am not sure if my radiator is shot or what, but everytime i keep on putting more water and antifreze in it in a couple of days it starts to overheat but it only happens when my 89 dakota is sitting still. when i am moving it stays cooled. can anyone tell me what the hell is goin gon with this? thanks you help would be much appreciated



Mustang Man
Dodge Dakota
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4/13/2004
17:28:19

RE: Dakota Heater Problem
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Tredo,

Just a guess, but if your Dak stays cool when moving, but not when it's stationary, I'd suspect the fan isn't spinning fast enough. There's no really good way to check the fan clutch that I know of, other than comparing how hard the fan clutch is to spin with the engine off in a similar Dakota.

My car did the same thing, and it was the fan clutch. A salvage yard is a good source for fan clutches, but if it's got a wet, greasy coating on it, the hydraulic fluid has leaked out and it's no good.



Andrew
Dodge Dakota
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11/13/2004
00:39:52

RE: Dakota Heater Problem
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I'm having the same heat problem, little heat at idle and not a whole lot more while driving. I'll give Dan's remedy a shot. So far I had the cooling system flushed at the dealer and replaced the t-stat myself and didn't seem to help, but Dan's solution is logical and seems to have helped many people and is worth a shot, I'll let you know if it works.



Andrew
Dodge Dakota
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11/14/2004
23:02:56

RE: Dakota Heater Problem
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Flushed the core and got lumps of crap out of it along with alot of brown gunk... NOW IT WORKS GREAT!! I couldn't stand putting on a jacket everytime I drove my truck, Thanks Dan



Pat
Dodge Dakota
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11/29/2004
19:44:58

RE: Dakota Heater Problem
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Another satisfied customer. MANY THANKS, DAN. Now to flush out the whole system and get rid of ALL the crap. And the dealer said there was no problem! Hah! Using my photographic thermometer the temp went from 102 deg max. to over 140 deg while driving. It COOLS down to 125 deg at idle. Thanks, again.
Pat



Woody
Dodge Dakota
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12/02/2004
12:55:43

RE: Dakota Heater Problem
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Could someone advise me where to look to find Dans backflushing instructions? If you could email them to me,I need to backflush my system in my '94 Dakota,seems logical & effective.

Thanks Ahead of Time



Pat
Dodge Dakota
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12/02/2004
14:35:47

RE: Dakota Heater Problem
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Woody
Go the the 11/19/2002 post on page two and it has Dan's backflushing procedures. I showed it to our local Dodge dealer and he said he'd never heard of doing that procedure. I'm here to tell you that it DOES work. I just did two more Dakotas last night and both are happy campers ( and warm).



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