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Spike
Dodge Dakota
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2/19/2006
23:01:33

Subject: HEAT
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Message:
my truck never gets warmer than 165 which the climite controls on when they are off gets near 180..... hook it up to a machine the temp is 200... no heat .... both hoses to the heater core are HOT .... what could be the problem. Its not a vaccum they tested that too.
When it gets above 50 out a have Heat
98 3.9 4x4 147,000miles rebuilt tran, engine



Wadak
GenIII
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2/19/2006
23:04:49

RE: HEAT
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Sounds like a blocked heater core, a reverse flush may be in order.

92 and 97 Daks both with many mods.

Forseti
Dodge Dakota
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2/19/2006
23:09:03

RE: HEAT
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This is just a guess but .... there is a control flap inside the ductwork under the dash ... it moves to block off the heater core or the AC depending on what you select on the controls..... the flap could be stuck in the "AC" mode not allowing air to pass thru the heater core... thus no hot air out of the vents



Spike
Dodge Dakota
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2/19/2006
23:17:35

RE: HEAT
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i do not think its the flap because i get hot hot heat when the temp out is higher than 50



Forseti
Dodge Dakota
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2/20/2006
18:52:17

RE: HEAT
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Blocked heater core ? Have you tried flushing it ?



Spike
Dodge Dakota
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2/20/2006
22:58:23

RE: HEAT
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Message:
Not a block heater core....
98 3.9



fseventy
Dodge Dakota
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2/22/2006
00:55:35

RE: HEAT
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I have the EXACT same probelm with my 98. I flushed/reverse flushed the core TWICE and still no heat. If I leave the fan on low, it will eventually blow lukewarm air. When outsite temp is above 60 or so, it will blow hotter air. Maybe thermostat stuck open? It does take a loooong time to warm up to full temp. I just replaced the t-stat last summer though, and I am not interested it tearing into it again unless I have no other suggestions.



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