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bowhunter
Dodge Dakota
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2/15/2006
17:29:49
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 Subject: Cold Dakota
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Message:
I have a 98 V6, and since the day I bought it new, it
does not warm up that well inside in the winter. I tried
everything under the sun, and figure the engine does
not produce that much heat. Does anyone else have
this problem? I've tried a dozen different thermostats,
cold air front, but the temp guage does not go much
futher than between 55 and 100.
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zzark
*GenII*
2/15/2006
20:38:27
| RE: Cold Dakota
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Message:
Have you reverse flushed the heater core?
zzark
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OBIO3
Dodge Dakota
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2/15/2006
21:04:39
| RE: Cold Dakota
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Message:
Think you need to start at square one. Check with another guage or a radiator temp reading tool. determine if your guage is right or wrong. If it is right then a real close examination of the thermostate seats both engine side and the cover part is in order. No problems indicated, my only other thought is resurch for proper thermostate. did you buy the truck new or used. Maybe aftermarket intake is a posibility that requires a differant thermostate . Just got to cover the bases. Don't forget. If the radiator temp check says it's correct, your heater core is pluged or a vacumn problem with the controls . Good luck
So many problems .... So little time
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Gregg
Dodge Dakota
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2/15/2006
21:58:00
| RE: Cold Dakota
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Message:
It's most likely the heater core issue that back-flushing cures 4 out of five times.
You must reverse flush as zzark mentions.
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bowhunter
Dodge Dakota
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2/16/2006
17:13:30
| RE: Cold Dakota
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Message:
Did the reverse flush, to no avail. 0B103: I am thinking it
might be the seat between the thermostat and engine.
How would you check that, as it is very tight in their?
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intensedak39
*GenIII*
2/16/2006
17:36:02
| RE: Cold Dakota
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Message:
have you replaced your thermostat lately?? sounds like it's stuck open.
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?????
Dodge Dakota
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2/17/2006
13:01:42
| RE: Cold Dakota
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Message:
He said its done it since new, don't you guys read?
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spt
Dodge Dakota
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2/17/2006
21:20:11
| RE: Cold Dakota
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Message:
Check and see if the hoses coming from the water pump are on correct. Hot water is suspose to go in the bottom hose and return to the water pump in the top hose. I had my water pump replaced a long time ago and my truck would not produce hot air. I replaced the thermostat tried flushing nothing. Then one day out of frustration I checked how the hoses were hooked up and they were on bakwards. Switched them around and now I have lots of heat. Worth a try.
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OBIO3
Dodge Dakota
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2/17/2006
22:09:49
| RE: Cold Dakota
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Message:
Remove the thermostat and clean the engine seat and upper part seat to look like new . Your most likely going to need a new gasket. Using some type of none hardening liquid that isn't runny but reasonably thin, paint it on the engine side of the thermostate and carefully set it in the engine seat and take it out. If the liquid transfered all the way full circle then that's good. Now clean off the thermostate and paint the top side and set it in the seat on the upper part. This is the one most likely to be warped. If it is, replace. If it is the intake to fix you will need a hardening gasket maker that can withstand the heat and pressure to apply to both surfaces fairly thick. Let it set up but not get hard prior to assembly. I've had good luck with permatex. Just be sure to read the container to determine if it has the qualities you need, Gets hard and withstands pressure.Also, some thermostates are flat all the way to the edge and the good ones have a raised area close to the edge where it sets on the seat. Be sure you have one with that Raised ridge. This is actually a rare problem to have and I stil have thoughts you may will have control problems under your dash. leaking vacumn hose or faulty control switch. Good luck
So many problems .... So little time
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Gregg
Dodge Dakota
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2/17/2006
23:19:32
| RE: Cold Dakota
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Message:
How does the dash temp gauge look? Does it reach normal engine operating temp and blow luke warm air? If the gauge looks okay move on it's not a T-stat issue. Next suspect is the heater core inlet control valve. The valve can stick closed or partially open not allowing hot water to the core. Last and most expensive is a defective core.
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OBIO3
Dodge Dakota
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2/18/2006
00:28:08
| RE: Cold Dakota
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Message:
He covered the guage. Already said it don't go up
So many problems .... So little time
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Gregg
Dodge Dakota
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2/18/2006
01:00:11
| RE: Cold Dakota
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Message:
Uh , maybe I should re-read the post - doh. There are so many like this that are not T-stat related.
OB103 clearly pointed out trying another gauge test and the inlet valve. Loosening or feeling the heater inlet hose should verify low water temp. Seems crazy that multiple stats and installs fail. Interesting.
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