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fseventy
Dodge Dakota
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11/29/2005
21:47:19
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 Subject: no heat in cab
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Message:
Bought my 98' 3.9 back in April, so I haven't tried the heat until now. I takes forever for the air to blow even slightly warm (1/2 hour or more!) Besides the obvious "heater core plugged", and "is there coolant in the system" are there valves to open the coolant flow to the heater core that often fail? What elese should I look for?
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fseventy
Dodge Dakota
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11/29/2005
21:51:08
| RE: no heat in cab
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Message:
Oh, I should add that I replaced the water pump, bypass hose, thermostat (stock temp), and both upper and lower rad hoses last summer. I flushed the system before refilling it as well.
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zzark
Gen II
11/29/2005
23:17:16
| RE: no heat in cab
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Message:
I suggest BACKflushing.
I had flush and cleaned mine. Then I read on here about all the gunk you can only get out by backflushing. And I did get alot of gunk.
Get a Prestone flush kit. You can drain about 2 gallons from the radiator and reuse it. I filtered mine through on old towel.
zzark
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butch
Dodge Dakota
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12/02/2005
22:52:13
| RE: no heat in cab
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Message:
Hi I tried Dans heater core backflush. It works great now . Have not had any heat for years.
Thanks to Dan
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fseventy
Dodge Dakota
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12/03/2005
01:28:35
| RE: no heat in cab
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Message:
Thanks. I'll try backflushing. I think I even have a power flush setup (shop air and water) I think I'll try.
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fseventy
Dodge Dakota
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12/04/2005
23:18:53
| RE: no heat in cab
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Message:
Let's hope flushing did the trick. I actually had to backflush it and the fluch it the normal direction 4 times to finally get the clog blown out. Very little water would flow before and I can tell it's cleaned out now.
Praise to the Dodge engineer who put the coupler on the return heater hose! It would have been a royal pain to get the hose off of the intake.
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Dale A.
Dodge Dakota
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12/05/2005
15:11:05
| RE: no heat in cab
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Message:
When you backflush, are you using air or water?
What is the best way??
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pacman
Dodge Dakota
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12/07/2005
18:08:47
| RE: no heat in cab
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Message:
Hey fseventy,
Tell me about this return heater house coupler. Where is it? At the fire wall or on the water pump side? Did you use a water hose or air?
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