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Relf
Dodge Dakota
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7/17/2009
13:13:40
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 Subject: Cooling problem
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Message:
I have a 1998 4x4 Dak. V6 automatic and whenever the weather gets warm, my truck overheats into the 230 degree range. I haven't upgraded to the electric fan yet, but soon. I have new coolant and a whole bottle of water wetter running in there and I'm using the heater at full blast with my windows down to help with some of the cooling. I have a small leak in the radiator so I'm also using aluma-seal for it.
What else should I check?
Where can I get a double-row radiator?
Thanks.
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Mark
Forum Moderator
7/17/2009
13:16:57
|  RE: Cooling problem
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Message:
You may have an air bubble under your thermostat not allowing it to realize its time to open. Is your upper radiator hose pressurized?
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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daddio
Dodge Dakota
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7/17/2009
13:47:57
| RE: Cooling problem
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I think that as long as you have that leak you will be overheating. And I hope you know that the aluma-seal is only a band-aid to be used for emergencies. Your best bet is repair or replace the radiator. If you want a 2 row I remember reading somewhere about a Durango radiator with 2 rows being available that should fit right in place of your stock unit.
How is your clutch on your mechanical fan? It may be worn out also.
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Relf
Dodge Dakota
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7/17/2009
15:57:03
| RE: Cooling problem
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Message:
Mark, When the engine is hot, the upper seems to have some pressure.
Daddio, I am going to replace the radiator. Thanks for the tip on the Durango. I will check it out. If it still seems to overheat after that then I will take care of the fan.
Relf
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Mark
Forum Moderator
7/17/2009
16:09:28
| RE: Cooling problem
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Message:
Be careful lowering in the new radiator not to touch it on anything that would put a pin hole in it. :-)
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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Bucket
GenII
7/17/2009
16:13:06
| RE: Cooling problem
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Message:
Be careful when choosing an electic fan, i put one in my 98 v-6 and in the summer it runs alot hotter in stop and go traffic,even with the fan running full speed. Also might consider a 180 failsafe thermostat and change out both upper and lower radiator hoses if you've been running that hot for a while, no sense hooking up old hoses to a new radiator and having more problems.
"Your never lost if you dont care where your at".
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Mark
Forum Moderator
7/17/2009
16:58:13
| RE: Cooling problem
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Message:
I heard that the electric fans aren't sufficient too. Once I ordered a black magic (I think thats what it was called) But it didnt fit in front of my radiator. I am happy with the stock one, it never let me down. It is a pain in the butt to take off though. I have the 180 degree thermostat and the heat doesnt work too well in the winter.
-Mark Hryckiewicz
1993 Sport RC SB 5.2L Auto
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daddio
Dodge Dakota
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7/17/2009
17:08:30
| RE: Cooling problem
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Message:
Guys, I've been runnin' around in my '00 QC 3.9 5spd, here in the deep south for the last 5yrs with nothing but the stock electric fan and a 195 factory tstat. The only time my temp gage touches 210 is when I don't have the A/C on(which is almost never down here) idling. I lost that clutch fan a long time ago.
It's never come even close to overheating even idling in traffic in the hottest of summer.
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dane
Dodge Dakota
JOIN HERE
7/26/2009
21:58:40
|  RE: Cooling problem
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i have a 97 dodge dakota v6 mag with 189xxx miles and it over heats in the hotter weather i put a new tranny in and a new fan clutch and that helped a lot
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Relf
Dodge Dakota
JOIN HERE
7/28/2009
22:20:17
|  RE: Cooling problem
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Message:
I finally flushed out my cooling system that I have been clogging for 4 years with aluma-seal, and replaced the radiator, 16lb cap, 195 thermostat and filled it with a Dex-cool type coolant. I also added a Perma-cool 15" fan with adjustable sensor and probe. Everything works fine now.
Relf.
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