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dak318
Dodge Dakota
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6/14/2002
21:25:36

Subject: Damn thing keeps over-heating!!!
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Any ideas why my 318 over-heats constantly? I've done the simple stuff already, replaced cap, flushed radiator, etc.

91 sport 318



TEAMFAST
Dodge Dakota
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6/14/2002
21:56:32

RE: Damn thing keeps over-heating!!!
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how quickly does it over heat? is your mixture
50/50? is the thermostat in backwards?



TEAMFAST
Dodge Dakota
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6/14/2002
22:01:09

RE: Damn thing keeps over-heating!!!
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whoops, posted 2 early...here are some more
not enuf coolant
drivebelt loose
rad core blocked
fan not functioning properly
radiator cap not maintaining pressure
ignition timing inncorrect
defective water pump
improper grade of engine oil
inaccurate temperature guage
enjoy



boon
Dodge Dakota
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6/14/2002
23:42:25

RE: Damn thing keeps over-heating!!!
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be careful, some reverse poppet T'stats require a 7lb.low pressure cap.... and new don't mean good. they do hang up sometimes. also check for exhust gas comming out of your radiator. that would be a bad bad thang.
world peace & axle grease



Dak318
Dodge Dakota
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6/15/2002
00:18:59

RE: Damn thing keeps over-heating!!!
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It's possible that the thermostat is backwards, the mix is about 50/50, new HD fan clutch, timing is ok, haven't checked water pump, oil is 15W50 (hot rod mechanic told me anything bigger than a V6 needed it in Texas weather), it's not the temp guage. I smell antifreeze burning, and the hood is hot!

I pretty sure there's nothing wrong with the radiator, it's only 6 months old.



boon
Dodge Dakota
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6/15/2002
00:28:39

RE: Damn thing keeps over-heating!!!
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pointy side towards the hose. (upward)



Tom Slick
GenII
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6/15/2002
02:09:30

RE: Damn thing keeps over-heating!!!
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I also live in Texas, and I run 10W30 with no problems...I've got a 318 with Mopar PCM, a more aggresive cam, and various other mods... You might consider going ahead and replacing your T-stat, as it may be going bad or is installed upside down... getting a flowcooler water pump would also help...

Later!

Tom "Slick"
96 Dakota Sport 5.2 RC SB

Do IT Right
Dodge Dakota
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6/15/2002
03:59:09

RE: Damn thing keeps over-heating!!!
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91-318 lots of mileage!mmmmmmmmm.Lots of garbage in system ? check t-stat,let her get hot,turn on heater.if she cools down,you may have a plugged radiator! have rad rodded out, or replaced,



sandman
Dodge Dakota
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6/15/2002
10:05:52

RE: Damn thing keeps over-heating!!!
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You need to find the blockage. It could be in the heads, in the manifold, the block...... When it starts to overheat you need to take the temp og the various parts of the engine. Hit it with an infered temp sensor.



Dak318
Dodge Dakota
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6/16/2002
23:45:15

RE: Damn thing keeps over-heating!!!
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The radiator is only 6 months old. The motor only had about 60,000 miles on it when it was put in, now it has about 75000 on it, and the 6 month warranty just expired.



handi2
GenIII
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6/17/2002
01:00:33

RE: Damn thing keeps over-heating!!!
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Are you loosing any water..?
Does it overheat in a few minutes..?
Give us more info.

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dak318
Dodge Dakota
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6/17/2002
18:51:13

RE: Damn thing keeps over-heating!!!
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I loose a little water every now and then. It really only over-heats when I drive it like a hot rod.



handi2
GenIII
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6/17/2002
23:26:20

RE: Damn thing keeps over-heating!!!
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Try it a while without the t-stat. Keep a check on the water level.
Try to find the leak if you can.



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2002 Quad Cab SLT Plus 4.7 Every Available Option
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Houghtaling
Dodge Dakota
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7/11/2003
10:24:35

RE: Damn thing keeps over-heating!!!
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I just saw your message. I may be a year late but, I know the answer. It happened to me here in Las Vegas NV. Your radiator is too small. Dakota's have a plastice radiator in them. I had over heating problems until it blew apart on me. Now I have a steel double core radiator and those overheating problems are gone.



Simply Put
Dodge Dakota
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7/11/2003
17:01:33

RE: Damn thing keeps over-heating!!!
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Good diagnosis Houghtaling. Yea no one told you? You must replace the radiator with a better one on every dodge if you want to use the engine feature.



JasonB
Dodge Dakota
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7/11/2003
17:20:18

RE: Damn thing keeps over-heating!!!
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You can cure a lot of overheating problems with a larger capacity radiator. That does not always mean you found the problem though. The good thing about overheating is that several components are used together to cool the engine. Even if you are not smart enough to diagonose a failure, you can always increase engine cooling in other ways.



terry
Dodge Dakota
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7/28/2003
13:47:36

RE: Damn thing keeps over-heating!!!
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well how big of one? did you buy one or yours built bigger? where did you get it? i to live in vegas.



Alan
Dodge Dakota
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7/28/2003
15:18:23

RE: Damn thing keeps over-heating!!!
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Some aftermarket radiators have narrow channels for better cooling,but clog easier than others when an older engine is flushed.There also harder to rod.Drain your radiator and see if there is residual at the top and if the gen. flow is good.



Houghtaling
Dodge Dakota
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7/28/2003
23:47:48

RE: Damn thing keeps over-heating!!!
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I have 109,000+ miles on my 96. Used to be that I would sit at a light in 110F temp and have the truck heat up. One day on 95 north my radiator just blew apart. Litterally. I had it towed to a radiator shop here in Vegas. The old guy, who was old when I was young, still owns and runs the shop. He told me that the plastic radiator in the Dodges are just to small for the heat around here. He said that he could put in the same size radiator in for me if I wanted, but I would have the same problems. I agreed to a new metal one. The old guy says it is not any other problem, but that the radiator is designed for a 4 cylinder not anything bigger.

If anyone wants his address and Number, send me an email. 1houghtaling@earthlink.net

Steve



Shank
GenII
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7/29/2003
21:12:40

RE: Damn thing keeps over-heating!!!
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We had same problem in Bro-In-Laws 318 Ram 1500, we changed T-Stat & Water pump, flushed system 4 diff times. Radiator core was plugged! New aluminum radiator ($180) & problem solved.

Where you located in Tx?

Good Luck!
Shank

If it don't work hit it with a hammer, Still don't werk? GET A BIGGER HAMMER!

andy t.
Dodge Dakota
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8/06/2005
18:47:19

RE: Damn thing keeps over-heating!!!
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One day I was driving on the high way with my ac on at about 90mph. It over heated of course,but it never ran normal again. I drive it for about 40 min. then from 110 it jumps to 220 real fast. I changed the thermo. twice , changed the fan clucth,water pump, flushed. When I turn the heater on it does cool down. I checked the flow from the radiator and it flows nice and constant.Pressure is good. I've about had it and seriosly thinking of selling the piece of junk. 99'gmc sierra. sobody help me!



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