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Coolant Temps

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Old 07-29-2008, 01:41 PM
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Coolant Temps

Has anyone who tows had any high coolant temps?
My outlook reads 210-220, maybe it's the outlook.
Also, dodge says to use G-05 or things will go sour(like high temps) I just thought dodge wants us to use thier stuff.
On my coolant needle , it will go 1/8-1/4 inch past the 200 mark,sometimes past the second zero.
Old 07-29-2008, 01:45 PM
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Mine rides high to. They do run 195* thermostats and running the ac wil cause the temp to climb also.
Old 07-29-2008, 01:46 PM
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I did until I switched to synthetic engine oil.
Old 07-29-2008, 01:49 PM
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I run synthetic and my temps are around 195 when not towing.
Old 07-29-2008, 01:56 PM
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Sounds right, mine is about the same.
Old 07-29-2008, 02:00 PM
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OK.I was doing a reality check.Cummins told me it's ok up to 225.My old 2nd gen never seen anything like that even pulling a grade while towing.
Old 07-29-2008, 02:17 PM
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my outlook also reads really high with just a fourwheeler in the back and trying to pull up a hill in 6th gear i can see 223 fairly easily ive seen as high as 234 yet on my stock guage its only like 2 needle witdhs over the line that is straight up and down (90) i think it says.
Old 07-29-2008, 02:24 PM
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Originally Posted by moparmatt
my outlook also reads really high with just a fourwheeler in the back and trying to pull up a hill in 6th gear i can see 223 fairly easily ive seen as high as 234 yet on my stock guage its only like 2 needle witdhs over the line that is straight up and down (90) i think it says.
Are you saying it is a little past 90 degrees?
I'm not sure what the 2004 gauge looks like.
Maybe it's the outlook!
Old 07-29-2008, 02:29 PM
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I noticed a big increase when i added my replacement bumper. prob 10 degrees
Old 07-29-2008, 02:42 PM
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My main question is,what is a safe temp?
Old 07-29-2008, 02:56 PM
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if you dont like the coolant temp hitting 210*, you dont want to look at your oil temp when pulling then... upwards of 250* when pulling heavy and hard.

the 3rd gens run higher temps than previous engines, the oil squirters(for the pistons) remove more heat off the pistons, and the coolant has to absorb the heat the oil picked up.. the temp gauge will climb when hauling, but not high enough to cause concern. just ensure you have the proper amount of coolant, that your fan clutch works, and the belt is in good condition.
Old 07-29-2008, 03:00 PM
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I can't hear my fan too much.It does not roar as often as my 2nd gen did.
Old 07-29-2008, 03:21 PM
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It was 92 degrees here today.

I drove my truck, with the A/C on, and the coolant never got above 190 degrees.
Old 07-29-2008, 03:34 PM
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Oh, 90 degrees ambient.Mine will be 190-195 while not towing too.I guess I'll be ok at 220 degrees according to cummins.
Old 07-29-2008, 06:21 PM
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More fuel = more power = more heat.


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