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Unread 04-14-2014, 05:38 PM   #1
Reskar
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off roading heat soak issue

So I went wheeling this weekend and twice when i shut off the truck and tried to turn it back on the computer was HOT. So hot it didn't let the truck start. Interestingly the temp gauage aways stayed right in the middle. Anyone run into this before? Suggestions? I wasn't running the AC I know that's bad.

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Unread 04-14-2014, 08:41 PM   #2
Bmxer524
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Never had that happen before. Where were you wheeling?
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Unread 04-15-2014, 06:26 AM   #3
tommudd
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Remember that the temp gauge is an idiot gauge. It will stay in the middle until its way too hot almost.
A lot depends on where you were wheeling and also if using high or low range. Possibly you should of been using low instead of high range for example and over heated it that way ( transmission fluid getting too hot from slipping etc. )
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Unread 04-15-2014, 07:27 AM   #4
Reskar
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was wheeling in south jersey pine barrens. I only turn on low range for hill climbs. I honestly wasn't wheeling all that hard but it was kind of hot out (high 70s) I wasn't even in 4wheel drive just cruzing along in 2wd for most of it. Also it's not like the engine block was cooking that was fine it was just the computer got SUPER hot. I know there is that fake vent there. I'm wondering if turning it into a real vent would help?
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Unread 04-15-2014, 07:35 AM   #5
tjkj2002
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Quote:
Originally Posted by Reskar View Post
was wheeling in south jersey pine barrens. I only turn on low range for hill climbs. I honestly wasn't wheeling all that hard but it was kind of hot out (high 70s) I wasn't even in 4wheel drive just cruzing along in 2wd for most of it. Also it's not like the engine block was cooking that was fine it was just the computer got SUPER hot. I know there is that fake vent there. I'm wondering if turning it into a real vent would help?
That would be your issue.I have never used 2wd or 4hi offroad,no point as I'd overheat pretty fast in high range but then again at 10,000' there is not much air to cool.


Over working the engine and trans creating a lot of heat that was at the max of your cooling system ability to maintain.
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Unread 04-15-2014, 08:36 AM   #6
tommudd
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^^^^^ yes
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Unread 04-15-2014, 10:25 AM   #7
Bmxer524
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Troy, depending on what trails you take a lot of the pine barrens are literally dirt roads. Some cars can even make it through a few of them...
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Unread 04-15-2014, 10:30 AM   #8
tommudd
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But still slow going, driving slow, not moving fast enough to keep everything cooled down.
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Unread 04-15-2014, 11:12 AM   #9
tjkj2002
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Originally Posted by Bmxer524 View Post
Troy, depending on what trails you take a lot of the pine barrens are literally dirt roads. Some cars can even make it through a few of them...
I still use 4low only on the "scenic" trails I've done here.Anything but a maintained gravel road or better I'm in 4low,gotta get my $2500 worth out of the Atlas!
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Unread 04-16-2014, 08:19 AM   #10
Reskar
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So I should always be offroading in 4 low and not worry about stress in the drivetrain?
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Unread 04-16-2014, 07:20 PM   #11
tjkj2002
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Originally Posted by Reskar View Post
So I should always be offroading in 4 low and not worry about stress in the drivetrain?
Being in 4low is actually less stressful to the powertrain.Just keep the rpm's below 3500rpm's.
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Unread 04-18-2014, 06:40 AM   #12
Reskar
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i guess i'm just confused as to all the opinions i've heard in the past about "only use 4wd if you have to" and so on. That because it locks front and rear together I shouldn't use it unless i'm on loose ground. Or does dirt roads count as loose ground?
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Unread 04-18-2014, 02:46 PM   #13
wjkrostek
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I don't get it. How do you know how hot your computer is? Where are you checking it? What temp is it normally? Dirt roads are loose ground (enough) but unless your slipping in two wheel there is no need for 4 wheel drive and unless your working it and slipping your transmission there is no need for Low. I think one of the best things you guys that use your transmissions should install a temp gauge for the trany. That way you know when your working her to hard.
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Unread 04-18-2014, 04:15 PM   #14
Reskar
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I know how hot my computer was because I touched it and it burned my hand
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Unread 04-19-2014, 12:20 AM   #15
wjkrostek
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That is hot. Must be over 140 degrees to burn your hand. My wife just came home from a 1/2 hour drive so I went out and felt the computer on my KK and it was cold. Of course I live in a cold place. Have you checked it before this happened to see how hot it normally gets? That would be a good Idea so you know. Hope someone else will come on here and tell us what normal is because I don't know. I will be checking mine more often after reading your story. I would be worried if mine got that hot. Good luck.
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