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Old 03-14-2014, 05:29 AM
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eating coolant….

Truck has gone through a full 4 liters of coolant in a month
I have about 2000 k left on engine warranty so gotta make an app to get it in
I have heard with a bad head gasket the truck will still hold pressure will it still hold it with a bad EGR tube?

no leaks from the rad or anywhere else that i can tell

forgot to say that my oil is fine

Last edited by Ranzan; 03-14-2014 at 05:40 AM.
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Old 03-14-2014, 06:40 AM
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Now I'm no expert on 6.4s, but it's gotta be a problem somewhere between the kaneuter valve and the blinkers. According to legend, when the blinker fluid gets low enough, the Tommy knockers open the kaneuter valve to allow the transfer of fluids from your coolant system into the blinker fluid reservoir so you can still safely warn other motorists of your impending Lane changes.





But really, I'd be tempted to pull vacuum on the coolant system to see it you get bubbles comic from somewhere. If it'll hold vacuum and pressure, I'm at a loss.

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Old 03-14-2014, 06:43 AM
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Quote:
Originally Posted by Ranzan View Post
eating coolant….


but I'd say get it in asap its lost a seal somewhere and needs to be checked out best of luck...oh and dont eat any more coolant cant be good for you.
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Old 03-16-2014, 06:40 AM
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LOL………. truck goes in first thing tomorrow so we will see what the verdict is
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Old 03-16-2014, 11:37 AM
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the horizontal egr coolers fail often on these. Sometimes you can pressure test and crack the rear bolts loose and see coolant coming out. The only other way is to remove it and bench test it.
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Old 04-28-2014, 06:17 PM
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sooo. what was the verdict???? my 6.4 is burning coolant too. no visible leaking in my driveway or work parking lot?? and my egr's are deleted and from what i can see, not in my oil??
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Old 04-29-2014, 04:32 AM
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forgot about this thread………

it ended up being the lower rad hose or so they tell me.

I asked for a call before any work was done.. I somehow missed the call and they put the rad hose in

over 600 bucks later no more leak

not once did i ever see fluid on my driveway or job site
no idea if it was an oring or crack in the hose
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Old 04-30-2014, 07:45 PM
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wow.. thats crazy. i'm taking mine in tomm. see what they say.. =/
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Old 05-03-2014, 08:36 AM
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my hoses and rad to be replaced they said my rad has a leak.
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Old 05-04-2014, 07:22 AM
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Quote:
Originally Posted by TxBoyJay's 08 KR250 View Post
my hoses and rad to be replaced they said my rad has a leak.
A pinhole in the radiator will do that.. Nice and hot so the leak evaporates before anything shows a wet spot.

Glad you found it

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