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Oil in the Radiator

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Old 03-31-2007, 12:26 AM
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Oil in the Radiator

I noticed about a month ago when I walked up to my truck that some antifreeze was dripping down from the overflow tank area. Popped the hood and had coolant/oil mess on the wheel well. took the cap off and there was what looked like a thick milkshake inside the radiator. So I topped off the water and limped it back home. In that 20 miles the temp gauge stayed cold. I pushed the truck out in the field happy that I would now have somthing new to shoot at as I have had it with this truck breakin me. Now that I am done freakin out, I checked it over and discovered what looks like some water in the oil as its slightly grayish in color. So after searching the forum I am a bit lossed on where to start. My gut feeling is telling me head gasket or somthing cracked, but what are the chances of the oil cooler taking a dive? would this be the place to start? Thanks for any advice or extra .22 shells
Old 03-31-2007, 01:12 AM
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Sounds like a Head Gasket, or you have a crack somewhere.
Old 03-31-2007, 07:53 AM
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Something like this?


bnold vbmenu_register("postmenu_1403113", true);
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Yes I fear it is true... I noticed a higher than normal level of antifreeze in my overflow as I was preparing to leave.... Popped the cap to see a wonderful mix of brown clumpy mix floating in antifreeze Drained and flushed the coolant to see if maybe the hard WOT runs were taxing my HG and maybe I could refill keep boost low and baby it home....

I checked my oil in (insert name of small town on 121 here) and it was just below full... Drove to Mckinney and checked again... right at add mark No water in oil but man bout a gallon of oil in the radiator!!!!

I reluctantly (being one to absolutely HATE putting someone out) called Mike who was gracious enough to bring his beautiful (read: beautiful, work of art, dove tail raising, hydraulic winching, Ranch Hand accomidating trailer ) and a take-off set of tires to me (380 and I-75). After many measurments by two of us who were so tired the tape measure numbers were blurring to figure out if the trailer was wide enough... Decided the backspacing of Mike's stock wheels were the ticket. Swapped the tires (old fashioned way, 1 at a time, Dodge jack and all) and prepared the trailer for loading (winch drops the back hald of the trailer to form fold to ground dovetail loading ramp)... After much reasurance I loaded my truck (didn't want to scratch all of that stainless and aluminum).

Fit was well as everything else Mike does dang near perfect!!

After some trailer testing and tooling around we set for Denton. Arrived at my house, and unloaded. Then re-swapped the tires... The old fashioned way(read above )

We sat down had a burger and here I type...


Cannot thank Mike enough!! Just as I was telling him, the group of guys we have is outstanding!! No where else have I experienced a group of more free willed giving people than in our North Texas DTR meets!!


The plan is to tow the truck to my shop next weekend and pull the head... Wish to have it o-ringed. Need info those of knowledge please respond!

All-around great meet sucks to loose a HG, but she will come back stronger than ever!! Had a great time, was great to meet Wayne (Fade94) as well as "where's my keys??" Ryan!!



There was something hot about that fire!!! My once hair on my knucles will tell u!!
And just as I fixed that fire.... I will fix the truck!!
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2001.5 Dodge 2500 SO pumped HO NV5600 6spd. 4x4: DSS, 5" Turbo Back to Dual 5" Stacks, Jammer 150HP injectors, BD Short Throw, TWINS HX35-14/ S400, ARP Studs, Smarty, TST COMP, TAG, Coolingmist Stage II, Pyro, Boost, FP, Air Psi, E-Brake Backpressure Guages, Low Pressure Fuel Light, Dual Campaign Pumps, 315-75-16 BFG MTs, 16x10 Weld Racing Alloy Rims, Ranch Hand Front and Rear. 4" Inline Packbrake, Onboard air

503/1001 #2 only
blown HG time for rings!!!
Pro/Sportsman Springs ordered!!
Old 03-31-2007, 12:50 PM
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I am assuming its a head gasket at this point, so the search is on for a head gasket set and some new bolts. I almost attacked the napa guy with a roll of shop towels when he broke it down to me and said about 450 bucks should cover it. I spotted some talk about a marine head gasket sold buy PDW. Should this be the route to take rather then a parts house replacement? I do not have many mods that would crank up boost so a little guidance here would be great. I hate replacing things twice as I am on a budget. Thanks for any hints.
Old 04-01-2007, 08:38 AM
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This happened to my work truck, this is a gasser not a diesel, but still the same theory:

I discovered oil in my radiator, immediately thought the same thing, head gaskets, so I pulled it down, both heads, went ahead and had a valve job done, and when I went to pick up the heads, the mechanic asked me why I did the valve job. So I told him the story, he said "well you haven't fixed the problem then"

He said the oil pressure was overcoming the psi on the water jacket somewhere, he figured cracked block in the oil galley, since the only real pressure is in the crank system, the rest is vented at the top of the motor

I figured since the truck still ran good I'd just drive it, and replace the cooling hoses (because of oil impregnating the hoses and making them to soft) whenever they became soft. This went on for a couple of years or more I can't really remember.

A guy I work with told me to try the block sealer, I figured there's no way it will set up and seal off oil, to slick, I thought about and thought about it, then one Saturday, said what do I have to loose,

Well it worked, and still going strong after 3 years, no oil in the radiator.
Old 04-01-2007, 09:19 PM
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I also have water/antifreeze in the oil so I think that would wipe the bearings out.
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