Mysterious coolant level going UP... - Page 2

Mysterious coolant level going UP...

This is a discussion on Mysterious coolant level going UP... within the RAM 1500 Diesel General Discussion forums, part of the RAM 1500 EcoDiesel Forum category; Originally Posted by Kazimodo thanks r3gill , stock ECM time I guess , and dealer visit , 4 year old truck well under warranty millage ...

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Thread: Mysterious coolant level going UP...

  1. #11
    RAM Veteran r3gill's Avatar
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    Quote Originally Posted by Kazimodo View Post
    thanks r3gill , stock ECM time I guess ,
    and dealer visit , 4 year old truck well under warranty millage .
    ..
    anyone know where to get coolant analysed ??

    the tranny oil level check mentioned in video here :
    We use CAT dealer for sampling in the west. Not sure about guys in the east. Might be worth calling local CAT dealer in your area.
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  2. #12
    RAM Jr Member JohnnyMac's Avatar
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    Quote Originally Posted by Anomaly View Post
    Reminds me of a guy at work that bought a Vespa to save on fuel. We secretly added enough every couple of days to keep the tank near full. Boy did he brag about the fuel mileage....
    Hah! Funny, my dad did this back in the day when a coworker bought a spankin new 1960 VW bug. They added a gallon of gas every couple days for a month and like your friend, he boasted about the spectacular fuel efficiency, and then they removed a gallon for a month. The guy was livid and on the phone with the dealership bitching and moaning about how the mpg's dropped so suddenly. Had it in for repair multiple times.

    Sorry to stray OP. Could there be a blown head gasket that is leaking exhaust into the system and forming air pockets that push the coolant out the overflow? Grasping here I know....
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  3. #13
    RAM Diamond Member Captainmal's Avatar
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    Kaz...Not qualified to advise you on anything as my mechanical ability is second to all. Never had a coolant issue for my 114,000 miles. Only thing is the color sure has changed. At times it is clean and orange. Amazing that the times I ad that purple stuff, rarely by the way, it immediately turns orange. I swear there are sometimes darker streaks in that bottle. Then look again and it's again clear.

    Slight color change from time to time does not seem to be unusual.
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    If you wrestle with a pig you'll both get dirty and the pig loves it. .

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  5. #14
    RAM Bronze Member Kazimodo's Avatar
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    Quote Originally Posted by JohnnyMac View Post
    .....

    Sorry to stray OP. Could there be a blown head gasket that is leaking exhaust into the system and forming air pockets that push the coolant out the overflow? Grasping here I know....
    That's another theory , Thanks ,
    truck does not give any hints of bad behavior ,
    one of the few different ways the EGR cooler fails , is known to push exhaust pressure in cooling system above 21 PSi bottle cap , and send coolant down the overflow tube
    but that kind of failure usually gets the level in the bottle to go down , not UP .
    purchased Sept.11 2015 , 4 years old today .
    Last edited by Kazimodo; 09-11-2019 at 07:07 AM.
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  6. #15
    RAM Veteran Lucky Dog's Avatar
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    Do you have any "friends" that might be messing with you?
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  7. #16
    RAM Bronze Member Kazimodo's Avatar
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    Quote Originally Posted by Lucky Dog View Post
    Do you have any "friends" that might be messing with you?
    No , lol , truck is a drive way queen ,
    I'm retired , so the truck is never left unwatched for any period of time .
    30,000km ( 20,000 miles ) that's not a lot of miles for a failure .....
    I will not be the first .....
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  8. #17
    Administrator 97hmcs's Avatar
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    I'm leaning towards a leaking EGR cooler pressurizing the coolant. I wonder if since the EGR is shut off (GDE), there's not coolant leaking into the intake???

    I think trans fluid would be more obvious if it was mixed with the coolant.

  9. #18
    RAM Bronze Member Kazimodo's Avatar
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    Day 2

    took out the jar from day 1 and looked at it in the light ,
    and also in direct sunlight , wow big difference in color ,
    in indirect light ==> nice clear Pink clear as can be , move it 1 foot left into direct
    sunlight and it turns orange , looks like a cloud in it too ,
    huge difference in color.
    ----------------------------------------------------------------------------------------------------------------

    SO, with coolant level on full cold line , I went for a ride ,
    I figured just long enough to bring temperatures to the normal operating level.

    after just 10 minutes and temperatures NOT high yet , I got curious ,
    that scientific experiment did thiat to me , too curious to wait ,
    I opened the hood already UP 1/2 inch .... was thinking maybe it's normal ,
    the line says :full COLD , maybe it goes up when warm ,,,,

    after another 15 minutes , I stop and look , higher still , ...
    turn around head back home , when I get home it had risen definitely higher again ,
    ..
    Next I did a few things ,including a messy mistakes..
    drive truck up on ramps , ( inclined drive-way , wanted level truck )for
    proper level in degas botle , took pictures ,
    then went under Truck and I removed my Mayo jar Mod ( mistake , too soon ),,,,

    we all know by now that the cap on the degas bottle is pulled down
    by succion when cold , very hard to remove , up on stepladder I turned the cap
    slowly to remove it , well it turned freely , 2 fingers , yesterday when cold
    I needed " FULL " hand strenght ,
    but soon as it got loose , maybe 2 turns , the cap let coolant
    out the tube that starts under the degas bottle and I heard it gush under
    the truck out of my extension tube to reach " removed "Mayo Jar Mod , crap,,,

    I fixed a tube from extension tube to a bucket to continue removing
    degas bottle cap , gushed a little more , but into the bucket ...
    reinstalled a new clean Mayo Jar , zip tied it , with tube not going all
    the way down to the bottom of the Jar , to test my theory that yesterday
    the exttension tube was resting " IN " coolant in Mayo jar , and there was no
    way to introduce air in the system ,

    sucked out more coolant from degas bottle to take it down to the
    cold full line , (even if it was warm ,I know ) , will check tomorrow if it
    went down overnight while getting cold.

    sorry for the ones who hate long posts...

    to be continued ....
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  10. #19
    MAS
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    A coworker had leaking injector cups on a 7.3 power stroke that filled his cooling system with diesel. Anyone know if it’s possible for something similar on the ecodiesel?

  11. #20
    RAM Bronze Member Kazimodo's Avatar
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    Question is , why do others with failing EGR cooler find their bottles way low ,
    and if it is my EGR cooler failing , why is mine going up instead of down ,
    ..
    does it go up first like mine , then with no room to rise anymore , just gush out the overflow tube ,
    and later the same pressure would push more additional air in degas bottle and air pressure replacing the coolant until some day
    owner opens the hood and sees coolant way down in bottle ???????

    That's all I got on EGR cooler failure to explain this " GOING UP " patern .
    Last edited by Kazimodo; 09-12-2019 at 08:52 AM.

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