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6.0L Power Stroke Diesel 2003 - 2007 F250, F350 pickup and F350+ Cab Chassis, 2003 - 2005 Excursion and 2003 - 2009 van

Puke again??

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Old Aug 20, 2010 | 10:04 AM
  #1  
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Puke again??

This has got me really confused... truck was puking a few weeks ago but stopped after replacing cap(updated)...Went about 600miles in the last 2 weeks and today it pukes again... Not much but I can see a little splatter around cap..

Coolant is still clear and golden..There is no smoking and does not run hot... performance is fine and no codes..and I swear there doesn't seem to be a loss of fluid..

Question why is it that as soon as I start the truck the coolant goes down about an inch and a half and doesn't seem to move from there... but as soon as I shut it off(HOT OR COLD) it goes up.. Either all the way to min line or sometimes 1/4 to 1/2 below min...??????

Also can someone tell me if theirs does the same?? I always thought the level in the degas bottle should rise when hot and go down when cooled...

Also can someone tell me or show me with a pic where the min coolant level should be cold... Thank you
 
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Old Aug 20, 2010 | 01:45 PM
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The MAXIMUM coolant level should be no higher than the minimum level marked on your bottle--actually 1/2" lower would even be better. You can get quite a variance in the bottle level simply by having your truck parked up or down hill, so make sure you're in a level spot when you fill it.
 
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Old Aug 20, 2010 | 02:13 PM
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Coolant level is all over the place... this morning just below min...took it for a spin around 12 miles check fluid at rest stop and bottle looks almost empty...... come back park same spot and am now 1" below min line... so added so I was 1/4 inch below min took for ride mow 1/4 inch over min... Realy don't get it... why does it fluctuate so much...

Should it be at min when hot, when cold or when running....
 
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Old Aug 20, 2010 | 03:38 PM
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Originally Posted by npccpartsman
The MAXIMUM coolant level should be no higher than the minimum level marked on your bottle--actually 1/2" lower would even be better. You can get quite a variance in the bottle level simply by having your truck parked up or down hill, so make sure you're in a level spot when you fill it.
This should be the level when COLD.
 
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Old Aug 20, 2010 | 05:41 PM
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ok dont mess with it. wait for a 12 hour cold soak. adjust the level 1/2" below the minimum line. and leave it alone.

the coolant level will and should drop when its hot. the coolant level should and will rise when cold.
sorry but thats the way it works.
 
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Old Aug 20, 2010 | 07:01 PM
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Thanks Cheezit.. I guess I overfilled it.. Just checked and its a little over Min... I will get some out.. Cleaned the EGR everything was dry and powdery (see other post)... Thanks again
 
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Old Aug 20, 2010 | 07:05 PM
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yup no problem. if it continues to barf let me know.
 
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