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Old 12-08-2012, 02:43 PM
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Coolant level

My coolant level has been staying right at or under the "min" mark on the degas bottle. I noticed that after the truck has been running most of the day the coolant level goes down between 1 to 1 1/2 inches below the min mark on the bottle. Once I shut it down and it cools down the level comes back up. Is this normal?
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Old 12-08-2012, 02:55 PM
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Quote:
Originally Posted by 03superstroke View Post
My coolant level has been staying right at or under the "min" mark on the degas bottle. I noticed that after the truck has been running most of the day the coolant level goes down between 1 to 1 1/2 inches below the min mark on the bottle. Once I shut it down and it cools down the level comes back up. Is this normal?
yes.. fill it up to the max mark.. when your engine is cold fill it to the max mark... but yes as it cools and heats up it changes height
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Old 12-08-2012, 03:23 PM
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Originally Posted by kendallcschm View Post
yes.. fill it up to the max mark.. when your engine is cold fill it to the max mark... but yes as it cools and heats up it changes height
Just an FYI, the "new" full mark according to Ford is 1/4" below the min mark.
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Old 12-08-2012, 03:40 PM
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Originally Posted by dhanna6powerstroke View Post
Just an FYI, the "new" full mark according to Ford is 1/4" below the min mark.
This^^^, just make sure your not loosing any.

Sent from my phone that somebody didn't help me get.
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Old 12-11-2012, 02:56 AM
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Originally Posted by dhanna6powerstroke View Post
Just an FYI, the "new" full mark according to Ford is 1/4" below the min mark.
last time i had my degas bottle out, i overfilled it upon reinstalling, and it caused the cap to leak. i didnt know about the new level until reading it on here. opened the hood and saw coolant trails, flipped out thinking it was headgaskets, only to learn i had overfilled the bottle. talk about sweet relief. i keep my, like stated, about a 1/4" below min. it will fluctuate between the minimum mark and 1/4" below, depending on engine temp. this is normal. zero "puking" now.
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Old 12-11-2012, 03:21 AM
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Quote:
Originally Posted by Int.Tech04 View Post
last time i had my degas bottle out, i overfilled it upon reinstalling, and it caused the cap to leak. i didnt know about the new level until reading it on here. opened the hood and saw coolant trails, flipped out thinking it was headgaskets, only to learn i had overfilled the bottle. talk about sweet relief. i keep my, like stated, about a 1/4" below min. it will fluctuate between the minimum mark and 1/4" below, depending on engine temp. this is normal. zero "puking" now.
wow.. i didn't know that! I filed it all the way last time
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Old 12-12-2012, 06:13 AM
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ya min is the new full
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Old 12-12-2012, 04:10 PM
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I have to disagree that it's normal.
When I had leaking head gaskets, the level would drop when hot due to being "over pressurized." When cool it would return to it's original level.
After my head gasket fix, the level RISES when it's hot and settles to the original level when it cools down.
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Old 12-12-2012, 04:45 PM
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^ that is correct.. This is what mine does.. Heat expands
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Old 01-20-2013, 08:47 AM
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when heated mine expands and cool its back to normal only fill when cool to get the rite level.
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