Can coolant level vary?
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Elder User
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Can coolant level vary?
So some of you will remember that I just had my HPOP replaced and a whole bunch of other stuff fixed on my truck. Seems like I smelled coolant the first few days back from the shop. I found the radiator drain leaking a little and tightened it up and it seems fine. I've been checking the coolant level about every day. Yesterday, while the motor was warm, it was about 1/8" below the line. I scurried around to find some ELC 50/50 in case I needed it. Today I checked it and it was back above the line when the motor was warm after a short run. Question is can this be normal or is there reason for concern. I didn't have any coolant loss issue before the repair and I always checked it at least once a week. Am I just too worried it will have something else wrong with it? Thanks.
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I always park in exactly the same spot when I check it so that shouldn't vary. It is filled to the minimum line so that is what I use for reference. Are you saying that you run it below the minimum line?
Hotshot
Joined: Dec 2003
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From: Stuttgart, Ar
Yes. Have for years. As long as there's coolant in the bottle cold it's fine. Since you just had your truck repaired, I'd run it for a while to make sure allllllll the air gets worked out of the system. I normally bleed any pressure off the system while the truck is hot by very slowly opening the cap and then tightening it back immediately.
Hotshot
Joined: Jul 2005
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From: Middle Tn.
As Tim stated, when I had my 05, it could vary one day to another by 1/2 to 3/4 inch. The 6.0 is vary quirky that way. Esp. if I just had to move it a short distance. All of a sudden it would appear low. The next day after running it the missing fluid would reappear. Just normal operating procedures for the 6.0.
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And isn't it just crazy how obsessed we are with these things??! I haven't run my truck in a few weeks and just putting the charger back on... where do I look??? Yes, at the degas tank 
Eventually I will just trust the truck, but maybe not if I stay reading the 6.0 threads on FTE
Eventually I will just trust the truck, but maybe not if I stay reading the 6.0 threads on FTE
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