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Old 11-07-2019, 07:02 PM   #1
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Def tank

19 Discovery. How much def fluid does the tank hold? Cant find it anywhere.
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Old 11-07-2019, 07:07 PM   #2
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19 Discovery. How much def fluid does the tank hold? Cant find it anywhere.
Our 17 Discovery has, I believe a 13 gal DEF tank.
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Old 11-07-2019, 08:17 PM   #3
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Same 13 gal. tank on a 19.
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Old 11-07-2019, 08:52 PM   #4
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My 2015 also has a 13 gallon tank
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Old 11-08-2019, 09:11 PM   #5
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The gauge is not calibrated. After 5 gal used, I show only 1/2 tank remaining. Should be 6.5 gal used. Again OEM is optimistic so you dont run out once it is near empty reading, like gas gauges.
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Old 11-09-2019, 06:39 PM   #6
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13 gal.
I carry a spare 2.5 gal def just in case.
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Old 11-25-2019, 10:16 PM   #7
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Quote:
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19 Discovery. How much def fluid does the tank hold? Cant find it anywhere.
On our 2018 44H, the DEF tank is right behind the tag axel on the drivers side and is 13 gallon according to our owners Manual.


Pick up a $9 jug of DEF from Walmart and carry it as a spare if you’re afraid of running out.


I just stop and add DEF when the dash gauge indicates 1 Bar remaining. I never let it get below 1/4 Tank that way.
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Old 11-26-2019, 03:17 PM   #8
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13 gal.
I carry a spare 2.5 gal def just in case.
I do the same thing.
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