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karldavidson's avatar
karldavidson
Explorer
Aug 05, 2018

Diesel pouring out of filler tube when cap removed...

Over 2 months ago, I installed a 40 gallon auxiliary diesel tank in my Ford F250. Yesterday, I noticed diesel was leaking out under my truck. I checked all connections and none of them were leaking. I...
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Chiefcpo's avatar
Chiefcpo
Explorer
Aug 05, 2018
The instruction/user manual says to fill the main tank and then the aux tank. if the aux is full/overfilled it will leak. At least mine did till I read instructions, and do not fill to full, need room to expand. %0 Gallon is only 48 gallon when leaving room for expansion.

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