Aux diesel tank in bed question...
I purchased a 2008 Silverado and it already had a 74 gallon aux tank in the bed hooked up to the fill pipe of the main tank. I sold the 74 gallon tank and purchased a smaller 37 gallon but was told no...
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Okay, now you got me curious.
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
Why doesn't the auxiliary tank drain into the main truck tank until the auxiliary tank is empty, when the valve is open? Seems like it would if the auxiliary tank is higher than the regular tank.
What am I missing? Surely it isn't just the seal of the fuel cap?
