Rust In Filler Neck [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: Rust In Filler Neck


dieselfumes57
03-28-2005, 12:08 PM
I Just Noticed A Ton Of Rust In The Filler Neck On My Truck And Was Wondering If Anybody Else Has Noticed The Same? Could This Contribute To The Injector Issue? Seems Like It Just Rusted Over Night Or Something.

duramaxdiesel
03-28-2005, 12:22 PM
I get that too when I fill up right to the filler neck.

aprr454
03-28-2005, 09:48 PM
I've got rust also.

Diesel_Day_Dreamin
03-28-2005, 10:00 PM
When moisture combines with the sulfur in the fuel, a mild sulfuric acid is the result. Anything metal then rusts.