Crytalized DEF fluid leaking out of the reservoir cap on my beautiful new 2018 Z71. Seems to(00)

Crytalized DEF fluid leaking out of the reservoir cap on my beautiful new 2018 Z71. Seems to(00)

Image gallery: Def Fluid Leak

Crytalized DEF fluid leaking out of the reservoir cap on my beautiful new 2018 Z71. Seems to Diesel exhaust fluid leak forming crystals at a fuel pump. DEF is about 30% synthetic urine. : r Replace Leaking DEF Filter on Freightliner Cascadia Detroit Diesel DD15 - YouTube