Duramax DEF Pump Replacement Guide
Facing the DEF Dilemma: Your Guide to a Smooth Duramax DEF Pump Replacement Alright, let's be honest. If you're here, chances are you've seen that message pop up on your Duramax's dash: "Service Exhaust Fluid System," "Speed Limited to XX MPH in XXX Miles," or perhaps that dreaded Check Engine Light just won't quit. And often, for Duramax owners, a big culprit behind these headaches is a struggling or completely kaput DEF pump. ...