Swapping Out a Busted Duramax Heater Core Fitting
Dealing with a leaking duramax heater core fitting is pretty much a rite of passage for anyone who's owned one of these trucks for more than a few years. It's one of those small, seemingly insignificant parts that can absolutely ruin your day if it decides to let go while you're pulling a heavy trailer or just trying to get to work. If you've noticed a sweet, syrupy smell coming from your engine bay or, worse, a puddle of Dex-Cool forming near the passenger side firewall, you're likely staring down a repair that every Duramax owner eventually faces. ...