Today we rebuild the injectors on my Fordson Major Diesel tractor. The injectors were worn and plugging up, new injector tips were needed! I show you how to klhansen. Yes, you need to drain the coolant before pulling injector cups, or you'll wind up with cylinders full of coolant (or at least one). Here's a cutaway of the head thru an injector. The blue passages around the injector cup are full of coolant. First truck -- 1929 Model A Ford pickup, restored from ground up. Best to push down on the insert with your hand while turning bolt. Make sure the big bolt bottoms out on the bracket so you know the tip seated. Remove tool and check injector alignment for square hole in bracket. Don't forget to connect your injector wire. Reinstall injector bracket, bolts, grounding wire, and nut. .

how to remove stuck diesel fuel injector