My Head gasket started leaking the other day and needs replaced.
Im a scared to remove the head because the last time I removed a cummins head I thought I had drained out all the coolant but to my surprise when I pulled the head, coolant drained into the cylinders. Thankfully i only needed the short block was junk anyways.
So is there a way to ensure all the coolant has been drained? Like a port to pressurize or something?