I got a 14oz grease gun a couple years back and it wouldn't stay primed. Today I took it back to warranty it and when I removed the cartridge, it looked like the grease at the end of the cartridge was just dried out and clogged the gun. Is this possible?
2007.5 dodge cummins 6.7 liter. Chevron Delo400 15w40. 7000 mile or 250-300hr intervals.