a tuner? Bigger turbo or injectors? Or is it just time to
replace a leaking water pump?
you replace your stock water pump with a Sinister Diesel "Welded"
Water Pump to be sure you dont have any further issues. The
factory water pump on the Duramax is known to slip on the
shaft, and even more prone to slipping when more power is
added. If either the impeller or gear slips, you will end
up having major overheating issues, which could lead to very