do you have to remove thermostat to use blue devil

Can you put Blue Devil in coolant reservoir?

Can you put Blue Devil in coolant reservoir?

No, it is not recommended to put Blue Devil in a coolant reservoir. Blue Devil is a type of sealant product that is designed to seal small leaks in radiators, engine blocks, and other cooling systems. It is not intended to be used as a complete coolant replacement or for filling the coolant reservoir. Coolant […]

read more...