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lakeside013104's avatar
lakeside013104
Explorer
Dec 11, 2013

2011 F-350 6.7 diesel – Coolant Nitrite Check?

My Ford dealer says that the Coolant Nitrite Strength Check on my 2011 F-350 needs to be done every 15,000 miles for the sum of $100. My questions are: Can a do it your self-person perform this Co...
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C_Schomer's avatar
C_Schomer
Explorer
Dec 11, 2013
I use Fleetguard coolant. The strips are $1 and the additive is fairly cheap. FG says it's not necessary for Cummins but the additive will also keep the Ph up. Craig

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