2012 Ford F350 Super Duty Support Question
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Question posted by AdalrTJ on April 19th, 2014
What Is The Secondary Cooling System On Ford Diesel For
Current Answers
Answer #1: Posted by agesilaus on May 16th, 2014 4:24 AM
"Engine and secondary cooling system
The cooling system contains an engine cooling loop to cool the engine
and a secondary cooling loop to cool the transmission, exhaust gas
recirculation (EGR), charge air and fuel. The coolant serves three
primary purposes: to provide heat transfer, freeze point protection, and
corrosion protection using additives.
Vehicles with diesel engines typically are used to carry heavy loads and
accumulate mileage rapidly. These two factors may cause the additives in
the coolant to “wear out” in a shorter time. Refer to the Special
operating conditions section for more information about coolant
additives and coolant change intervals. Operating the engine with
insufficient coolant and/or coolant additive can cause severe engine
damage."
The tank is outboard of the air intake under the hood, at the front end.
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