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Can someone tell me how to service my 2001 F250's coolant conditioning. I bought the coolant additive and it says not to add it to the overflow tank. I am using the 3 in 1 test strips and as close as I can tell matching the colors the level is at 1.0. Where would I add the conditioner I don't see a cap on the radiator?
Also, where is the fuel filter located that should probably be changed. The truck has 37,000 Mi.
WITH THE NEW PS QUESTIONS, YOU ARE KINDA IN THE WRONG AREA , BUT DRAIN OUT ABOUT 1 1/2 GALLON OF COOLANT FROM THE DRAINCOCK ON THE RADIATOR, ADD THE SUPPLEMENT TO THE EXPANSION TANK, THEN TOP OFF WITH WHAT YOU DRAINED OUT.