Ford 2013 F-650 Owner's Manual page 131

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If any of these warnings appear, the contaminated DEF must be purged
and replaced with approved DEF. See an authorized dealer or the
Workshop Manual.
Upon filling the DEF tank after a DEF contaminated warning, normal
operation resumes when the vehicle is restarted.
DEF Guidelines and Information
• DEF is non-flammable, non-toxic, colorless and water-soluble.
• Use only DEF that carries the trademark: AMERICAN PETROLEUM
INSTITUTE CERTIFIED DIESEL EXHAUST FLUID.
• An ammonia odor may be smelled when the cap is removed or during
a refill. Refill the DEF tank in a well-ventilated area.
• Prior to filling the tank, make sure the surrounding area is clean of
debris to prevent contamination.
• Do not dilute DEF with water or any other liquid.
• Do not put DEF in the fuel tank or any other tank on the vehicle.
• Do not re-use the nozzle or the DEF container once it is emptied.
• Do not overfill the DEF tank.
• Avoid spilling DEF on painted surfaces, carpeting or plastic
components. Immediately wipe away any DEF that has spilled on
painted surfaces with a damp cloth and water. If it has already
crystallized, use warm water and a sponge.
• DEF freezes below 12°F (-11°C). Your vehicle is equipped with an
automatic pre-heating system which allows the DEF system to
operate below 12°F (-11°C).
• Do not store the DEF bottle in your vehicle. If it leaks, it could cause
damage to interior components or release an ammonia odor inside the
vehicle.
• Store DEF out of direct sunlight and in temperatures between
23°F–68°F (-5°C–20°C).
NOISE EMISSIONS
In order to comply with the federal exterior noise regulations, your
vehicle may be equipped with noise emission items. Depending on the
vehicle configuration, it may have all or some of the following items:
Air Intake System: Inspect the air cleaner. Do not alter its location. Do
not alter inlet and outlet piping.
Body: Inspect wheel well splash shields, cab shields and underhood
insulation for deterioration, dislocation and orientation.
2013 F-650/750 (f67)
Owners Guide gf, 2nd Printing, March 2013
USA (fus)
Fuel and Refueling