DEF Fill Procedure
1. Remove cap from DEF tank (located behind the fuel door on drivers side of the
vehicle).
2. Insert DEF container or fill nozzle into
DEF fill location and fill DEF tank.
3. Reinstall cap onto DEF tank.
Refer to your Diesel Supplement on the
DVD for further details.
CAUTION!
• To avoid DEF spillage, and possible damage to the DEF tank from overfilling, do
not “top off” the DEF tank after filling.
• DO NOT OVERFILL. DEF will freeze below 12ºF (-11ºC). The DEF system is
designed to work in temperatures below the DEF freezing point, however, if the
tank is overfilled and freezes, the system could be damaged.
• When DEF is spilled, clean the area immediately with water and use an
absorbent material to soak up the spills on the ground.
• Do not attempt to start your engine if DEF is accidentally added to the diesel fuel
tank as it can result in severe damage to your engine, including but not limited
to failure of the fuel pump and injectors.
• Never add anything other than DEF to the tank – especially any form of
hydrocarbon such as diesel fuel, fuel system additives, gasoline, or any other
petroleum-based product. Even a very small amount of these (less than
100 parts per million or less than 1 oz. per 78 gallons) will contaminate the
entire DEF system and will require replacement. If owners use a container,
funnel or nozzle when refilling the tank, it should either be new or one that is has
only been used for adding DEF. MOPAR provides an attachable nozzle with its
DEF for this purpose.
Fill Locations
1 — Diesel Exhaust Fluid (DEF) Fill
Location
2 — Diesel Fuel Fill Location
6.7L CUMMINS DIESEL
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