Diesel exhaust fluid storage, Adding diesel exhaust fluid – chassis cab only, Adding diesel exhaust fluid – chassis cab – Dodge 2012 Ram Diesel User Manual
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Diesel Exhaust Fluid Storage
Diesel Exhaust Fluid (DEF) is considered a very stable
product with a long shelf life. If DEF is kept in tempera-
tures between 10° to 90°F (-12° to 32°C), it will last a
minimum of one year.
DEF is subject to freezing at the lowest temperatures. For
example, DEF may freeze at temperatures at or below 12°
F (-11° C). The system has been designed to operate in
this environment.
NOTE:
When working with DEF, it is important to
know that:
• Any containers or parts that come into contact with
DEF must be DEF compatible (plastic or stainless
steel). Copper, brass, aluminum, iron or non-stainless
steel should be avoided as they are subject to corrosion
by DEF.
• If DEF is spilled, it should be wiped up completely
Adding Diesel Exhaust Fluid – Chassis Cab Only
The DEF gauge (located on the EVIC display) will
display the level of DEF remaining in the tank. Refer to
“Electronic Vehicle Information Center (EVIC)” in “Un-
derstanding Your Instrument Panel” for further informa-
tion.
• When the DEF gauge reads 75%, add approximately
2 gallons (7.5 Liters) to fill the DEF tank.
• When the DEF gauge reads 50%, add approximately
4 gallons (15 Liters) to fill the DEF tank.
• When the DEF gauge reads 25%, add approximately
6 gallons (23 Liters) to fill the DEF tank.
NOTE:
Driving conditions (altitude, vehicle speed,
load, etc.) will effect the amount of DEF that is used in
your vehicle.
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