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COOL-DOWN IDLE CHART
TURBO "COOL DOWN" CHART
Driving Conditions Load Turbo Temp
Idle Time (in min-
utes) Before Shut
Down
Stop and Go Empty Cool Less than 1
Stop and Go Medium Warm 1
Highway Speeds Medium Warm 2
City Traffic Max. GCWR Warm 3
Highway Speeds Max. GCWR Warm 4
Uphill Grade Max. GCWR Hot 5
DIESEL EXHAUST FLUID
• Diesel Exhaust Fluid (DEF) sometimes known simply by the name of its active
component, UREA—is a key component of selective catalytic reduction (SCR)
systems, which help diesel vehicles meet stringent emission regulations. DEF is a
liquid reducing agent that reacts with engine exhaust in the presence of a catalyst
to convert smog-forming nitrogen oxides (NOx) into harmless nitrogen and water
vapor.
• Your vehicle is equipped with a Selective Catalytic Reduction system in order to
meet the very stringent diesel emissions standards required by the Environmental
Protection Agency. Selective Catalytic Reduction (SCR) is the first and only
technology in decades to be as good for the environment as it is good for business
and vehicle performance.
• The purpose of the SCR system is to reduce levels of NOx (oxides of nitrogen
emitted from engines) that are harmful to our health and the environment to an
almost near-zero level. Small quantities of Diesel Exhaust Fluid (DEF) are injected
into the exhaust upstream of a catalyst where, when vaporized, convert smog-
forming nitrogen oxides (NOx) into harmless nitrogen (N2) and water vapor (H2O),
two natural components of the air we breathe. You can operate with the comfort
that your vehicle is contributing to a cleaner, healthier world environment for this
and generations to come.
DIESEL
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