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To prevent damage to the starter, do not crank the
engine for more than 15 seconds at a time. Wait 10 to
15 seconds before trying again.
The idle speed will automatically decrease as the engine
Turbocharger “Cool Down”
NOTE: Letting the engine idle after severe operation
allows the turbine housing to cool to normal operating
The following chart should be used as a guide in deter-
minning the amount of engine idle time required to
sufficiently cool down the turbocharger before shut
down, depending upon the type of driving and the
amount of cargo.
TURBOCHARGER ؆COOL DOWN؆ CHART
Driving Conditions Idle Time (in minutes) Before Shut Down
Normal Driving Not required.
Aggressive Driving or Heavily Loaded 3
Trailer Tow 5
182 STARTING AND OPERATING