NOTE:
• During engine shut down on vehicles equipped with
manual transmissions, it is normal for the diesel engine
to resonate heavily for a moment during engine shut off.
When the engine is connected to a manual transmission,
this resonance causes load gear rattle from the transmis-
sion. This is commonly referred to as “shut down rattle.”
The manufacturer recommends performing engine shut
down with the clutch pedal pushed to the floor (clutch
disengaged). When engine shut down is performed in
this manner the rattle is reduced (not eliminated).
• Refer to the following chart for proper engine shutdown.
Driving
Condition
Load
Turbo-
charger
Tempera-
ture
Idle Time
(min.) Be-
fore Engine
Shutdown
Stop and
Go
Empty Cool Less than
One
Stop and
Go
Medium One
Driving
Condition
Load
Turbo-
charger
Tempera-
ture
Idle Time
(min.) Be-
fore Engine
Shutdown
Highway
Speeds
Medium Warm Two
City Traffic Maximum
GCWR
Three
Highway
Speeds
Maximum
GCWR
Four
Uphill
Grade
Maximum
GCWR
Hot Five
Idle Shutdown
This feature can be enabled so that the truck will automati-
cally shutdown when the truck has been idling for a set
period of time when the engine is at operating tempera-
ture. Idle time can be set in 5 minute increments between 5
and 60 minutes. See your local authorized dealer to enable
this feature.
NOTE: The idle shut down timer is disabled while the PTO
is active.
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