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STARTING AND OPERATING 139
STOPPING THE ENGINE
After full load operation, idle the engine for a few minutes before shutting it down. This idle period will allow the lubricating oil and coolant to carry excess heat away from the
turbocharger.
NOTE:
Refer to the following chart for proper engine shutdown.
NOTE:
Under certain conditions the Stop/Start system may be
temporarily disabled and the engine fan will run after the
engine is turned off to protect the engine. These condi-
tions are under high load and high temperature condi-
tions.
COOLING SYSTEM TIPS — AUTOMATIC
T
RANSMISSION
To reduce the potential for engine and transmission
overheating in high ambient temperature conditions, take
the following actions:
City Driving — When stopped, shift the transmission
into NEUTRAL (N) and increase engine idle speed.
Highway Driving — Reduce your speed.
Up Steep Hills — Select a lower transmission gear.
Air Conditioning — Turn it off temporarily.
NOTE:
If the coolant temperature is too high, the A/C will auto-
matically turn off.
Driving Condition Load Turbocharger Temperature Idle Time (min.) Before Engine Shutdown
Stop and Go Empty Cool None
Stop and Go Medium 0.5
Highway Speeds Medium Warm 1.0
City Traffic Maximum GCWR 1.5
Highway Speeds Maximum GCWR 2.0
Uphill Grade Maximum GCWR Hot 2.5
4
23_JT_OM_EN_USC_t.book Page 139
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