CONTENTS
STARTING THE ENGINE —
6.7L DIESEL ENGINE . . . . . . . . . . . . . . . . . . . . .117
▫ Manual Transmission — If Equipped . . . . . . . . .117
▫ Automatic Transmission — If Equipped . . . . . . .117
▫ Keyless Enter-N-Go — Ignition . . . . . . . . . . . . .118
▫ Extreme Cold Weather . . . . . . . . . . . . . . . . . . .121
▫ Normal Starting Procedure — Engine Manifold
Air Temperature Above 66° F (19° C) . . . . . . . . .121
▫ Starting Procedure — Engine Manifold Air
Temperature 0°F To 66°F (–18°C to 19°C) . . . . . .122
▫ Starting Procedure — Engine Manifold Air
Temperature Below 0°F (-18°C) . . . . . . . . . . . . .124
▫ Starting Fluids . . . . . . . . . . . . . . . . . . . . . . . . .125
NORMAL OPERATION —
6.7L DIESEL ENGINE . . . . . . . . . . . . . . . . . . . . .126
▫ Cold Weather Precautions . . . . . . . . . . . . . . . .127
STARTING AND OPERATING
▫ Engine Idling . . . . . . . . . . . . . . . . . . . . . . . . .129
▫ Stopping The Engine . . . . . . . . . . . . . . . . . . . .131
▫ Idle Shutdown . . . . . . . . . . . . . . . . . . . . . . . . .132
▫ Programmable Maximum Vehicle Speed
(Chassis Cab Only). . . . . . . . . . . . . . . . . . . . . .132
▫ Operating Precautions . . . . . . . . . . . . . . . . . . .132
▫ Cooling System Tips — Automatic Transmission . .133
ENGINE BREAK-IN RECOMMENDATIONS —
6.7L DIESEL . . . . . . . . . . . . . . . . . . . . . . . . . . .134
DIESEL EXHAUST BRAKE
(ENGINE BRAKING) . . . . . . . . . . . . . . . . . . . . .134
AUTOMATIC TRANSMISSION . . . . . . . . . . . . . .136
▫ Key Ignition Park Interlock . . . . . . . . . . . . . . . .138
▫ Brake/Transmission Shift Interlock System . . . .138
▫ Six-Speed Automatic Transmission —
If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . .138
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