ENGINE OPERATION - Emergency - What To Do If 1 the check engine lamp is to warn the operator of an impending idle shutdown. When the idle shutdown timer is 30 seconds from expiring, the ECM begins flashing the check engine warning lamp once per second. When the timer expires, the ECM will turn off the warning lamp and shut down the engine. transmission in neutral (N) and set the parking brake. Keep the engine running. See the vehicle operator's manual for instructions on transmission shifting and parking brake information. result in equipment or property dam- age. NOTE The system may also temporarily over- heat during severe operating condi- tions such as: Climbing a hill on a hot day.
Stopping after high-speed/ high- load driving. Debris blocking air flow through the cooling module (radiator). WARNING Engine is Overheating The cooling system may overheat if the coolant level is below normal or if there is sudden loss of coolant. Follow these steps if the engine is overheating. To reduce the chance of personal in- jury, vehicle damage and/or death from overheated engines, which can result in a fire, never leave the engine idling without an alert driver present. If the engine should overheat, as indicat- ed by the engine coolant temperature light, immediate action is required to correct the condition.
Continued unat- tended operation of the engine, even for a short time, may result in serious engine damage or a fire. Failure to comply may result in death, personal injury, equipment or property damage. If the engine coolant temperature warning lamp comes on and the audible alarm sounds showing an overheat condition, or if you have any other reason to suspect the engine may be overheating, DO NOT TURN OFF THE ENGINE unless a low water warning device indicates a loss of coolant. Follow these steps: Follow these steps if the engine coolant temperature is rising, or the temperature is already above normal, and there are no other warning alarms displayed in the instrument cluster. 1.
Reduce engine speed, or stop. When stopped, place the CAUTION The cooling system may overheat if the engine coolant is at the minimum level. A sudden loss of coolant, caused by a split hose or broken hose clamp could also lead to an overheat condition. Always inspect to ensure hoses and clamps are not cracked, worn, or loose. Failure to comply may 12 Y53-1181-1K1 (08/2018)