Chevrolet Low Cab Forward 6.7L Diesel Engine 6500XD (GMNA-Localizing-
U.S.-15749874) - 2022 - CRC - 12/1/21
Driving and Operating
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Actions that Can Lead to a Breakdown with an Automatic Transmission
Actions that can lead to a breakdown
Breakdown symptoms
Stopping the vehicle on an uphill road with the selector lever in a position other than N or
P, the accelerator pedal pressed, and the brakes not applied.
The transmission fluid overheats.
Pressing the accelerator pedal and brake pedal at the same time while the vehicle is in a
gear other than N or P.
Placing the selector lever into any gear with the accelerator pedal pressed and the engine
speed high.
The transmission gears are overloaded.
Placing the selector lever into P before the vehicle has completely stopped.
The parking mechanism will be damaged.
Turning off the engine control switch while driving.
The transmission is not properly lubricated.
Driving with the selector lever in the N position on a long downward slope (this is
dangerous due to the lack of engine brake).