Chevrolet Low Cab Forward 6.0L Gasoline Engine 3500/4500 Series (GMNA-
Localizing-U.S.-12533400) - 2019 - CRC - 11/19/18
Driving and Operating
171
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).