Is it harmful to roll back in D gear on an uphill slope?

1 Answers
JohnnyRose
07/29/25 5:41am
Rolling back in D gear on an uphill slope will not cause any harm. For AT vehicles, rolling back in D gear simply results in greater stall speed of the torque converter. Correct gear shifting method for automatic transmission on uphill slopes: When driving uphill, automatic transmission vehicles should be shifted to the forward drive D gear position. Automatic transmission means the driver does not need to manually shift gears - the vehicle will automatically select the appropriate gear based on driving speed and traffic conditions. Reasons for stalling in D gear on uphill slopes: This occurs because the slope is too steep and the D gear transmission ratio is insufficient. In such cases, the gear should be shifted to 2nd or even 1st gear. These lower transmission ratios provide greater torque to overcome the vehicle's weight on steep slopes, maintaining engine speed and preventing stalling.
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