4L60E Power Flow (1st, 2nd, 3rd, & 4th Gear) (Automatic transmission power flow)

How an automatic transmission works can be mysterious. However, it doesn't have to be. Learn how the power flows through the 4L60E automatic transmission. Learn about the clutches, the band, the one-way clutches, the planetary gear sets, etc. All automatic transmissions are outfitted with one, or more, planetary gear sets.