If you place the transmission in 2nd equipment, it won't ever downshift or upshift from second, even from a complete end, Except if you move the change lever. Mostly, the automatic gearbox makes use of a roller clutch for program upshifts/downshifts. It operates the same as a ratchet. It transmits https://gearbox-auto20751.blogoxo.com/33893340/the-basic-principles-of-gearbox-auto