Honda was forced to invent their new system due to the vast array of patents on automatic transmission technology held by BorgWarner and others. Instead of a sprag or roller clutch, Honda's older transmissions rely on pressure circuits to modulate line pressure to change gears. This design is also noteworthy because it preserves engine braking by eliminating a sprag between first and second gears.
CVT TRANSMISSION HONDA MANUAL
Honda's older transmissions such as the Hondamatic semi-automatic transmission and its successors use traditional, individual gears on parallel axes like a manual transmission, with each gear ratio engaged by a separate hydraulic clutch pack. Most of Honda's automatic transmissions are unusual in that they do not use planetary gears like nearly all other makers, however, Honda has recently introduced (2017) an all-new, in-house designed 10-speed automatic that uses planetary gears. ZF has attributed most of these problems to software issues.Īutomatic/Semi-automatic transmissions However, there have been reports of problems with ZF transmissions and Acura recalled its 2015 TLX models. The most notable exception was in 2014, when Honda decided to forgo an in-house designed transmission and chose the ZF 9HP transmission for their Acura TLX V6 model, later extending the offering of the ZF transmission to the Acura MDX, Odyssey, Pilot and Ridgeline. Honda has long built nearly all of its own automobile transmissions, unlike many other automobile manufacturers which often source transmissions from external sources.
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