Here’s how a Honda Automatic transmission works! In this video, we teardown the automatic transmission from a Honda Accord Hybrid V6 to see what’s inside, how an automated manual transaxle works and what are the typical failure points in the notorious Honda V6 transmissions.


Honda’s V6 automatic transmissions are non-traditional in design, doing away without planetary gearsets. Instead, they resemble a manual transaxle in design – that’s because it is essentially an automated manual. It has four separate shafts, each of which housing its own set of gears that are controlled by fluid clutches instead of shifter forks.


The mainshaft drives 4th and 5th gear, while the countershaft takes the rotation from all the other gears and drives the final drive. There’s a separate intermediary shaft for 3rd gear and a secondary shaft for 1st and 2nd gear. The valve body is housed at the front of the transmission, behind the torque converter, with some of its passages machined directly into the transmission casing. This is done for tighter packaging, so Honda was able to sandwich an electric motor for the integrated motor assist.

Skip to section in the video:
0:00 Introduction
0:43 Teardown
3:05 Gear Ratio Operation
9:05 Disassembly
14:21 Gear-set inspection
18:51 Valve Body
22:38 Conclusion

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