Les Lex 2018 Posted June 22, 2022 Share Posted June 22, 2022 PHD - John Kelley builds up the Toyota P710 transmission piece by piece to show you why it is the best transaxle on the market. It drives the Lexus ES300h. 聽 1 Quote Link to comment Share on other sites More sharing options...
RX400h Posted June 22, 2022 Share Posted June 22, 2022 Thanks, Les. I'll watch it, tomorrow.馃憤 Quote Link to comment Share on other sites More sharing options...
RX400h Posted June 22, 2022 Share Posted June 22, 2022 Great video for the technically inclined! Quote Link to comment Share on other sites More sharing options...
Les Lex 2018 Posted June 22, 2022 Author Share Posted June 22, 2022 I had to watch it about 5 times over several months and take a lot of notes before I could figure out how and why it works. No telling how much the unit costs to the manufacturer. 聽Not a clutch in the darn thing. 聽John also does one on the rear motor which is a lot simpler. Quote Link to comment Share on other sites More sharing options...
RX400h Posted June 22, 2022 Share Posted June 22, 2022 It'd also be interesting for mechanical engineering students. For certain, Toyota/Lexus engineers are very bright. Quote Link to comment Share on other sites More sharing options...
Les Lex 2018 Posted June 23, 2022 Author Share Posted June 23, 2022 Good points Dave! I took my notes and did a report explaining all the modes of operation and how they work. When I got my first Hybrid 10 years ago, I knew nothing about it and found no resources. When the car started to move there was always a jolt coming from the car and I actually thought it was an old style starter motor doing that. Dummy Me! 聽NO clue... IF you have ever seen the ugly Inside of an automatic transmission (Torque converter / bands / clutches / gears), you could easily come the the conclusion that the Direct Drive Hybrid transmission is simple, easier to repair and has fewer parts. 聽 Quote Link to comment Share on other sites More sharing options...
RX400h Posted June 23, 2022 Share Posted June 23, 2022 Yes, and that LC500h transmission is amazing, as well. That being said, I am also a fan of Mazda's 6-speed auto transmission and related technology. That transmission is bulletproof and very intuitive. We live on a hill, and when I back out of the driveway and coast down that hill, the transmission holds the gear that allows me to not have to use the brakes. And when I let off the gas while exiting the highway, after a certain amount of time, the transmission starts downshifting, knowing that I am approaching a stoplight. 聽 Quote Link to comment Share on other sites More sharing options...
Les Lex 2018 Posted June 23, 2022 Author Share Posted June 23, 2022 I found an LC 500 for you in Montgomery for 104,000, Dave. Sorry, no hybrid! 聽 The 2012 Camry h had a similar gear selector 聽config. 聽Coming down from the 12,000 foot level at the Rocky Mountain National Park, CO visitor's center, down to about the 6000 foot base of the mountain, and bumper-to-bumper tourist traffic, being able to lock in a selector gear was priceless. Without it, the brakes would have been smoking, baby... 聽Will I take the LS300h up to the 12,000 foot level for a shake-down? 聽Probably not - Once was enough... Quote Link to comment Share on other sites More sharing options...
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