A650E TRANSMISSION PDF

A new compact five-speed automatic transmission AE has been developed for front engine rear wheel drive cars. The development of this transmission has been aimed at improving fuel consumption, power performance, engine noise reduction during highway cruising and smooth acceleration by employing a wide range of gearing and close gear ratios. Generally a five-speed automatic transmission is larger than a four-speed, because of additional friction elements and gears. This can result in a change in the floor panel of the car body. However, by removing a one-way clutch for second gear and employing a unique gear-train layout, this transmission has the same circumference and length as the conventional four-speed automatic transmission AE 1. Shift clutches and a torque converter clutch have been controlled by linear solenoid valves in cooperation with the engine control system achieving smooth shift and acceleration feeling.

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A new compact five-speed automatic transmission AE has been developed for front engine rear wheel drive cars. The development of this transmission has been aimed at improving fuel consumption, power performance, engine noise reduction during highway cruising and smooth acceleration by employing a wide range of gearing and close gear ratios. Generally a five-speed automatic transmission is larger than a four-speed, because of additional friction elements and gears.

This can result in a change in the floor panel of the car body. However, by removing a one-way clutch for second gear and employing a unique gear-train layout, this transmission has the same circumference and length as the conventional four-speed automatic transmission AE 1. Shift clutches and a torque converter clutch have been controlled by linear solenoid valves in cooperation with the engine control system achieving smooth shift and acceleration feeling.

Moreover, it is possible to adopt the switch shift system on the steering wheel, through improvements in shift response of the electronic hydraulic control system. This paper describes the major features and performance of this transmission in detail. Subscribers can view annotate, and download all of SAE's content.

Easy Shifting Beyond Synchromesh Technology. View Details. Gear shift strategies analysis of the automatic transmission in comparison with the double clutch transmission. Browse Publications Technical Papers Citation: Miyata, H. Download Citation. Affiliated: Toyota Motor Corp. Preview Document Add to Cart. Login to see discount. Special Offer: Download multiple Technical Papers each year?

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A650E TRANSMISSION PDF

a650e transmission for toyota

The Toyota AE five-speed automatic transmission matched engines in a wide range of Lexus luxury cars from to The five-speed was somewhat overshadowed by the more popular six-speed automatics and often sparked complaints from Lexus buyers, who could only order their cars with the AE and not a five-speed manual. Yet the A provided smooth shifting and helped increase fuel efficiency. The AE was a five-speed electronic control transmission that was virtually identical to its hydraulic automatic transmission siblings, but used an electronic control unit, electronic sensors and numerous electronic parts to shift gears. The sensors monitored the Lexus' speed, throttle opening and gear selection. The sensors then sent the information to the electronic control unit, which in turn operated the clutch, shift points and torque converter lock-up. The driver could manually set the shift pattern to "Normal" or "Power.

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MaxxECU online help

Pricing varies by model. Solution — An updated version of the shift lever anti-rattle cushion will need to be installed. Another common problem is overheating. This happens when the moving parts inside the transmission are creating more friction heat than the ATF can remove. These issues are often caused by design flaws in the Reverse Boost Valve, channel plate, and stripped splines on the 4th gear clutch hub shaft. When it comes to shipping, a transmission is quite heavy. Therefore, they need your broken transmission in order to refurbish it for another customer.

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History of the A650E Transmission

Our AE transmission sale is here. Toyota build the AE in the mid 90's exclusively to be used in Lexus vehicles. Soon after this transmission hit the market, AE problems began to circulate throughout the Lexus community. Gearing problems are one of the biggest issues with this unit. The AE has a propensity to stick in a higher gear under acceleration and on some occasions all the gears have been known to completely freeze up. Failure to lock the torque converter is another common problem seen with this transmission.

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