AE. 5 Speed Automatic Transmission. I6 and V8 versions similar. However V8 versions have slight internal upgrades to handle. One of the most common misconceptions about the IS (and other cars that share the 5 speed Lexus automatic) is its ability to handle some. AE AT (RMU). TERMS. ABBREVIATIONS USED IN THIS MANUAL. Abbreviations. Meaning. A/T. Automatic Transmission. ATF. Automatic Transmission.
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Unsourced material may be challenged and teansmission. The next item to check is the front pump and torque converter. If there is enough debris to clog the filter, you have a serious problem somewhere else in the transmission.
Over time and wear, this plastic gear’s teeth shred and eventually cease to be able to control gears. A warped valve body could be preventing the transjission from moving. It is instead controlled by throttle position and also by a governor. The IS used the ECT-iE trxnsmission — or trransmission control unit — to determine the shift mode depending on driving conditions. A re-manufactured transmission will include alterations and upgrades designed to make it more durable and last longer.
Your email address will not be published. I highly recommend that you consider replacing your transmission with a re-manufactured transmission over one that was simply rebuilt. 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.
Making the A650e transmission survive on the cheap. Part 2
They will also address common issues with the transmission that the factory should have fixed in the first place. This page was last edited on 27 Decemberat The first thing you should check is the kick down circuit. The first problem I ran into was hitting the rev limiter under power.
The fact is, they make the transmission slam into gear pretty much every single shift. To check availability on a discussed transmission family, give ETE a call directly at What I have ended up with is a transmission that was amazing at a whp level over ft lb of torque alsoand today, is still holding up to whp, once in 3rd gear and above.
The to RS and the to personal luxury coupe SC also received the AE five-speed automatic. The best way without a transmiswion transmission build, and even without a valve body replacement is to modify the accumulators. The IS ‘s performance was excellent with the automatic, achieving zero to 60 mph in less than seven seconds.
A650E Troubleshooting, Diagnostic Help!
The easiest way to check them is to attach a pressure gauge to the pressure port on the transmissions. The AE is a five speed automatic transmission made by Toyota and used exclusively in Lexus vehicles.
The springs need to be stiffer to make the shifts firmer, but they still need to be in place to maintain a little bit of shift damping. The sensors then sent the information to the electronic control unit, which in turn operated the clutch, shift points and torque converter lock-up.
August Learn how and when to remove this template message. Aluminum has also replaced steel on gear tooth surfaces.
Toyota A transmission – Wikipedia
Mechanically similar to the A43D. It has a very steep first gear ratio of 3. There is one way around this — the snow button.
This is not good on the internal components of the transmission. Things like this are what causes the infamous sprag gears to roll over. It is my opinion that these rods that people do are not good for transmission longevity at all. Views Read Edit View history.
An instantaneous hit of power is much harder on the sprag than applying the power smoothly. Drop a hammer on a piece of glass versus lay a hammer on a piece of glass. 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.
Use the transmission selector buttons to maintain the gear you want.
Leave a Reply Cancel reply Or. Final drive ratio is 2. There is no need to be chirping tires for a quarter throttle shift.