AE[edit]. 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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Anything metal that fits inside the accumulator will work. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. Gear Ratios The AE five-speed automatic had a 3. Mechanically similar to the A43D. In this article, I will outline what it takes to make it handle some power on the cheap, mods that almost anyone can do.

This is the twin turbo trznsmission heavy duty version with some internal mods. There are a few theories on how to make automatic transmissions last. These transmissions have a governor gear. The next item to check is the front pump and torque converter. This is the rod that goes from the shifter a650w the transmission. The subject matter on this blog is meant for discussion and educational purposes only, and is not necessarily transmjssion of inventory currently offered by ETE Reman.

Three Possible Problems You May Experience With The AE Automatic Transmission

It wasn’t until that Lexus offered the choice of a five-speed automatic or a five-speed manual; fransmission, the IS SportCross wagon only received the AE.

Replacement of this governor gear is relatively inexpensive compared to a replacement transmission as it can be serviced without taking the transmission out of the car. The torque converter can lockup from 2nd to 6th gears. The best way without a full transmission build, and even without a valve body replacement transmisson to modify the accumulators.


Start off by checking the transmission control rod. Views Read Edit View history.

transmisson Full automatic 4-speed transmission with converter lock-up. 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 trsnsmission to shift gears.

Smaller parts, a hydraulic circuit with fewer components allow the transmission to maintain the same size as the previous LS ‘s unit. A warped valve body could be preventing the valve from moving. Unsourced material may be challenged and removed. Maximum power using the stock internals should be limited to significantly higher than the standard AE used with the 2JZ-GE normally aspirated engine.

The transmission matched a horsepower, 3-liter in-line six-cylinder engine wielding foot-pounds of torque. 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 AE also demonstrated that it could handle the additional stress of more horsepower in the LSwhich was equipped with the horsepower, 4. The five-speed was somewhat transmjssion 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.

It is instead controlled by throttle position and also by a governor. To check availability on a discussed transmission family, give ETE a call directly at Toyoglide two speed automatic, largely based on GM’s Powerglide. For other uses, see AXX. I shimmed all 4 of mine approximately 15 mm.

Three Possible Problems You May Experience With The A650E Automatic Transmission

There is no need to be chirping tires for a quarter throttle shift. If there is enough debris to clog the filter, you trwnsmission a serious problem somewhere else in the transmission. Everyones mileage will vary, no doubt, and part of its longevity rests with you, the driver, but this will be the best thing you can do without spending a ton of money.


The easiest way to check them is to attach a pressure gauge to the pressure port on the transmissions. The re-manufactured transmission also includes a much better warranty ; three years compared to an average 90 days for a rebuilt transmission.

Three speed automatic front wheel drivelongitudinally mounted. In the IS models, it featured a redesigned electronic control unit to maximize fuel efficiency and give smoother shifting.

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 AE five-speed automatic had a 3. The A45DE, like the AE, provided conventional automatic mode or a manual mode to determine shift points.

The second part includes raising the rev limiter and a few other little tricks. A re-manufactured transmission will include alterations and a650r designed to transmiasion it more durable and last longer. Next, check the manual valve in the valve body. About the Author Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines. There are small holes inside the accumulators that you do not want to block, but the a design prevents that to an extent.

Refer to the shop manual for proper testing procedures and readings. Four speed automatic with lockup torque converter, electronic controls and viscous coupling center differential.

A650E Troubleshooting, Diagnostic Help!

Final drive ratio is 2. Stock rev limiter is around and the transmission starts its shift around The transmission does not move in any gear. This transmission transmjssion is not electronically controlled.