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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Making the Ae transmission survive on the cheap. Part 2 | IS Elite

Make sure the valve moves freely with little effort. When the brakes are applied, the flow of fluid through the lock up solenoid is stopped and the clutch will disengage. Drop a hammer on a piece of glass versus lay a hammer on a piece of glass.

Please help improve this article by adding citations to reliable sources. Some day, I will pull her apart and get exact measurements. Posted by Regis on Wednesday, June 26th, 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.

This reduces power just slightly low timing keeps the turbo spooled though until the lower RPM after the shift point is realized and the timing is obviously much higher there. Instead, I simply shortened the space the spring could travel. Three speed automatic front wheel drivelongitudinally mounted. Same gear ratios as the AA80E but a shorter 3. On the side of the valve body, there is a pressure control — simply use a straight edge screwdriver to push in and rotate to the next detent.


There are two ways around this — raise the rev limiter or make it shift faster.

A650E Troubleshooting, Diagnostic Help!

The AE also demonstrated that it could handle the additional stress of more horsepower in the LSwhich was equipped with the horsepower, 4. No automatic transmission is designed to last forever.

This transmission is electronically controlled by an electronic shift control module. This results in a transmission that can only shift to first and reverse, but not to any further forward gears.

Even with FWD, the engine is also mounted longitudinally. A warped valve body could be preventing the valve from moving. His experience ranges from legal affairs reporting to covering the Middle East. It was first used in and remained in production through the model year. For example, when the transmission upshifted to third gear with the throttle at 50 percent, the speed was 37 mph trqnsmission “Normal” mode and tranzmission mph in the “Power” mode.

These transmissions have a governor gear. This transmission model is not electronically controlled.

Making the A650e transmission survive on the cheap. Part 2

This page was last edited on 27 Decemberat Articles lacking sources from August All articles lacking sources. This is not good on the internal components of the transmission. To check availability on a discussed transmission family, give ETE a call directly at Refer to the shop manual for proper testing procedures and readings.

The Yransmission, like the AE, provided conventional automatic mode or a manual mode to determine shift points. Leave a Reply Click here to cancel reply. Gear Ratios The AE five-speed automatic had a 3. The AE is a five speed automatic transmission made by Toyota and used exclusively in Lexus vehicles.


Final drive ratio is 2. I have not modified the valve body in any way and the transmissions guts have never been removed. It wasn’t until that Lexus offered the choice of a five-speed automatic or a five-speed manual; however, the IS SportCross wagon only received the AE.

If the engine is below RPM, applying full throttle will invoke a downshift, no matter what gear you have selected. They will trqnsmission address common issues with the transmission that the factory should have transmssion in the first place.

Lexus IS Review Pressroom: The best way without a full transmission build, and even without a valve body replacement is to modify the accumulators. Start off by a6500e the transmission control rod. Although Toyota makes excellent products, here are a couple of transnission where the AE that may suffer problems. Rob Wagner is a journalist with over 35 years experience reporting and editing for newspapers and magazines.

Anything metal that fits inside the accumulator will work.

This is the rod that goes from the shifter to the transmission. In the IS models, it featured a redesigned electronic control unit to maximize fuel efficiency and give smoother shifting. Unlike the AE counterpart which is electronically controlled, the AL uses a plastic governor gear to select which gear to go into.

The sensors then sent the information trasnmission the electronic control unit, which in turn operated the clutch, shift points and torque converter lock-up. Connects to external oil cooler.

The reverse gear ratio was 3.