These are heavy vehicles and as such are often subject to abuse, such as towing over the manufacturers towing limit. Even the master rebuild kits, solenoids and wiring harness and valve body part numbers interchange through the 3 different part numbers Toyota lists for the A750F from 2005-2015. As mentioned earlier , you are trying something here that as far as I know , has never been attempted. This is the twin turbo only heavy duty version with some internal mods. If any one of them is pulled low, then that is the selected gear.
Not positive on the changes between the 3 different fitment categories. That being said , you are plowing new ground for Tacoma World if you manage to get a 2015 transmission to function in a 2006 application I am not saying that the transmission will not fit behind your motor , it will bolt up just fine. And remember, the companies that re-manufacture transmissions are very easy to contact. The A750F was first put into production back in 2003 and remains today as an optional transmission in the Toyota lineup. This transmission model is not electronically controlled. Found some spare time tonight to swap the solenoid harness and replace the filter. It was available with only one engine option: the 4.
Our state of the art package of modifications produce the strongest and most reliable gearbox available anywhere. Erratic shifting and overheating have also been failure points in this unit. Need 4 more inputs, and only space for 2. Although this is a decent transmission A750F problems have been common with vehicles that are higher in miles or driven aggressively. Once you start pushing the limits of the transmission off-road, the factory cooler starts to fail in its role of keeping the transmission cool. I've been busy with work and kid stuff and my current transmission is still working for the time being. Here are a few good suggestions.
I would hate to see you go through all the work and end up with greif as an end result. Valve bodies are different between the 3 fitment categories You need to find a transmission from a 2005 -2007 with low mileage. I have a feeling the code won't be gone for long. . Is an A750F from a 2006 the same as an A750F from a 2012? I do know based on my recent experience towing that this transmission will only lock up the torque converter in 4th and 5th gears under specific conditions and that transmission temps rise whenever the torque converter is unlocked this is common knowledge but since I've only dealt with tuning cars with manual transmissions it's relatively new to me. Generally speaking most automatic transmissions seem to be tuned to shift softly and to lock up gradually to maximize comfort according to what the maker thinks their customers want.
You need to use the Transmission fitment by year : 2005-2007, 2008-2011, 2012+ They thought I was the trans guy trying to make this work and told me not to be a magician hehehe With this said , transmission shops follow this fitment by year and never steer away from it. Once it is set correctly for proper shift it shouldnt need altering again. Every A750F has been performance and Dyno tested, comes with a platinum warranty and is now available at a discounted price. They are year specific because they communicate with a year specific ecm and I cant say that a 2012 will work in a 2006 application because the ecm also controls engine function. Follow these tips and get the full life expectancy from your Toyota transmission! Since it's on the stand now, I was able to rotate the transmission 180° and do this task head on, instead of on my head. Connects to external oil cooler. Aluminum has also replaced steel on gear tooth surfaces.
With new micro-laser technology gear tooth production tolerances have been reduced 50%. If the A750F was a poorly desinged transmission , you would have a hard time finding one but for the most part , they are very reliable Follow your door tag to a T even if that 2012 trans is appealing to you , you are going to create extra grief trying to make it work Send me your e mail by pm Transmission fitment by year: 2005-2007, 2008-2011, 2012+ Well, this weekend I'm taking the plunge on a transmission from a 2015 despite what I've been told. They are just a quick away from helping you out. I'm hoping the addition of an external cooler on my V6 will drop temps to a safer level when I'm towing and this will be a non-issue but I'm checking in to available options if the cooler isn't enough. However, I think you are saying that the shift lever position input requires 4 digital inputs. Finally, for product selection assistance, all of the MegaSquirt vendors are there to help you select a system, along with all of the required pieces to make it complete.
It is instead controlled by throttle position and also by a governor. A to test your completed board is also available. You could even use a custom arrangement for this to get 1st - by modifying the stock shifter or using a ford shifter or something else. I'd gladly give up some comfort in the interest of durability. The last 2 blue plugs require unbolting of the 10mm keepers as shown. For the record , I would never ever tell anyone to try this.
Moreover, this automatic transmission has achieved high-quality shift feel and quiet performance. They are not an expensive transmission to source and there are many out there. You would also need changes to accommodate 5th gear in the shift table, etc. Finally, a deep sump transmission pan will usually add 2 — 3 quarts of fluid capacity to your cooling system, again helping the transmission stay cooler longer. Thanks Paul Righto, I have delved a little deeper into the transmission side of things. This 5 speed automatic transmission was built by Toyota in the early 2000's and was in production for over a decade.
To reflect this the support structure has also changed to meet the needs of MegaSquirt Users. I've seen both mechanical and software changes for other transmissions as well as performance rebuilds. These are pulled from Toyotas own parts database. Countless accessories are available to make this a formidable off-road machine. I think if the controller was dedicated to the a750 it could be done as per factory, but not sure if it is necessary, it is still adjustable maually via pwm control. Yeah sorry bout the table, tried to post it as a picture, but not successful.