Although transmission installation and adjustment appears straight-forward, you should take an orderly, methodical approach to ensure success. You’re either swapping in an AOD, AODE, or 4R70W, or you’re removing and reinstalling one. Size up the job before you get started and make a checklist of what’s needed. Few things are more frustrating than taking your […]
Ford AODE/4R70W Shift Kit Guide
Shift improvement kits are considered mainly for improving performance. However, they also give an AODE/4R70W greater longevity because they reduce and even eliminate slippage, allowing clutches and bands to engage with a minimum of deterioration. And while clutches and bands are making solid engagement and doing their jobs, more power is getting to the drive […]
Ford AODE/4R70W Guide: Calibration, Building, Troubleshooting
Ford’s AOD evolved into a highly successful mechanically modulated transmission from its 1980 introduction until production ended in 1991. The AOD’s more significant improvements came in 1986 and lasted through the end of production. Ford developed the AODE and 4R70W to achieve cohesive engine and transmission function in 1991. This Tech Tip is From […]
Ford AOD Transmission Shift Kit Guide
Although it is widely believed shift improvement kits are for improving performance, they are also about improving durability. A soft upshift, particularly at WOT, is caused by clutch and band slippage, which generates heat and puts excessive friction material in the fluid. Friction material and metal particulates damage seals and moving parts. As seals wear, […]
Ford AOD Transmission Assembly Guide
The objective of this chapter is to show you how to improve the AOD’s durability and performance with the best parts and improved shift programming. Because the AOD’s geartrain is based on the FMX, FX, and MX transmissions, it has proven to be reliable, with generations of refinement leading up to what is now a […]
How to Start Rebuilding Ford AOD Transmissions
Before embarking on a Ford automatic overdrive building project, you’re going to need a proper work setting and the tools required to do the job. Because automatic transmissions encompass numerous tiny precision parts such as clips, balls, pins, valves, springs, and other items, your shop environment must be neat and orderly, not to mention well […]