Ford 4R70W rebuild tools

thingiverse

These are tools I made while rebuilding my 4R70W in my 03 Expedition. Tools should work for other 4R70 series transmissions. I may strengthen the servo compressor. The current one has already been reinforced, but I see how it could be better. The reverse servo doesn't really need to be compressed. The back of a hammer pushing down is easy enough and just install the snap ring. The 2-3 Accumulator compressor is a little cumbersome, but works. I may try and change it later. PLA will work, but I had a few older designs snap when pressing in the overdrive servo. This design was optimized using stress analysis so it's stronger. Just be careful. the servo didn't just spring out when it snaped, but it could hurt your fingers if they were in the way. I wasn't injured.