The tools and procedures shown are way outdated. The tools were specifically released to dealers in that time period as FORD wanted uniformity in repairs, especially warranty.
You need to research present technology to see what you may need -
https://trans-tool.com/product-categ...mission-tools/
Usually, a poor performing FM-FX TRANS is due to mis-adjusted TV pressure and resultant clutch wear, along with overheating from slippage.