Replacing a Toyota AC/Heater Blend Door Control Damper Motor Servo Gearbox

This is a how to to replace a Toyota AC/Heater Blend Door Control Damper Motor Servo Gearbox Part Number 87106-0C140
Our issue was in a 2010 Toyota Tundra which was stuck on defrost regardless of mode setting.
This guide should also work with kost other toyotas that use this part number
Touota Part Number for Gearbox Blend Door Servo: 87106-0C140
which inlcudes Canry, Avalon, Highlander, Tacoma, etc. But br sure to cross reference the part ninber above before you atart.
Good Luck!! 🖖💖😊

[@mydoggiepepper]

The interior of this truck is wrecked. It would be very very helpful to see how you got to the point you are when the video started. Seeing this helps in nooo way, but thanks for taking the time!