2004 Chevy Silverado Blend Door Actuator Replacement HVAC. No Air flow choice

My truck would only blow air out of the top at the windshield. I couldn't switch vent choices to the face or floor. This blend door actuator replacement fixed that issue.
0:00 Intro
0:15 Showing the issue
1:08 Bolt Size
1:54 New Actuator and Part Number/Sku
2:21 Pulling out the old Actuator
3:45 Old and new Actuator side by side
4:12 Gear and lever position on heater box
5:05 How to attach the Actuator backing plate to box
5:44 Show how the backing plate rotates
6:37 How Actuator attaches to backing plate
7:57 New Actuator installed and tested
9:27 Outro
This is for entertainment purposes only because I'm not a professional.

[@jbestblakeslee06]

Do I need to disconnect the battery before changing this out?

[@Brokens_Garage]

Hello, I personally did not unhook the battery before doing this job. But you can, just for extra safety.