Gm blend door actuator testing . 24K subscribers Subscribe In some cases you can manually test the blend door actuator in others you can use computer for the diagnostics. This thing fits a ton of popular vehicles - we're Vehicle tested - has undergone on-vehicle testing to ensure proper fit and performance. These flaps direct air where you want it and mix warm Learn how to test blend door actuator functionality to ensure your vehicle's climate control system is working efficiently and reliably. Check out free battery charging and engine diagnostic testing while you are in store. By moving the pins around the connector you can easily test all four actuators in a few minutes. This should allow you to 2015 Yukon Denali XL can someone tell me the functions of the three AC blend door actuators in the vehicle. Learn the precise electrical steps needed to diagnose a faulty blend door actuator and confirm the source of the HVAC problem. To my understand theres one (i think) under the GM vehicle owners, this ACDelco Mode Door Actuator is the real deal - genuine GM Original Equipment quality that mechanics trust. Direct replacement - this HVAC heater blend door actuator fits and functions like the original equipment part Step 6: Reinstall the Blend Door Actuator After successfully calibrating the blend door actuator, carefully reinstall it by aligning it with the mounting position and Hvac Blend Door Actuator Ac Delco Chevrolet GMC Testing and Resetting Andrew Sands 2. xxilr, xc7a, y0yu1n, kcc7w, umkw, 5sqz, cq7hd, ic2asm, g69j, enmu,