How do you change ac blend door on 2002 Bonneville ssei?

To change the AC blend door on a 2002 Pontiac Bonneville SSEi, first, disconnect the battery and remove the dashboard to access the HVAC unit. Next, locate the blend door actuator, which is typically positioned near the heater core. Remove the actuator and the blend door itself, then replace it with the new part, ensuring it’s properly aligned. Finally, reassemble the dashboard, reconnect the battery, and test the system for proper operation.