Vehicle Questions and Answers
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In your 2001 Chevy Tahoe, you can find the blend door actuator located on the lower passenger side of the dashboard. The blend door actuator is a small electric motor with sensors that connect to your vehicle's climate control system. When you adjust the temperature or airflow intensity, the signals pass through this actuator. Signs of a faulty blend door actuator may include hearing a ticking noise from the dashboard when you start the car, experiencing cold air from the heater, or hot air from the AC. A common cause of actuator failure is the plastic gear set becoming brittle and breaking.
The door actuator in a 2001 Chevy Tahoe can be found underneath the latch on the interior side of the door.