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HVAC Blend Door Actuator Replacement for 604-110
- The blend door actuator is responsible for controlling the flow and temperature of air into the interior of a vehicle. When you turn the knob to increase or decrease the temperature or air flow, the signals go through the blend door actuator. It also controls the defrosters and other vents.
- If the heater blend door actuator fails or malfunctions, it can lead to issues such as the inability to adjust the temperature properly or noise during operation. In such cases, it may be necessary to replace the actuator to restore proper functionality to the HVAC system.
Compatible with Chevrolet Models:
- 2003-2009 Chevy Trailblazer; Main
- 2003-2006 Chevy Trailblazer EXT; Main
Compatible with Buick Models:
- 2004-2007 Buick Rainier; Main
Compatible with GMC Models:
- 2003-2009 GMC Envoy; Main
- 2003-2006 GMC Envoy XL; Main
- 2004-2005 GMC Envoy XUV; Main
Compatible with Isuzu Models:
- 2003-2008 Isuzu Ascender; Main
Compatible with Oldsmobile Models:
- 2003-2004 Oldsmobile Bravada; Main
Compatible with Saab Models:
- 2005-2009 Saab 9-7x; Main
Replaces Part Numbers:
- 604-110
- 15-73596
- 52402610
- 89018675
- 89018384
- Terminal Quantity: 4 Pins
Durable Housing
Precision Plug
Factory Mounting Points
The Diagram of Position for HVAC Blend Door Actuator
4 Signs Your HVAC Blend Door Actuator Needs to Be Replaced
The heater blows cold air
The air conditioner blows hot air
Can't adjust the heater temperature
Strange noise when you turn on the HVAC systems
kurt
Reviewed in the United States on March 21, 2025
everything good
Roadrunner
Reviewed in the United States on March 18, 2025
This works really good and was easy to install
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