How to replace the auxiliary air temperature blend door actuator on Chevrolet Trailblazer?

Why and how to replace the auxiliary air temperature actuator: To do this, start to remove the right rear quarter trim panel. Unplug the electrical connector of the air temperature actuator, but before you do, take out the retaining screws of the actuator. Remove the air temperature actuator from the rear HVAC module. Start by placing the new air temperature actuator on the rear HVAC module and fasten it with the screws by tightening it to 1.9 N.m (17 lb in). Reconnect the electrical connector to the air temperature actuator at re-calibrating the actuator. Lastly, reinstall your right rear quarter trim panel.

OEM Chevrolet Trailblazer Blend Door Actuator

Air Blend Door Actuator

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8 Blend Door Actuators found

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Chevrolet Trailblazer Door Actuator
Part Number: 89018678
$55.34 MSRP: $113.72
You Save: $58.38 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator; Actuator, A/C Vacuum Control
- Replaces: 52474795, 89018373
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009, 2002-2004 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 89018677
$58.99 MSRP: $121.24
You Save: $62.25 (52%)
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator, A/C Vacuum Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 89018676
$52.65 MSRP: $98.88
You Save: $46.23 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator, A/C Vacuum Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 89018675
$66.93 MSRP: $137.54
You Save: $70.61 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator, A/C Vacuum Control
- Replaces: 89018384
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 Chevrolet Trailblazer | Base, LS, LT, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Temperature Door Actuator
Part Number: 89018375
$122.19 MSRP: $251.12
You Save: $128.93 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator; Actuator, A/C Vacuum Control; Actuator, A/C Control
- Replaces: 16164972
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Trailblazer | LS, LT, LTZ, North Face | 6 Cyl 4.2 L GAS
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Chevrolet Trailblazer Door Actuator
Part Number: 89018365
$169.86 MSRP: $349.06
You Save: $179.20 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Temperature Door Actuator; Switch; Controller; Actuator; Actuator, A/C Vacuum Control; Actuator, A/C Control
- Replaces: 16163982
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2009 Chevrolet Trailblazer | Base, LS, LT, LTZ, North Face, SS | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Actuator
Part Number: 88892975
$72.54 MSRP: $149.06
You Save: $76.52 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator; Actuator, A/C Vacuum Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006 Chevrolet Trailblazer | LS, LT, SS | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Chevrolet Trailblazer Door Actuator
Part Number: 42677759
$16.22 MSRP: $28.96
You Save: $12.74 (44%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; Temperature Door Actuator; Actuator; Actuator, A/C Control
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2024 Chevrolet Trailblazer | ACTIV, L, LS, LT, RS | 3 Cyl 1.2 L GAS, 3 Cyl 1.3 L GAS

Chevrolet Trailblazer Blend Door Actuator

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Chevrolet Trailblazer Blend Door Actuator Parts Questions & Experts Answers

Door Actuator
89018678
Q: How to replace the auxiliary air temperature blend door actuator on Chevrolet Trailblazer?
A: Why and how to replace the auxiliary air temperature actuator: To do this, start to remove the right rear quarter trim panel. Unplug the electrical connector of the air temperature actuator, but before you do, take out the retaining screws of the actuator. Remove the air temperature actuator from the rear HVAC module. Start by placing the new air temperature actuator on the rear HVAC module and fasten it with the screws by tightening it to 1.9 N.m (17 lb in). Reconnect the electrical connector to the air temperature actuator at re-calibrating the actuator. Lastly, reinstall your right rear quarter trim panel.

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