How to replace the Blend Door Actuator in the auxiliary system on GMC Envoy?

The right rear quarter trim panels need removal as the first step to replace the Air Temperature Actuator in the auxiliary system. Unplug the electrical connector from the air temperature actuator then remove the mounting screws which secure the unit. Pull out the air temperature actuator from inside the rear HVAC module. Install the new air temperature actuator onto the rear HVAC module by using screws which must be tightened to 1.9 N.m (17 lb in). You should next check the electrical connector to the air temperature actuator before recalibrating when needed. Put back the right rear quarter trim panel as the last step of the installation process.

OEM GMC Envoy Blend Door Actuator

Air Blend Door Actuator

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7 Blend Door Actuators found

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GMC Envoy Door Actuator
Part Number: 89018678
$55.34 MSRP: $113.72
You Save: $58.38 (52%)
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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:
- 2002-2009 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy 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 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy 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 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Actuator
Part Number: 89018675
$66.93 MSRP: $137.54
You Save: $70.61 (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
- Replaces: 89018384
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2009 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy 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 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Door Actuator
Part Number: 89018365
$169.86 MSRP: $349.06
You Save: $179.20 (52%)
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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 GMC Envoy | Denali, SLE, SLT | 6 Cyl 4.2 L GAS, 8 Cyl 5.3 L GAS
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GMC Envoy Actuator
Part Number: 88892975
$72.54 MSRP: $149.06
You Save: $76.52 (52%)
Ships in 1-2 Business Days
ADD TO CART
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:
- 2005-2006 GMC Envoy | Denali | 8 Cyl 5.3 L GAS

GMC Envoy Blend Door Actuator

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GMC Envoy Blend Door Actuator Parts Questions & Experts Answers

Door Actuator
89018678
Q: How to replace the Blend Door Actuator in the auxiliary system on GMC Envoy?
A: The right rear quarter trim panels need removal as the first step to replace the Air Temperature Actuator in the auxiliary system. Unplug the electrical connector from the air temperature actuator then remove the mounting screws which secure the unit. Pull out the air temperature actuator from inside the rear HVAC module. Install the new air temperature actuator onto the rear HVAC module by using screws which must be tightened to 1.9 N.m (17 lb in). You should next check the electrical connector to the air temperature actuator before recalibrating when needed. Put back the right rear quarter trim panel as the last step of the installation process.