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GM 89018678
Door Actuator

1999-2009 GM

Customer Questions & Expert Answers (32)
GM 89018678 Door Actuator
GM 89018678 Door Actuator
GM 89018678 Door Actuator
GM 89018678 Door Actuator
GM 89018678 Door Actuator
  • Part Description
    Actuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator
  • Replaces
    52474795, 89018373
  • Manufacturer
    General Motors
Make sure this part fits
$55.34 MSRP: $113.72
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  • Related Parts
  • Product Specifications
  • Vehicle Fitment
  • Customer Questions & Expert Answers

  • 89018678 Door Actuator is Ref No. 32 in the diagram below

    2004 GMC Envoy XL Door Actuator Diagram for 89018678
    The diagram listed above is for your reference. View diagram for your vehicle

    Related Parts for 89018678

  • Product Specifications

    BrandGenuine GM
    Manufacturer Part Number89018678
    Part DescriptionActuator, Air Conditioner Control; HVAC Heater Blend Door Actuator; HVAC Blend Door Actuator
    Other NamesActuator; Actuator, A/C Vacuum Control
    Item Dimensions4.3 x 4.1 x 2.2 inches
    Item Weight0.80 Pounds
    ConditionNew
    Fitment TypeDirect Replacement
    Replaces52474795, 89018373
    ManufacturerGeneral Motors
    SKU89018678
    WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
    Shipping & ReturnShipping Policy Return Policy
    Warning: California's Proposition 65

  • Vehicle Fitment

    Year Make Model Trim Engine
    2003-2006 Cadillac EscaladeBase8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2003-2006 Cadillac Escalade ESVBase8 Cyl 6.0 L GAS
    2002-2006 Cadillac Escalade EXTBase8 Cyl 6.0 L GAS
    2002-2006 Chevrolet Avalanche 1500Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z718 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
    2002-2006 Chevrolet Avalanche 2500Base, LS, LT8 Cyl 8.1 L GAS
    1999-2007 Chevrolet Silverado 1500Base, Hybrid, LS, LT, LTZ, SS, WT, Z71 Off-Road6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 ClassicHybrid, LS, LT, SS, WT6 Cyl 4.3 L GAS, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
    2005-2006, 2001-2003 Chevrolet Silverado 1500 HDBase, LS, LT8 Cyl 6.0 L GAS
    2007 Chevrolet Silverado 1500 HD ClassicLT8 Cyl 6.0 L GAS
    1999-2004 Chevrolet Silverado 2500Base, LS, LT, WT8 Cyl 5.3 L GAS, 8 Cyl 6.0 L BI-FUEL, 8 Cyl 6.0 L CNG, 8 Cyl 6.0 L GAS
    View More

  • Customer Questions & Expert Answers

    Q:
    Is 89018678 compatible with my car? Posted by ChevyPartsGiant Specialist
    A:
    Please Select Your Vehicle model to see if part number 89018678 is suitable before ordering.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Blend Door Actuator on Chevrolet Silverado 1500 Classic? Posted by Customer
    A:
    To replace the air temperature actuator, firstly, the IP insulator is removed, and then the electrical connector is disconnected from the air temperature actuator. Then unbolt the air temperature actuator retaining screws and remove the actuator itself. For installation, first, install new air temperature actuator in position and tighten the retaining screws. Screw to 1.6 N.m (14 lb in). Then, reconnect the electrical connector to the air temperature actuator and at last place the IP insulator.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the auxiliary air temperature blend door actuator on Chevrolet Trailblazer? Posted by Customer
    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.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the right Blend Door Actuator on GMC Yukon XL 2500? Posted by Customer
    A:
    The right air temperature actuator replacement begins by disassembling the I/P carrier followed by disconnecting the electrical connector from the actuator. The actuator extraction process starts by unscrewing its fasteners from the HVAC module assembly and carefully removing it from this housing. The new actuator requires placement into the HVAC module assembly before screw installation with 2 N.m (18 lb in) torque following Fastener Notice instructions in Service Precautions. Start by reinstalling the I/P carrier then reattach the electrical connector to the actuator. During the final stage of repair you must follow the actuator recalibration protocols to reprogram the air temperature actuator.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the Blend Door Actuator in the auxiliary system on GMC Envoy? Posted by Customer
    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.
    Posted by ChevyPartsGiant Specialist
    Q:
    How to replace the LH Blend Door Actuator on GMC Sierra 3500? Posted by Customer
    A:
    The I/P insulator panel needs removal before replacing the left air temperature actuator. Separate the electrical connector from the left air temperature actuator then remove the screws which keep it in place. You should take out the left air temperature actuator from the HVAC module assembly. Reinstall the left air temperature actuator to the HVAC module assembly using screws that must be torqued to 2 N.m (18 lb ft). Finally attach the left air temperature actuator's electrical connector and place back the I/P insulator panel. The last step requires programming the left air temperature actuator.
    Posted by ChevyPartsGiant Specialist
    Q:
    What is the final step after installing the new actuator for the 2004 Cadillac Escalade EXT? Posted by Customer
    A:
    Reconnect the electrical connector to the actuator and reinstall the right rear quarter trim panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the first step to replace the left air temperature actuator for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Remove the I/P insulator panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step after reinstalling the I/P carrier for the 2004 Cadillac Escalade ESV? Posted by Customer
    A:
    Reprogram the air temperature actuator following the procedures for actuator recalibration.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after disconnecting the electrical connector for the 2003 Cadillac Escalade? Posted by Customer
    A:
    Remove the retaining screws securing the actuator and take out the actuator from the rear auxiliary HVAC module.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after securing the actuator for the 2006 Chevrolet Avalanche 2500? Posted by Customer
    A:
    Reconnect the electrical connector to the auxiliary air temperature actuator and reinstall the right rear quarter trim panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after securing the actuator for the 2003 Chevrolet Avalanche 1500? Posted by Customer
    A:
    Reconnect the electrical connector to the right air temperature actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the first step to replace the air temperature actuator for the 2005 Chevrolet Silverado 1500? Posted by Customer
    A:
    First, remove the IP insulator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    How do you install the new actuator for the 2007 Chevrolet Silverado 3500 Classic? Posted by Customer
    A:
    Position the new actuator into the HVAC module assembly, ensuring to follow the Fastener Notice, and secure it with screws tightened to 2 N.m (18 lb in).
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after securing the new actuator for the 2000 Chevrolet Suburban 1500? Posted by Customer
    A:
    Reconnect the electrical connector to the air inlet actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after removing the I/P carrier for the 2004 Chevrolet Silverado 3500? Posted by Customer
    A:
    Disconnect the electrical connector from the actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step in the process for the 2000 Chevrolet Tahoe? Posted by Customer
    A:
    Reinstall the right rear quarter trim panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step after securing the mode actuator for the 2002 Chevrolet Suburban 2500? Posted by Customer
    A:
    Reconnect the electrical connector to the mode actuator and finally, reinstall the left rear quarter trim panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the next step after disconnecting the electrical connector for the 2000 Chevrolet Tahoe? Posted by Customer
    A:
    Remove the retaining screws for the temperature actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the first step to replace the air temperature actuator for the 2004 Chevrolet Silverado 2500? Posted by Customer
    A:
    First, remove the IP insulator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    How do you install the new defroster actuator for the 2008 GMC Envoy? Posted by Customer
    A:
    Position the new defroster actuator and ensure to follow the Fastener Notice for proper fastening.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step in the process for the 2006 Chevrolet Trailblazer? Posted by Customer
    A:
    Reinstall the right rear quarter trim panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after removing the trim panel for the 2002 Chevrolet Trailblazer? Posted by Customer
    A:
    Disconnect the electrical connector from the air temperature actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the next step after disconnecting the electrical connector for the 2009 GMC Envoy? Posted by Customer
    A:
    Remove the actuator itself.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the first step to replace the Defroster Valve Actuator for the 2009 Chevrolet Trailblazer? Posted by Customer
    A:
    First, remove the I/P carrier.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step in the process for the 2002 GMC Envoy? Posted by Customer
    A:
    Reinstall the IP carrier.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after removing the retaining screws for the 2007 GMC Envoy? Posted by Customer
    A:
    Disconnect the electrical connector and then remove the actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after removing the IP carrier for the 2003 GMC Envoy? Posted by Customer
    A:
    Disconnect the electrical connector from the defroster actuator.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step after installation for the 2001 GMC Yukon XL 1500? Posted by Customer
    A:
    Calibrate the HVAC module actuators.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the final step in the replacement process for the 2007 GMC Sierra 1500 Classic? Posted by Customer
    A:
    Reinstall the I/P carrier and reprogram the air temperature actuator as needed.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What is the first step to replace the left air temperature actuator for the 2004 GMC Sierra 1500? Posted by Customer
    A:
    Begin by removing the I/P insulator panel.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    Q:
    What should be done after removing the trim panel for the 2005 GMC Yukon? Posted by Customer
    A:
    Disconnect the electrical connector from the auxiliary air temperature actuator and remove the retaining screws securing it.
    Posted by ChevyPartsGiant Specialist
    See expert answers on similar Blend Door Actuator
    If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

OEM GM 89018678, Excellent Performance and Perfect Fitment

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