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How do you Change, Replace, or Install Broken 2002-2008 Chevrolet Trailblazer AC Heater Blower Motor Replacement

Fits Years: 2002, 2003, 2004, 2005, 2006, 2007, 2008


Tools required:
  • 7/32 socket/ratchet with extension

  • 7mm socket/ratchet


Step 1: Locate the work area beneath the glove compartment on the passenger's side of the vehicle.

Step 2: Remove two 7mm bolts that hold the protective panel in place.

Step 3: Detach the wiring harnesses from the panel, once you have lowered it.

Step 4: You can now remove the panel.

Step 5: Open the glove compartment and release the tab that allows the door to fully drop down from its position.

Step 6: Using the 7/32 socket/ratchet and extension, access the mounting bolts that hold the blower motor in place. Remove these bolts. Disconnect the small rubber hose boot from the blower motor.

Step 7: You can now pull the blower motor from the vehicle.

Step 8: Disconnect the wiring lead from the blower motor, and remove the plastic casing that mounts to the top of the blower motor.

Step 9: Install the new blower motor by mounting the plastic cap, feeding the wiring harness through its opening, and connecting the rubber hose to the component. Mount it by tightening the 7/32 retaining bolts.

Step 10: Re-engage the glove compartment hinge.

Step 11: Reattach the wiring harnesses to the small plastic panel, and secure it by tightening the 7mm retaining bolts.




Please Note

While we are more than happy to create these installation guides for your benefit, we cannot maintain any liability regarding the part, or the driving experience, once the part has been replaced/installed. We always guarantee the quality of the parts we provide, but the installation liability rests solely on the installer.

And, though we are always here to answer your questions, please note that our technicians created these guides for your convenience, and cannot provide assistance beyond this guide.


If you're looking for a good deal on the parts mentioned in this instructional guide, be sure to check these out:

05-07 Saab 9-7X AC A/C Heater Blower Motor
High Quality TYC Brand.
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$46.95
04-05 GMC Envoy XUV AC A/C Heater Blower Motor
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$46.95
02-08 Oldsmobile Bravada AC A/C Heater Blower Motor
High Quality TYC Brand.
$46.95
02-08 GMC Envoy AC A/C Heater Blower Motor
High Quality TYC Brand. Manual AC A/C
$46.95
02-08 Chevrolet Trailblazer AC A/C Heater Blower Motor
High Quality TYC Brand.
$46.95
02-06 GMC Envoy XL AC A/C Heater Blower Motor
For Front. High Quality TYC Brand.
$46.95
02-06 Chevrolet (Chevy) Trailblazer EXT AC A/C Heater Blower Motor
For Front. High Quality TYC Brand.
$46.95

These Part Change / Installation Instructions Apply to
08 2008, 07 2007, 06 2006, 05 2005, 04 2004, 03 2003, 02 2002 Chevrolet Trailblazer AC Heater Blower Motor Replacement Instructions
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