TrailBlazer / Envoy HVAC Actuator Gear (52T)
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52-tooth replacement HVAC actuator gear for first-generation Chevrolet TrailBlazer and GMC Envoy.
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Updated at source:
Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Standard Digital File License
Replacement main gear for the HVAC door actuator on first-generation Chevrolet TrailBlazer and GMC Envoy vehicles. A cracked gear, loose shaft fit or broken tooth can cause clicking behind the dash or leave the airflow stuck in one mode.
Compare the original tooth count, outside diameter and shaft fit before printing. This gear has 52 teeth, measures 35.26 mm across the tooth tips and is 9 mm thick. Fit of this specific STL has not been verified on an actuator.
Print settings
The included Bambu Studio project is set up for an A1 with Generic PETG, 0.4 mm nozzle, 0.16 mm layers, five walls, 80% infill, textured PEI and no supports. Print flat at 100% scale.
TrailBlazer Club repair post (Russian) · Original MakerWorld listing.