GM Blend Door Gear
thingiverse
I initially tried dvanommen's and it did work, though the dimensions were a bit askew. Outer gear's teeth mesh was a bit too tight and inner gear had some play. This is a redesign. Outer gear (41T) is 25.5mm and inner gear (11T) is 9.6mm. I tweaked the dimensions a bit to account for the uneven shrinkage of PLA. While the outer gear only shrinks by 2%, the inner gear is closer to 7%. These changes should make for a tighter tooth mesh and longer service life. Shaft hole is also set slightly larger at 2.75 but may still need to be drilled out to 2.5mm once printed. Should fit OEM GM part but if part is aftermarket fitment will be unknown. ACDelco 15-74122 BUICK ALLURE 2005-2009 BUICK LACROSSE 2005-2009 CADILLAC XLR 2004-2009 CHEVROLET CORVETTE 2005-2013 CHEVROLET IMPALA 2004-2013 CHEVROLET IMPALA LIMITED 2014-2016 CHEVROLET MALIBU 2004-2008 CHEVROLET MONTE CARLO 2004-2007 PONTIAC GRAND PRIX 2004-2008
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