Fitment: 2004-2007 Buick Rainier 2002-2009 Chevrolet Trailblazer 2003-2006 Chevrolet Trailblazer EXT 2002-2009 GMC Envoy 2002-2006 GMC Envoy XL 2004-2005 GMC Envoy XUV Fixes Common Problems Including: No air blowing from vents Weak air flow from vents Fan only works on certain speeds Whining or ticking noise coming from blower motor area Seller Tips : .
