{"nhtsa_id":10178397,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2020-08-10","date":"2020-07-30","document_id":"PIT4916J","mfr_campaign":null,"replaces":null,"component":"VISIBILITY","mfr_system":null,"summary":"This Preliminary Information communication provides information to the technician about vehicles that have may a helicopter type noise when a rear window is lowered. This is a normal characteristic of this vehicle, but the concern can be minimized by lowering a front door glass approximately 1 to 2 inches.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178397-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10178397-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10178397","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EQUINOX","year_from":2010,"year_to":2021,"match":"exact","vehicle_ids":["2010_chevrolet_equinox","2011_chevrolet_equinox","2012_chevrolet_equinox","2013_chevrolet_equinox","2014_chevrolet_equinox","2015_chevrolet_equinox","2016_chevrolet_equinox","2017_chevrolet_equinox","2018_chevrolet_equinox","2019_chevrolet_equinox","2020_chevrolet_equinox","2021_chevrolet_equinox"]},{"make":"GMC","model":"TERRAIN","year_from":2010,"year_to":2020,"match":"exact","vehicle_ids":["2010_gmc_terrain","2011_gmc_terrain","2012_gmc_terrain","2013_gmc_terrain","2014_gmc_terrain","2015_gmc_terrain","2016_gmc_terrain","2017_gmc_terrain","2018_gmc_terrain","2019_gmc_terrain","2020_gmc_terrain"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}