{"nhtsa_id":10017014,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-20","date":"2012-07-01","document_id":"3656","mfr_campaign":null,"replaces":"PIT-3656B","component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR","mfr_system":null,"summary":"REPEAT REAR BLOWER MOTOR FAILURE OR INOPERATIVE. *TT UPDATED 12/5/08. *PE UPDATED 08/06/2012 *JS","document":null,"url":"https://open.wenmarpro.com/bulletins/10017014","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2002,"year_to":2005,"match":"exact","vehicle_ids":["2002_chevrolet_trailblazer","2003_chevrolet_trailblazer","2004_chevrolet_trailblazer","2005_chevrolet_trailblazer"]},{"make":"CHEVROLET","model":"TRAILBLAZER EXT","year_from":2006,"year_to":2006,"match":"base","vehicle_ids":["2006_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2002,"year_to":2005,"match":"exact","vehicle_ids":["2002_gmc_envoy","2003_gmc_envoy","2004_gmc_envoy","2005_gmc_envoy"]},{"make":"GMC","model":"ENVOY XL","year_from":2006,"year_to":2006,"match":"base","vehicle_ids":["2006_gmc_envoy"]}],"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":[]}