{"nhtsa_id":10150651,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-12-10","date":"2018-10-24","document_id":"18338","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; EQUIPMENT","mfr_system":null,"summary":"18338 - Service Update. Certain vehicles may have a linkage to the HVAC front defrost door that is not fully seated and it may disconnect over time. Inspect the defrost linkage and repair if the linkage is not fully seated.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10150651-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10150651-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10150651","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"SILVERADO 1500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_chevrolet_silverado"]},{"make":"GMC","model":"SIERRA 1500","year_from":2019,"year_to":2019,"match":"base","vehicle_ids":["2019_gmc_sierra"]}],"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":[]}