{"nhtsa_id":10200190,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-08-09","date":"2021-06-28","document_id":"A212334670","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT; ENGINE; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"Service Update. Certain vehicles equipped with a 1.3L gasoline engine (RPO L3T), have cylinder head outer bolts which were not tightened. Dealers are to retighten the cylinder head outer bolts.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200190-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2021/MC-10200190-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10200190","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ENCORE GX","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_buick_encore-gx"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2021,"year_to":2021,"match":"exact","vehicle_ids":["2021_chevrolet_trailblazer"]}],"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":[]}