{"nhtsa_id":10158886,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-04-22","date":"2017-06-06","document_id":"12313D","mfr_campaign":null,"replaces":null,"component":"ENGINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY","mfr_system":null,"summary":"12313D - Special Coverage. On some vehicles, equipped with a 2.4L engine (RPO LAF), the chrome layer on the balance chain pins may wear, allowing the chain to stretch. This would cause an engine noise, and if left untreated, could cause the chain to break, leading to engine damage.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158886-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2017/MC-10158886-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10158886","components":[{"id":"engine","name":"Engine","parent":null},{"id":"equipment","name":"Equipment and accessories","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"LACROSSE","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_buick_lacrosse","2011_buick_lacrosse"]},{"make":"BUICK","model":"REGAL","year_from":2011,"year_to":2011,"match":"exact","vehicle_ids":["2011_buick_regal"]},{"make":"CHEVROLET","model":"EQUINOX","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_chevrolet_equinox","2011_chevrolet_equinox"]},{"make":"GMC","model":"TERRAIN","year_from":2010,"year_to":2011,"match":"exact","vehicle_ids":["2010_gmc_terrain","2011_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":[]}