{"nhtsa_id":10146072,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-10-29","date":"2018-10-16","document_id":"B18100C","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING; ENGINE","mfr_system":null,"summary":"Servicenews Article - Have a vehicle in your shop with low mileage (less than 1,500 miles) and a hard-to-pinpoint engine knock? We're currently investigating vehicles for hairline fractures in the crankshaft sprocket, and we suspect it may be the cause for this noise.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146072-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10146072-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10146072","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ACURA","model":"ILX","year_from":2017,"year_to":2017,"match":"exact","vehicle_ids":["2017_acura_ilx"]},{"make":"ACURA","model":"TLX","year_from":2017,"year_to":2018,"match":"exact","vehicle_ids":["2017_acura_tlx","2018_acura_tlx"]}],"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":[]}