{"nhtsa_id":10144958,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-09-24","date":"2018-08-10","document_id":"MTB-200917G","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Technical bulletin on updated process for engine variator noise issues","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10144958-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10144958-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10144958","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"MASERATI","model":"GRANTURISMO","year_from":2008,"year_to":2009,"match":"exact","vehicle_ids":["2008_maserati_granturismo","2009_maserati_granturismo"]},{"make":"MASERATI","model":"QUATTROPORTE","year_from":2007,"year_to":2009,"match":"exact","vehicle_ids":["2007_maserati_quattroporte","2008_maserati_quattroporte","2009_maserati_quattroporte"]}],"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":[]}