{"nhtsa_id":609673,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-04-06","date":"1998-08-01","document_id":"98017","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"VALVE ROCKER ARM COVER FAILED, CAUSING OIL CNSUMPTION TO INCREASE. YD","document":null,"url":"https://open.wenmarpro.com/bulletins/609673","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_chevrolet_cavalier"]},{"make":"CHEVROLET","model":"S10","year_from":1998,"year_to":1998,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SONOMA","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_gmc_sonoma"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":1998,"year_to":1998,"match":"exact","vehicle_ids":["1998_pontiac_sunfire"]}],"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":[]}