{"nhtsa_id":10018532,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2006-01-05","date":null,"document_id":"3644","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"MOMENTARY SAG ON LIGHT TO MODERATE ACCEL WHEN COLD - VALVE DEPOSITS. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10018532","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"COBALT","year_from":2005,"year_to":2006,"match":"exact","vehicle_ids":["2005_chevrolet_cobalt","2006_chevrolet_cobalt"]},{"make":"SATURN","model":"ION","year_from":2004,"year_to":2006,"match":"exact","vehicle_ids":["2004_saturn_ion","2005_saturn_ion","2006_saturn_ion"]}],"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":[]}