{"nhtsa_id":618142,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-04-05","date":"2000-12-01","document_id":"000604053","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME OWNERS MAY COMMENT ON A HISS NOISE AT CLOSED THROTTLE ONLY. IT MAY SOUND SIMILAR TO A BELT NOISE OR A POWER STEERING PUMP NOISE WHEN IT IS COLD. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/618142","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_chevrolet_cavalier","2000_chevrolet_cavalier"]},{"make":"CHEVROLET","model":"S/T PICKUP","year_from":1999,"year_to":2000,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"S/T PICKUP","year_from":1999,"year_to":2000,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"SUNFIRE","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_pontiac_sunfire","2000_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":[]}