{"nhtsa_id":628896,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-03-21","date":"2001-12-01","document_id":"010601028","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME VEHICLES MAY EXHIBIT AN ENGINE KNOCK NOISE ON COLD START. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/628896","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CADILLAC","model":"ESCALADE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_cadillac_escalade"]},{"make":"CHEVROLET","model":"C SERIES","year_from":1999,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"K SERIES","year_from":1999,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C SERIES","year_from":1999,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":1999,"year_to":2002,"match":null,"vehicle_ids":[]}],"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":[]}