{"nhtsa_id":600284,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1998-05-05","date":"1998-02-01","document_id":"98776526","mfr_campaign":null,"replaces":null,"component":"VEHICLE SPEED CONTROL:LINKAGES","mfr_system":null,"summary":"VEHICLES WITH 6.5L DIESEL ENGINES (VINS S, F - RPOS L56, L65, L65-CMT) MAY EXPERIENCE WHITE SMOKE, ROUGH IDLE, POOR THROTTLE RESPONSE ON COLD START. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/600284","components":[{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"C SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"K SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"P SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"P SERIES","year_from":1997,"year_to":1997,"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":[]}