{"nhtsa_id":626068,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-12-12","date":"2001-09-05","document_id":"050901","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:DIESEL","mfr_system":null,"summary":"SUBJECT REGARDING CERTAIN MODELS INCLUDING 2001-2002 CHEVROLET AND GMC GMT 800 RPL LB7 6600 DURAMAX DIESEL ENGINE FAILURES. *SLC","document":null,"url":"https://open.wenmarpro.com/bulletins/626068","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CHEVROLET TRUCK","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"GMT 800","year_from":2001,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMC","year_from":2002,"year_to":2002,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"GMT 800","year_from":2001,"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":[]}