{"nhtsa_id":629613,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-04","date":"2001-12-11","document_id":"111201","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ADDRESSING CUSTOMERS COMMENTS ABOUT ENGINE OIL COOLER LINES LEAKING. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/629613","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"EXPRESS","year_from":1996,"year_to":1996,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"EXPRESS","year_from":1997,"year_to":2002,"match":"exact","vehicle_ids":["1997_chevrolet_express","1998_chevrolet_express","1999_chevrolet_express","2000_chevrolet_express","2001_chevrolet_express","2002_chevrolet_express"]},{"make":"GMC","model":"SAVANA","year_from":1996,"year_to":2002,"match":"exact","vehicle_ids":["1996_gmc_savana","1997_gmc_savana","1998_gmc_savana","1999_gmc_savana","2000_gmc_savana","2001_gmc_savana","2002_gmc_savana"]}],"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":[]}