{"nhtsa_id":52601,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-08-21","date":"1997-03-01","document_id":"676114A","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ENGINE NOISE (INSTALL VALVE STEM OIL SEAL). *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52601","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ROADMASTER","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_buick_roadmaster","1995_buick_roadmaster","1996_buick_roadmaster"]},{"make":"CADILLAC","model":"FLEETWOOD","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_cadillac_fleetwood","1995_cadillac_fleetwood","1996_cadillac_fleetwood"]},{"make":"CHEVROLET","model":"ASTRO","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"BLAZER","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_chevrolet_blazer","1997_chevrolet_blazer"]},{"make":"CHEVROLET","model":"C SERIES(LIGHT)","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"CAPRICE","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_chevrolet_caprice","1995_chevrolet_caprice","1996_chevrolet_caprice"]},{"make":"CHEVROLET","model":"G SERIES","year_from":1996,"year_to":1996,"match":"exact","vehicle_ids":["1996_chevrolet_g-series"]},{"make":"CHEVROLET","model":"G SERIES","year_from":1997,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"IMPALA","year_from":1994,"year_to":1996,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"K SERIES","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"P SERIES","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"C SERIES(LIGHT)","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"G SERIES","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"JIMMY","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"K SERIES","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"P SERIES","year_from":1996,"year_to":1997,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"SAFARI","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_gmc_safari","1997_gmc_safari"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_oldsmobile_bravada","1997_oldsmobile_bravada"]}],"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":[]}