{"nhtsa_id":52596,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-08-21","date":"1997-04-01","document_id":"776109","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ENGINE STALL AT COLD START, ROUGH IDLE, OIL FILTER EXPANSION, HIGH OIL PRESSURE AND ENGINE MISFIRE DTC'S (REPLACE OIL PUMP WITH IMPROVED PRESS RELIEF VALVE BORE). *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52596","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"SKYLARK","year_from":1995,"year_to":1997,"match":"exact","vehicle_ids":["1995_buick_skylark","1996_buick_skylark","1997_buick_skylark"]},{"make":"CHEVROLET","model":"CAVALIER","year_from":1995,"year_to":1997,"match":"exact","vehicle_ids":["1995_chevrolet_cavalier","1996_chevrolet_cavalier","1997_chevrolet_cavalier"]},{"make":"OLDSMOBILE","model":"ACHIEVA","year_from":1995,"year_to":1997,"match":"exact","vehicle_ids":["1995_oldsmobile_achieva","1996_oldsmobile_achieva","1997_oldsmobile_achieva"]},{"make":"PONTIAC","model":"GRAND AM","year_from":1995,"year_to":1997,"match":"exact","vehicle_ids":["1995_pontiac_grand-am","1996_pontiac_grand-am","1997_pontiac_grand-am"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":1995,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"SUNFIRE","year_from":1996,"year_to":1997,"match":"exact","vehicle_ids":["1996_pontiac_sunfire","1997_pontiac_sunfire"]}],"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":[]}