{"nhtsa_id":52778,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-09-12","date":"1997-05-01","document_id":"BC2237970501","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"RECALL 97S67 - MODIFICATION OF THE PCV VALVE REQUIRES A SPECIAL TOOL WHICL WILL SENT TO LISTED PARTS MANAGERS. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/52778","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null},{"id":"egr-valve","name":"EGR valve","parent":"exhaust-emissions"}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_ford_explorer"]},{"make":"MERCURY","model":"MOUNTAINEER","year_from":1997,"year_to":1997,"match":"exact","vehicle_ids":["1997_mercury_mountaineer"]}],"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":[]}