{"nhtsa_id":606431,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-08-20","date":"1999-05-17","document_id":"9999","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)","mfr_system":null,"summary":"INFORMATION REGARDING THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM FREEEZING AT COLD AMBIENT TEMPERATURES CAUSING THE ENGINE OIL TO LEAK FROM THE OIL LEVEL INDICATOR TUBE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/606431","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":"ESCORT","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_ford_escort"]},{"make":"MERCURY","model":"TRACER","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_mercury_tracer"]}],"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":[]}