{"nhtsa_id":609598,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-04-04","date":"1999-10-01","document_id":"7312","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:SUN/MOON ROOF ASSEMBLY","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH FACTORY INSTALLED MOONROOF MAY EXHIBIT A BOOMING OR BUFFETING NOISE WHILE TRAVELING AT SPEEDS GREATER THAN 40 MPH WHEN THE MOONROOF IS OPEN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/609598","components":[{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"sunroof","name":"Sunroof","parent":"visibility"}],"codes":[],"topics":[],"vehicles":[{"make":"LINCOLN","model":"TOWN CAR","year_from":1988,"year_to":1999,"match":"exact","vehicle_ids":["1988_lincoln_town-car","1989_lincoln_town-car","1990_lincoln_town-car","1991_lincoln_town-car","1992_lincoln_town-car","1993_lincoln_town-car","1994_lincoln_town-car","1995_lincoln_town-car","1996_lincoln_town-car","1997_lincoln_town-car","1998_lincoln_town-car","1999_lincoln_town-car"]}],"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":[]}