{"nhtsa_id":620282,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-24","date":"2001-03-01","document_id":"13913","mfr_campaign":null,"replaces":null,"component":"VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN","mfr_system":null,"summary":"SOME VEHICLE'S HYDRAULIC COOLING FAN SYSTEMS (HCF) MAY EXHIBIT A KNOCKING NOISE. THIS NOISE COULD BE DUE TO AIR IN THE SYSTEM, HCF LINES OR COMPONENTS IMPROPERLY TOUCHING OTHER COMPONENTS, OR A HCF PUMP. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620282","components":[{"id":"engine","name":"Engine","parent":null},{"id":"visibility","name":"Glass, wipers and mirrors","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"cooling-fan","name":"Cooling fan","parent":"engine"},{"id":"cooling-system","name":"Cooling system","parent":"engine"}],"codes":[],"topics":[],"vehicles":[{"make":"LINCOLN","model":"LS","year_from":2000,"year_to":2000,"match":"exact","vehicle_ids":["2000_lincoln_ls"]},{"make":"MCI","model":"102D","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"102DL","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]},{"make":"MCI","model":"E SERIES","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}