ISSUE Some vehicles may experience white flakes or powder coming from the A/C vents when the blower motor is engaged.
ISSUE Some vehicles may experience white flakes or powder coming from the A/C vents when the blower motor is engaged. Technical Service Bulletin # 11-9-6 Date: 110914 A/C - White Flakes/Powder Blow From Dash Vents TSB 11-9-6 09/14/11 WHITE FLAKES OR POWDER COMING FROM A/C VENTS FORD: 2005-2009 Focus 2008-2010 Crown Victoria 2000-2005 Expedition, F-150 2007-2012 Edge 2008-2010 Escape LINCOLN: 2008-2010 Town Car 2010-2021 Ford Truck Escape 4WD L4-2.5L Page 13 2000-2005 Navigator 2007-2012 MKX MERCURY: 2008-2010 Grand Marquis, Mariner This article supersedes TSB 09-21-6 to update the vehicle model years and Service Procedure. ISSUE Some vehicles may experience white flakes or powder coming from the A/C vents when the blower motor is engaged. ACTION Follow the Service Procedure steps to correct the condition. SERVICE PROCEDURE NOTE WHEN WORKING WITH COMPRESSED AIR AND NUISANCE DUST, THE USE OF DUST PROOF GOGGLES AND A DUST MASK IS RECOMMENDED. NOTE THE E...