mxIe ) TECH TIPS Dixie Part Numbers: A-2073 A-2078 A-2098 A-2105 A-2112 A-80401 Applications: 2007 — 2008 Ford Expedition 5.4L 2007 — 2008 Ford F-150 4.6L and 5.4L 2007 — 2008 Ford Mustang 4.6L and 5.4L 2007 — 2008 Lincoln Mark LT 5.4L 2007 — 2008 Lincoln Navigator 5.4L 2007 — 2008 Mercury Mountaineer 5.4L Condition: The operator of the vehicle may complain of a high pitched metallic whistle when starting the engine below 5°C (after cold soak). The noise is most prevalent at idle speed for 10 minutes after start-up with the cold ambient temperatures. Cause: A possible cause for this is a faulty idler pulley. Correction: The manufacturer recommends replacing the idler pulley with a new one (dealer part number 6L3Z-6C348-A) following the manufacturer’s recommended procedures. REV:20100128 Updated Part Number Listing REV: 20100128 Courtesy of Dixie Technical Department TSB_238.doc Dixie Tech Tips are intended for use by professional technicians, and are not for the general public. They are written to inform technicians of conditions that may exist or as a guide to aid in diagnosing and servicing a vehicle. All references to original equipment manufactures, vehicle manufactures and any other Trade Mark names are for the sole purpose of identifying the vehicle and or part that the Tech Tip applies to. This document is property of Dixie Electric Ltd. and is not to be copied or distributed with out written permission.