Some 2009-2011 Mariner and 2009-2012 Escape vehicles equipped with a 2.5L DOHC engine and automatic transmission may exhibit a drone/moan or rattle noise.
Some 2009-2011 Mariner and 2009-2012 Escape vehicles equipped with a 2.5L DOHC engine and automatic transmission may exhibit a drone/moan or rattle noise. Technical Service Bulletin # 11-10-26 Date: 111027 2010-2021 Ford Truck Escape 4WD L4-2.5L Page 10 Engine/Charging - Drone/Rattle At 1300-1400 RPM TSB 11-10-26 10/27/11 2.5L DOHC WITH AUTOMATIC TRANSMISSION - DRONE/MOAN OR RATTLE NOISE AT 45-61 KM/H (28-38 MPH) AND 1300-1400 RPM FORD: 2009-2012 Escape MERCURY: 2009-2011 Mariner ISSUE Some 2009-2011 Mariner and 2009-2012 Escape vehicles equipped with a 2.5L DOHC engine and automatic transmission may exhibit a drone/moan or rattle noise. The noise typically occurs while driving up a slight incline, under light throttle at 45-61 Km/h (28-38 MPH) at 1300-1400 RPM, in 5th gear. Torsional engine pulses may cause front end accessory drive (FEAD) resonation. The noise may be present with the A/C on or off but is typically aggravated when the A/C compressor cycles on....