Some 2009-2011 Escape and Mariner vehicles equipped with a 6F35 automatic transmission may exhibit a single hoot noise on light acceleration from a stop just before the 1-2 shift.
Some 2009-2011 Escape and Mariner vehicles equipped with a 6F35 automatic transmission may exhibit a single hoot noise on light acceleration from a stop just before the 1-2 shift. Technical Service Bulletin # 11-7-23 Date: 110722 A/T 6F35- Hoot Noise On Low Speed Acceleration TSB 11-7-23 07/22/11 6F35 TRANSMISSION - HOOT TYPE NOISE AT LOW SPEED - ON LIGHT ACCELERATION FROM A STOP BEFORE THE FIRST SHIFT FORD: 2010-2021 Ford Truck Escape 4WD L4-2.5L Page 15 2009-2011 Escape MERCURY: 2009-2011 Mariner This article supersedes TSB 10-20-1 to update the production fix date, model years covered, Part List, Service Procedure and Service Labor Time Standards. ISSUE Some 2009-2011 Escape and Mariner vehicles equipped with a 6F35 automatic transmission may exhibit a single hoot noise on light acceleration from a stop just before the 1-2 shift. This noise will not occur any other time and will not occur under heavy acceleration. On four wheel drive (4WD) vehicles, the nois...