Originally Posted by Riccochet
This fix does not address the 55-65 shudder. Open another thread for this TSB.
Whos to say that for sure? It is aimed at multiple driveability concerns, per TSB. I certainly hope it does. The last TSB seemed to help some people somewhat. Mine will be going in this week and will try and hit some hills once it is complete and see what happens.
2011 F150 Ecoboost Crew Cab FX4, black, 6.5 ft box, max tow, Luxury Package, Bilstein 5100's, Duratracs, SSi custom tuned, aFe intercooler, 170 thermostat