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  1. F150 Ecoboost Problems
    2011 3.5 screw, its been shaking/bouncing at around 60mph, speed up and it goes away, slow down from 60mph it goes away, almost looks like from the mirror the bed is bouncing back and forth between each side when it does, and even going over small bumps and slower speeds it feels bouncy...
  2. F150 Ecoboost Problems
    So went to change the rear diff fluid today and noticed this. Assuming thats not normal? Looks like it could be making contact on the gear from the yoke, not exactly sure how to describe it
  3. F150 Ecoboost IWE
    So the other day i noticed a grinding sound coming from the drivers front wheel area, investigated a little further into the IWE’s, with the truck on and in 2wd, the drivers side spins freely as it should, but the passenger side doesnt, went and got a vacuum tester and tested both sides...
  4. F150 Ecoboost Problems
    So i took my truck to the dealer and had them replace the pinion seal that was leaking right before i went on a cross country trip, ive noticed now however when i decellerate to around 35-40 mph i hear and feel what i can best describe as driving over a rumble strip, then as i slow down even...
  5. F150 Ecoboost Problems
    New to the site and couldnt find any threads that talked about mileage this bad. Also new to my 2011 f150 ecoboost 3.5l v6 Lariat Screw without any modifications (that I know of) and with a bed cover. Filled up on Thursday night, drove about 4 hours of city, and about an hour highway total over...
1-5 of 5 Results