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  1. 2011 F-150 Ecoboost Cold Start Grinding Noise - Timing Chain

    F150 Ecoboost Problems
    Hey Gang, This is sort of a PSA regarding this cold start grinding noise issue that a growing number of Ford F-150 Ecoboost owners are beginning to experience with their 2011 and some 2012 3.5L Ecoboost trucks. The problem can be heard right here: This is NOT the Vacuum Pump making noise...