Join me as I demonstrate a costeffective method to replace the fluid in my FLine's front differential without removing the cover. Using a brake fluid bleeder, we'll see if this unconventional approach works for a rarely used 4WD system. #DIYMechanics #FluidChange #4WDMaintenance #CarCare #FrontDifferential #HarborFreightFinds #AutomotiveTips #MechanicLife #CostEffectiveRepairs #VehicleMaintenance