A brake pedal simulator air gap filler system includes a brake pedal, a pedal feel simulator engaged by the brake pedal, a pedal push rod engaged by the brake pedal, a master cylinder/booster push rod spaced-apart from the pedal push rod, an air gap between the pedal push rod and the master cylinder/booster push rod, a master cylinder/booster engaged by the master cylinder/booster push rod and an air gap filling apparatus having an air gap filling head in adjacent proximity to the air gap and adapted to selectively engage and disengage the air gap.