HAD NEW FRONT BRAKE PADS INSTALLED NOV 2017. DURING RUSH HOUR GOING 25 UNDER THE POSTED SPEED LIMIT OF 45 MPH (AS FAST AS I COULD SAFELY GO WITH TRAFFIC), I WAS REAR ENDED. BRAKES WOULD NOT WORK, BRAKE PEDAL WENT ALL THE WAY TO THE FLOOR. CRASHED INTO CAR IN FRONT OF ME. AFTER REPAIR (NEW FRONT END), BRAKES WILL STILL GO ALL THE WAY TO THE FLOOR ON OCCASION, AND ARE VERY JUMPY-LIKE IT'S STOPPING THEN RELEASING RAPIDLY. 3 SHOPS HAVE FOUND NO ISSUES.