THE GLASS KEEPS COMES OUT OF THE REGULATOR. AFTER REPLACING THE REGUALTOR, IT IS GOOD FOR COUPLE MONTHS, THEN BROKE AGAIN. REMOVE THE WINDOW RUN, EXPOSING THE TRUTH: THE LOWER TRACK HAD A TON
GUE THAT JOINT THE UPPER TRACK BROKEN, IT CAN JIG OUT ANYTIME AND JAMB THE MOVEMENT OF THE GLASS. THAT WILL BREAK THE JOINT BETWEEN THE GLASS AND THE REGULATOR.