I AM WORKING ON A 1992 FORD SUPERDUTY 7.5 WITH ZF 5 SPEED, THIS IS THE FIFTH SLAVE CYL. I HAVE REPLACED ON OUR FLEET OF SUPERDUTY, MY PROBLEM IS BLEEDING ALL THE AIR OUT. I CAN BLEED THEM GOOD ENOUGH TO WORK BUT IT IS NEVER LIKE IT WAS BEFORE. THEY HAVE A HIGH... Login to read more.