Hydroboost 4 wheel disk ISSUES !! HELP

[cparman]

I am thinking that there is not ANY clearance between hydroboost unit and the master cylinder. What I usually do is to unbolt the master cylinder, without removing the brake lines and making a mess, and see if the rod coming from the hydroboost is adjustable ( meaning it is threaded ). If it is not that is ok as well. What you want to do is to verify that you have a tiny bit of clearence between the hydroboost, and the MC. I will roll a tiny bit of clay ( 1/4 " ball ) and put it on the tip of the rod coming from the Hydroboost. then bolt ht e booster/MC back together for a minute, and then unbolt it. Checking to see if the clay is completely crushed or not. If it is the you need to adjust or trim the length of the rod, to get a scunch of clearance.
I have not done this with Hydroboost, but done it a bunch with a vacuum booster type setup