Quote Originally Posted by ugandasafari View Post
Brake and clutch servo share the same vacuum pump and accumulator. I have had days of brake head scratching only to find my clutch servo needed a kit. If you don't have a vacuum gauge you can stick your thumb over the end of each pipe in turn where it plugs onto the servo. If it doesn't hold vacuum check for pipe leaks back to the pump. Its usually the front clutch servo seal that goes. Always bleed your brake apportioning valve first. I'm under one of mine today with no rear brakes.
Welcome to the forum!

I've had no idea they both use the same booster.
It's apparently not the case with RB30, but I suspect TB42 & TD42 it is as above.