I got ambitious and tried it. I used a soft plastic tube and gently stuffed it down to the bottom of the brake booster through the main vacuum line. I then used my MityVac and withdrew about 8 ounces of brake fluid. Ugggh! Unfortunately I think I now need to replace the booster since that is about double the amount that the CD says can accumulate without covering some of the non-brake fluid resistant rubber. A word for the wise, if you start to loose brake fluid check to see if is accumulating in the booster. It's an easy 5-10 minute job and if you catch it in time you'll save yourself the cost of a new booster (I wish I had).