Just replaced the brake booster on my 97 burban. It was hissing at me and my right leg is 2x as big with the extra pressure needed. What a job that turned out to be. Nuts and bolts are quick but that "Devil" clip that holds the brake rod to the peddle arm is unforgettable. Even dropping the steering only gave me minimal room to work. And the cheapo clip is a one use only according to my GM dealer. 3 1/2 hours to get it out and 45 minutes to put it all back together.