I have a 1993 Chevy Suburban 1500 2-wd w/ 300, XXX miles. I recently started having problems with the brake pedal sinking to the floor. This problem seems to be more noticeble when I'm stopped (at a traffic light) and holding. I first tried to bleed the brakes, but this had no effect. I changed out the master cyl. (Re-man), bled the brakes and still have the same problem. I also had to install a new front caliper, because the bleeder bolt would not come out of the old one. The truck seems to stop ok, but has a soft pedal. If I press on the brake pedal quickly, I can hear a "woosh" noise. I don't know if I got a bad master unit or if I have a bad vaccum booster as well. Any help would be appriciated. Thanks.
have the same problem?
Friday, August 5th, 2011 AT 5:20 PM