One problem related to power assist brake vacuum has been reported for the 1999 Oldsmobile Alero. The most recently reported issues are listed below.
Abs senor light and the tracking light have came on simultaneously on three separate occasions, and causing vehicle to be without brakes. Vehicle been into dealer shop on five occasions, and problem still reoccurring. Consumer stated there was a crunching noise from brakes brake booster was relaced, consumer also stated that power steering was noisey.