ABS light due to master cylinder assembly failure on Buick Riviera

Problem Description and Possible Solution
The ABS master cylinder assembly may fail internally causing the ABS light to illuminate.
Problem Data
RepairPal Verified
Average mileage: 16,800 (16,800–16,800)
5 model years affected: 1990, 1991, 1992, 1993, more1995
5 people reported this problem
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Turbo charged sounds like rock in it