ABS Warning Light On and/or Erratic ABS Operation on Chevrolet 2500 Pickup

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

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Average mileage: 205,000 (175,000–235,000)
11 model years affected: 1990, 1991, 1992, 1993, more1994, 1995, 1996, 1997, 1998, 1999, 2000
15 people reported this problem
2 people shared problem details
abs system causing the brakes to lock and shake
Changed both front wheel bearings with Timkin aftermarket. Also replaced driveshaft rubber center bushing set hanger bearing back and made sure drive shaft was not sunk too far into transfercase so rear wheel sensor did not set a fault
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