Two problems related to brake antilock wheel speed sensor have been reported for the 1998 Chevrolet Silverado. The most recently reported issues are listed below.
The abs brakes locked and the pedal went to the floor at low speeds between 3-10 mph. Also, the brakes would not function properly at high speeds. This resulted in extended stopping distance. The consumer replaced the front wheel bearings and wheel speed sensors; this did not correct the problem. The consumer did not refer vehicle to a dealer, but took vehicle to a certified mechanic, who did not known how to remedy the problem. The consumer was experiencing the same problem with his gm truck. A recall was issued. However, this vehicle was not included in the recall due to the model year although the exact same brake system was on this vehicle.
1998 chevy Silverado. Abs brakes activate at very slow speeds (5 mph) and vehicle will not stop. This is a regular occurance for over 2 years. Dealer indicated it will be $650 to remove and clean front wheel speed sensors.