DT: THE CONTACT STATED THE ABS ACTIVATED AT LESS THAN 30 MPH. WHEN APPLYING THE BRAKES THERE WAS A CHATTERING SOUND COMING FROM THE BRAKE PEDAL. THIS WAS ON ONGOING PROBLEM. THE FIRST OCCURRENCE HAPPENED IN SEPTEMBER 2004. THE DEALERSHIP REMOVED THE CORROSION FROM THE ABS SENSORS. THE PROBLEM DID NOT RETURN UNTIL DECEMBER 23, 2005. THE CIRCUMSTANCES WERE THE SAME AS BEFORE. THE DEALERSHIP CLEANED THE CORROSION FROM THE ABS SENSORS. THE PROBLEM HAS NOT RECURRED. *AK THE WATER PUMP WAS REPLACED. UPDATED 01/19/06. *JB