VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND MULTI-PURPOSE PASSENGER VEHICLES. ONE OR BOTH FRONT BRAKE ROTOR/HUBS WERE BUILT WITH AN OUT-OF-SPECIFICATION GRAY IRON THAT CAN FAIL DURING THE LIFE OF THE VEHICLE.
IF A DRIVER CONTINUES TO DRIVE WITH A CRACKED ROTOR, THE CRACKS COULD CONTINUE AROUND THE WHEEL MOUNTING BOLT CIRCLE AND ULTIMATELY RESULT IN A WHEEL SEPARATION.
DEALERS WILL INSPECT THE ROTORS FOR A CORE DATE OF "287" AND, IF FOUND, REPLACE THE ROTOR.
OWNER NOTIFICATION IS EXPECTED TO BEGIN DURING MARCH 1998. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-800-462-8782.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).