Skyhawk L4-112 1.8L Turbo VIN J FI (1984)
Brake Rotor/Disc: All Technical Service Bulletins
Brakes - Disc Noise
SUBJECT:
DISC BRAKE NOISE - 1984 SKYHAWKS DCS NO. 85-03
TO:
ALL BUICK DEALERS AND ZONES GROUP NO. 5 SEPTEMBER 22, 1984
ATTENTION:
SERVICE MANAGER BE SURE TO REVIEW THIS INFORMATION WITH SERVICE DEPARTMENT PERSONNEL.
SOME 1984 SKYHAWKS MAY HAVE BEEN ASSEMBLED WITH ONE OR BOTH FRONT DISC BRAKE ROTORS THAT MAY CAUSE A
LOUD BRAKE SQUEAK OR WHISTLETYPE NOISE AFTER VEHICLE IS DRIVEN APPROXIMATELY 1,000 MILES. THIS NOISE IS
NOTICEABLE DURING BRAKING AFTER SEVERAL LIGHT-TO-MEDIUM BRAKE APPLICATIONS, AND IS EVIDENT FROM ANY
SEATING POSITION INSIDE THE CAR WITH THE WINDOWS CLOSED. THIS NOISE IS MUCH LOUDER AND LOWER-PITCHED THAN
THE BRAKE SQUEAL SOMETIMES ASSOCIATED WITH GLAZED PADS. ROTORS, WHICH COULD CAUSE THIS NOISE MAY HAVE
BEEN USED ON SOME 1984 SKYHAWKS WITHIN THE FOLLOWING SERIAL NUMBERS:
FROM
TO AND INCLUDING
EK512952
EK528357
IF THIS CONDITION SHOULD OCCUR ON A VEHICLE WITHIN THE ABOVE BREAK POINTS, REPLACE THE FRONT DISC BRAKE
ROTOR(S) WITH SERVICE PART NUMBER 14075755. THE FRONT DISC BRAKE PADS SHOULD NOT REQUIRE REPLACEMENT.