1992 Chevrolet Suburban brakes problems

Defect

THIS IS NOT A SAFETY RECALL IN ACCORDANCE WITH THE SAFETY ACT. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. VEHICLE DESCRIPTION: 1992-1994 CHEVROLET AND GMC SUBURBANS EQUIPPED WITH VACUUM POWER-BRAKE ASSIST AND EBC4 ANTI-LOCK BRAKE (ABS) MODULES. THESE VEHICLES EXHIBIT POOR BRAKE SYSTEM PERFORMANCE.

Consequence

THIS COULD BE ATTRIBUTED TO BRAKE PEDAL FEEL.

Remedy

DEALERS WILL INSTALL A NEW BRAKE PEDAL PAD. IN ADDITION, DEALERS WILL INSPECT THE BRAKE-BOOSTER OUTPUT ROD AND REPLACE IT IF NECESSARY.

Defect

SEVERE CORROSION DUE TO ROAD SALT AT THE JOINT OF THE STAMPED STEEL CENTER SECTION AND THE CAST OUTER SECTION CAN CAUSE THE SECTIONS TO SEPARATE.

Consequence

SEPARATION OF THE ROTOR SECTIONS CAN CAUSE LOSS OFBRAKING ABILITY IN THE AFFECTED WHEEL. THIS COULD RESULT IN INCREASED STOPPINGDISTANCE AND/OR LOSS OF VEHICLE CONTROL AND AN ACCIDENT.

Remedy

REPLACE THE FRONT BRAKE ROTORS WITH NEW ROTORS WITH A CORROSION PROTECTION COATING. HOWEVER, IF REPLACEMENT OF BRAKE LININGS ARE NECESSARY, IT WILL BE DONE AT OWNER'S EXPENSE SINCE BRAKE LININGS ARE NORMAL MAINTENANCE ITEMS.

Defect

THE PIVOT BOLT HOLDING THE BRAKE PEDAL TO ITS SUPPORT BRACKET MAY BE IMPROPERLY TIGHTENED AND MAY NOT HAVE ENGAGED THE LOCKING MATERIAL ON THE BOLT. THE BOLT CAN DISENGAGE FROM THE NUT.

Consequence

IF THE PIVOT BOLT DISENGAGES FROM THE NUT WHILE THEVEHICLE IS IN MOTION, THERE WILL BE A LOSS OF BRAKE CONTROL AND COULD RESULT INA VEHICLE ACCIDENT.

Remedy

DEALERS SHOULD INSPECT THE HAND STARTED BRAKE PEDAL BOLTS AND TORQUE THEM TO SPECIFICATION.