Item Affected: SERVICE BRAKES, AIR:DRUM:CHAMBER
Date Announced: 05/13/1992
Description of Recall: A CRACK IN THE DIE CAST ALUMINUM HOUSING OF THE BRAKE CHAMBER CAUSES A LOSS OF AIR PRESSURE IN THE CHAMBER. LOSS OF AIR PRESSURE CAUSES THE SPRING BRAKES TO BE APPLIED.
Conequence: LOSS OF AIR PRESSURE IN THE HOUSING OF THE BRAKE CHAMBERAND THE SUBSEQUENT APPLICATION OF THE SPRING BRAKES DISABLES THE TRUCK WITHOUTPRIOR WARNING AND COULD CAUSE A VEHICLE ACCIDENT.
Action Need To Fix It: REPAIR OR REPLACE THE SUSPECT MGM BRAKE CHAMBERS.
Notes: SYSTEM: AIR BRAKES.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH MGM BRAKE CHAMBERS, PART NUMBERS3430086, 3430087, 3430096, 3430097, 3431057, AND 3431058.
Item Affected: WHEELS:LUGS/NUTS/BOLTS
Date Announced: 06/22/1992
Description of Recall: THE WHEEL MOUNTING STUDS ON IRON FRONT AND REAR HUBS CAN FRACTURE.
Conequence: BROKEN WHEEL MOUNTING STUDS CAN CAUSE THE TIRE AND WHEELTO SEPARATE FROM THE AXLE AND COULD RESULT IN A VEHICLE ACCIDENT.
Action Need To Fix It: REPLACE THE FRONT AND REAR HUBS WITH HUBS WHICH HAVE NEW STUDS.
Notes: SYSTEM: WHEEL MOUNTING STUDS.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH IRON FRONT AND REAR HUBS UTILIZING BALLSEAT WHEEL MOUNTING CONFIGURATION MANUFACTURED BY DAYTON-WALTHER.