Item Affected: STEERING:WHEEL AND HANDLE BAR
Date Announced: 01/02/1991
Description of Recall: THE STEERING WHEEL HUB TAPER MAY BE LARGER THAN THE SPECIFIED TOLERANCES.
Conequence: PROGRESSIVE WEAR OF THE MATING PARTS COULD RESULT IN HUBSPLINE WEAR, CAUSING THE STEERING WHEEL FIT TO BECOME LOOSE. A LOOSE FIT IN THESTEERING WHEEL HUB CAN CAUSE LOSS OF STEERING CONTROL AND POTENTIAL VEHICLECRASH WITHOUT WARNING.
Action Need To Fix It: REPLACE DEFECTIVE STEERING WHEEL HUBS.
Notes: SYSTEM: STEERING WHEEL HUB TAPER.VEHICLE DESCRIPTION: HEAVY TRUCKS.
Item Affected: SERVICE BRAKES, AIR:DISC:CHAMBER
Date Announced: 04/26/1993
Description of Recall: THE SPRING BRAKE CHAMBERS MOUNTED ON TAG AXLES WITH MOUNTING STUDS ALIGNED HORIZONTALLY INSTEAD OF VERTICALLY CAN RESULT IN FRACTURE OF THE BRAKE CHAMBER HOUSING BASE WHICH LIMITS THE APPLICATION OF SERVICE BRAKES ON THE AFFECTED WHEEL.
Conequence: LIMITED APPLICATION OF SERVICE BRAKES ON A WHEELINCREASES STOPPING DISTANCE WHICH COULD RESULT IN AN ACCIDENT.
Action Need To Fix It: REPLACE THE BRAKE CHAMBERS WITH CHAMBERS THAT HAVE BEEN REINFORCED FOR HORIZONTAL MOUNTING.
Notes: SYSTEM: BRAKES.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH SPRING BRAKE TYPE MGM BRAKE CHAMBERSINSTALLED ON ROCKWELL TAG AXLES.