SERVICE BRAKES, AIR:DRUM:CHAMBER
SEVERE BRAKE CHATTER MAY CAUSE THE BRAKE CHAMBER MOUNTING BRACKETS ON EITHER SIDE TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S CAM SHAFT TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION.
Remedy: AS NECESSARY, INSTALL NEW REINFORCED FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE ON VEHICLES WITHOUT ONE.
7,870 vehicles affected
SERVICE BRAKES, HYDRAULIC:FLUID
SEVERE BRAKE CHATTER MAY CAUSE THE BRAKE CHAMBER MOUNTING BRACKETS ON EITHER SIDE TO DEVELOP CRACKS IN THE WELD AREA WHERE THE S-CAM SHAFT TUBE ATTACHES TO THE CHAMBER SUPPORT SECTION. CONSEQUENCE OF DEFECT: BRACKETS CAN BREAK, RESULTING IN LOSS OF BRAKING ABILITY AT THE FRONT WHEEL, AND POSSIBLY RESTRICT STEERING, WHICH COULD LEAD TO A VEHICLE CRASH WITHOUT PRIOR WARNING.
Remedy: AS NECESSARY, REPLACE FRONT BRAKE CHAMBER MOUNTING BRACKETS AND INSTALL A FRONT BRAKE LIMITING VALVE.
4,299 vehicles affected
SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC
VEHICLES HAVE A PRIMARY AND A RESERVE BRAKING SYSTEM. IF THE PRIMARY BRAKE SYSTEM BOOSTER FAILS, UNDER SOME CIRCUMSTANCES THE RESERVE SYSTEM MAY ALSO MALFUNCTION AND BRAKING ABILITY WILL BE IMPAIRED.
Remedy: DEALER WILL INSTALL A NEW RESERVE BRAKE CONTROL MODULE AT NO COST TO OWNER.
1,436 vehicles affected