GMC T8H Recalls
Item Affected: SERVICE BRAKES, AIR:CONTROLS
Date Announced: 07/20/1987
Description of Recall: THE BRAKE INTERLOCK SHUTTLE VALVE ASSEMBLY COULD UNDER A HEAVY SERVICE BRAKE APPLICATION FRACTURE OR FRAGMENT THE INTERNAL SHUTTLE PISTON.
Conequence: THE FRACTURE OR FRAGMENTION OF THE INTERLOCK SHUTTLEVALVE PISTON COULD RESULT IN PARTIAL OR COMPLETE LOSS OF REAR BRAKING. AREDUCTION IN BRAKING ABILITY COULD RESULT IN A VEHICLE CRASH WITHOUT PRIORWARNING.
Action Need To Fix It: NEW IMPROVED BRAKE INTERLOCK SHUTTLE ASSEMBLY WILL BE INSTALLED.
Notes: SYSTEM: BRAKES/INTERLOCK SHUTTLE VALVE ASSEMBLY.VEHICLE DESCRIPTION: DIESEL TRANSIT BUSES.
Item Affected: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
Date Announced: 03/16/1984
Description of Recall: THE MAIN FEED WIRE AND HORN RELAY-FLASHER FEED WIRE MAY HAVE BEEN CONNECTED IN REVERSE POSITIONS IN THE NUMBER TWO CIRCUIT BREAKER IN THE DRIVER"S CONTROL PANEL.
Conequence:
Action Need To Fix It: OWNERS ARE ASKED TO DETERMINE IF THE NUMBER TWO CIRCUIT BREAKER IS CORRECTLY WIRED, AND IF NOT, TO CORRECT THE WIRING AS SPECIFIED IN THE OWNER"S NOTIFICATION.
Notes: VEHICLE DESCRIPTION: TRANSIT BUSES.SYSTEM: ELECTRICAL SYSTEM; WIRING.CONSEQUENCES OF DEFECT: THE VEHICLE MAY BE MOVED WHEN THE REAR DOOR IS OPEN,AND MAY RESULT IN PERSONAL INJURY TO PASSENGERS.
Item Affected: ELECTRICAL SYSTEM:WIRING:INTERIOR/UNDER DASH
Date Announced: 03/16/1984
Description of Recall: THE MAIN FEED WIRE AND HORN RELAY-FLASHER FEED WIRE MAY HAVE BEEN CONNECTED IN REVERSE POSITIONS IN THE NUMBER TWO CIRCUIT BREAKER IN THE DRIVER"S CONTROL PANEL.
Conequence:
Action Need To Fix It: OWNERS ARE ASKED TO DETERMINE IF THE NUMBER TWO CIRCUIT BREAKER IS CORRECTLY WIRED, AND IF NOT, TO CORRECT THE WIRING AS SPECIFIED IN THE OWNER"S NOTIFICATION.
Notes: VEHICLE DESCRIPTION: TRANSIT BUSES.SYSTEM: ELECTRICAL SYSTEM; WIRING.CONSEQUENCES OF DEFECT: THE VEHICLE MAY BE MOVED WHEN THE REAR DOOR IS OPEN,AND MAY RESULT IN PERSONAL INJURY TO PASSENGERS.
Item Affected: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Date Announced: 06/24/1976
Description of Recall:
Conequence:
Action Need To Fix It:
Notes: GMC CAMPAIGN NO C-76-C-1. TRANSIT AND SUBURBAN COACHES WITH MANUAL STEERING,POWER STEERING. INTERCITY COACHES MANUAL STEERING AND POWER STEERING.POSSIBILITY THAT THE UPPER STEERING BOX BEVEL GEARS WERE IMPROPERLY CASEHARDENED. AS A RESULT, IT IS POSSIBLE FOR A GEAR TOOTH TO CRACK AND BREAK OFFAND INTERFERE WITH THE OPERATION OF THE GEARS, RESULTING IN LOSS OF STEERINGCONTROL. SHOULD THIS OCCUR, VEHICLE CRASH COULD HAPPEN WITHOUT PRIOR WARNING.(CORRECT BY INSPECTING AND REPLACING WITH NEW GEARS). MODELS W/MANUALSTEERING-DOM START AND END. T6H5308A 1976 FEB - 1976 MAR. T8H5308A 1976 JAN -1976 FEB. T8H5307A 1976 MAR - 1976 MAY. T6H4523N 1975 DEC - 1976 MAY.T6H4523A 1975 DEC - 1976 MAY. S8H5304A 1976 FEB - 1976 MAY. P8M4108A 1975 SEP- 1975 SEP. MODELS W/PWR STRG. T8H5307A 1975 SEP - 1976 MAR. T8H5308A 1975DEC - 1975 DEC. T6H4523A 1976 FEB - 1976 FEB. P8M4108A 1975 OCT - 1975 NOV.P8M4905A 1976 MAR - 1976 MAY.
Item Affected: STEERING:GEAR BOX (OTHER THAN RACK AND PINION)
Date Announced: 06/24/1976
Description of Recall:
Conequence:
Action Need To Fix It:
Notes: GMC CAMPAIGN NO C-76-C-1. TRANSIT AND SUBURBAN COACHES WITH MANUAL STEERING,POWER STEERING. INTERCITY COACHES MANUAL STEERING AND POWER STEERING.POSSIBILITY THAT THE UPPER STEERING BOX BEVEL GEARS WERE IMPROPERLY CASEHARDENED. AS A RESULT, IT IS POSSIBLE FOR A GEAR TOOTH TO CRACK AND BREAK OFFAND INTERFERE WITH THE OPERATION OF THE GEARS, RESULTING IN LOSS OF STEERINGCONTROL. SHOULD THIS OCCUR, VEHICLE CRASH COULD HAPPEN WITHOUT PRIOR WARNING.(CORRECT BY INSPECTING AND REPLACING WITH NEW GEARS). MODELS W/MANUALSTEERING-DOM START AND END. T6H5308A 1976 FEB - 1976 MAR. T8H5308A 1976 JAN -1976 FEB. T8H5307A 1976 MAR - 1976 MAY. T6H4523N 1975 DEC - 1976 MAY.T6H4523A 1975 DEC - 1976 MAY. S8H5304A 1976 FEB - 1976 MAY. P8M4108A 1975 SEP- 1975 SEP. MODELS W/PWR STRG. T8H5307A 1975 SEP - 1976 MAR. T8H5308A 1975DEC - 1975 DEC. T6H4523A 1976 FEB - 1976 FEB. P8M4108A 1975 OCT - 1975 NOV.P8M4905A 1976 MAR - 1976 MAY.
