Allison Div Allison Div Recalls

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NHTSA Campaign Number: 84E022000
Manufacturer: ALLISON TRANSMISSION
Manufactured Begin Date: September 1st, 1983
Manufactured End Date: January 1st, 1984
Date of Owner Notification: November 30th, 1984

Defect Summary:
SEAT WARMER MAY SHORT CIRCUIT OR OVERHEAT DUE TO MANUFACTURING DEFECT.

Corrective Summary:
OWNERS SHOULD CONTACT MANUFACTURER FOR INSTRUCTIONS ON RETURNING THE PRODUCT FOR A FULL REFUND.

Recall Notes:
VEHICLE CATEGORY: PASSENGER VEHICLES.SYSTEM: ELECTRIC POWER ACCESSORIES; SEAT WARMERS.CONSEQUENCES OF DEFECT: OVERHEATING MAY RESULT IN A FIRE AND PERSONAL INJURY.

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NHTSA Campaign Number: 81E001000
Manufacturer: ALLISON TRANSMISSION
Manufactured Begin Date: December 1st, 1979
Manufactured End Date: December 1st, 1980
Date of Owner Notification: December 22nd, 1980

Defect Summary:
IF EXCESS COMBUSTIBLE FLUIDS SUCH AS DIESEL FUEL OR LUBRICATION OIL BUILD UP IN THESE ENGINES, THE EXCESS FLUID CAN BE CARRIED INTO THE INTAKE SYSTEM THROUGH A VALVE.

Corrective Summary:
THE CRANKCASE DEPRESSION REGULATOR VALVE WILL BE REPLACED WITH A ROAD DRAFT TUBE. THIS REPAIR IS TO BE DONE AT THE SAME TIME AS THE REPAIR FOR CAMPAIGN 80C-4.

Recall Notes:
VEHICLE CATEGORY: MEDIUM TRUCKS AND SCHOOL BUSES WITH 8.2 LITER DIESEL ENGINES.SYSTEM: ENGINE AND ENGINE COOLING; CRANKCASE VENTILATION SYSTEM.CONSEQUENCES OF DEFECT: IF THIS CONDITION OCCURS, ENGINE SPEED MAY INCREASE,INDEPENDENT OF THROTTLE CONTROL. THIS COULD RESULT IN LOSS OF VEHICLE CONTROL,WITHOUT PRIOR WARNING, AND AN ACCIDENT.NOTE: OWNER IS ADVISED NOT TO OVERFILL THE CRANKCASE WHILE CHANGING OR ADDINGLUBRICATION OIL. SHOULD LOSS OF THROTTLE CONTROL BE EXPERIENCED DURING VEHICLEOPERATION, THE TRANSMISSION SHOULD BE SHIFTED TO NEUTRAL, THE VEHICLE BRAKED TOA STOP, AND THE IGNITION KEY TURNED OFF. NO ATTEMPT SHOULD BE MADE TO RESTARTTHE ENGINE.

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NHTSA Campaign Number: 81E002000
Manufacturer: ALLISON TRANSMISSION
Manufactured Begin Date: December 1st, 1979
Manufactured End Date: December 1st, 1980
Date of Owner Notification: December 22nd, 1980

Defect Summary:
THESE ENGINES HAVE AN ENGINE SPEED GOVERNOR WITH A LINKAGE LOCK THAT MAY LOOSEN OR COMPLETELY SEPARATE.

Corrective Summary:
A NEW GOVERNOR LINKAGE LOCK WILL BE INSTALLED. THIS REPAIR IS TO BE DONE AT THE SAME TIME AS THE REPAIR FOR CAMPAIGN 80C-3.

Recall Notes:
VEHICLE CATEGORY: MEDIUM TRUCKS AND SCHOOL BUSES EQUIPPED WITH 8.2 LITER DIESELENGINES.SYSTEM: ENGINE AND ENGINE COOLING; GOVERNOR LINKAGE REGULATOR.CONSEQUENCES OF DEFECT: IF THE LOCK LOOSENS, THE ENGINE WILL CONTINUE TO RUNDESPITE ATTEMPTS TO TURN IT OFF NORMALLY. IF THE LOCK BREAKS, OTHER COMPONENTSCOULD BE DAMAGED, POSSIBLY CAUSING LOSS OF THROTTLE CONTROL, WITHOUT PRIORWARNING, AND AN ACCIDENT.NOTE: IN THE EVENT A LOSS OF THROTTLE CONTROL OCCURS BEFORE THE VEHICLE ISMODIFIED, SHIFT INTO NEUTRAL AND APPLY BRAKES UNTIL VEHICLE COMES TO A COMPLETESTOP.

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NHTSA Campaign Number: 80E006000
Manufacturer: ALLISON TRANSMISSION
Manufactured Begin Date: January 1st, 1979
Manufactured End Date: April 1st, 1979
Date of Owner Notification: March 25th, 1980

Defect Summary:
CERTAIN TRANSMISSIONS WERE ASSEMBLED WITH IMPROPERLY MACHINED FORWARD CLUTCH HOUSINGS. THE RESULTING INCORRECT BALL CHECK VALVE SEAT ANGLES IN THE PRESSURE EXHAUST PORTS MAY PREVENT COMPLETE OIL EVACUATION FROM THE PISTON APPLY AREA.

Corrective Summary:
VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE FORWARD CLUTCH ASSEMBLIES WILL BE REWORKED.

Recall Notes:
VEHICLE CATEGORY: TRUCKS AND BUSES WITH DIESEL TRANSMISSIONS.SYSTEM: POWER TRAIN; ALLISON TRANSMISSIONS, MODEL NOS. HT-700, CLBT-750 ANDV-730.CONSEQUENCES OF DEFECT: TRUCKS AND BUSES WITH THESE TRANSMISSIONS MAY MOVEFORWARD EVEN WHEN THE GEAR SELECTOR IS IN NEUTRAL. THIS COULD OCCUR WITHOUTPRIOR WARNING AND COULD RESULT IN AN ACCIDENT.