Recall 80E006000: Power Train, Automatic Transmission

NHTSA recall 80E006000 · announced March 25, 1980 · Allison Div · 364 units affected

The problem

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.

What to do

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

Official NHTSA recall notice →

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.

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.