E-one Recall 91V124000: Unknown Or Other

NHTSA recall 91V124000 · announced July 23, 1991 · filed by E-one, Inc. · 91 units affected

The problem

IN THE EVENT THAT THE PROPER PUMP ENGAGEMENT SEQUENCE IS NOT FOLLOWED THE "OK TO PUMP" INDICATOR LIGHT WILL ILLUMINATE WHEN THE TRANSMISSION IS IN A DRIVE GEAR.

What to do

AN ELECTRONIC CIRCUIT AND MODULE WILL BE INSTALLED TO LOCK-OUT THE PUMP THROTTLE ON ELECTRONICALLY CONTROLLED TRANSMISSIONS IF THE CORRECT LOCK-OUT PROCEDURES ARE NOT CARRIED OUT.

Official NHTSA recall notice →

Notes

SYSTEM: FIRE TRUCK WATER PUMPS.VEHICLE DESCRIPTION: FIRE TRUCKS WITH ALLISON ATEC ELECTRONIC TRANSMISSIONS,ALLISON MODELS HT741 AND MT648.CONSEQUENCE OF CONDITION: UNLESS THE TRANSMISSION IS PLACED IN THE LOCK-UP MODEBEFORE THE PUMP IS ENGAGED, THE ENGINE CAN DEVELOP SUFFICIENT POWER TO OVERRIDETHE TRUCKS PARK BRAKES, RESULTING IN VEHICLE MOVEMENT WITHOUT PRIOR WARNING ANDA POSSIBLE ACCIDENT.

Vehicles covered by this recall

• 1988 E-one Hush
• 1989 E-one Hush
• 1990 E-one Hush
• 1991 E-one Hush

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