PIERCE FIRE TRUCK 1989: STEERING:HYDRAULIC POWER ASSIST:PUMP

General Information

NHTSA Campaign ID Number: 92V049000

Make Model Year
PIERCE FIRE TRUCK 1989
Date Owners Notified Date Received by ODI Date Added to Database
1992-05-05 1992-04-15 1992-04-23

Production Dates: 1989-08-01 - 1991-05-01

Manufacturers Involved: Pierce Manufacturing

Component: STEERING:HYDRAULIC POWER ASSIST:PUMP

Potential Number Of Units Affected: 1225

Report Initiator: ODI ODI Report

Summary

THE KEY WHICH SECURES THE POWER STEERING PUMP MATING GEAR TO THE PUMP DRIVE SHAFT BREAKS AND FALLS OUT, ALLOWING THE MATING GEAR TO SPIN ON THE SHAFT OF THE POWER STEERING PUMP, RESULTING IN A LOSS OF POWER STEERING.

Consequence

THE LOSS OF POWER STEERING WITHOUT PRIOR WARNING CAUSESAN INCREASED EFFORT TO STEER THE VEHICLE, AND IF THE VEHICLE IS IN MOTION WHENPOWER STEERING LOSS OCCURS, COULD RESULT IN A VEHICLE ACCIDENT.

Remedy

INSPECT THE GEAR, KEY, KEYWAY, AND PUMP SHAFT AND REPLACE ANY DAMAGED OR WORN PARTS. INSTALL NEW KEY AND SHAFT COLLAR WITH SET SCREW AND TIGHTEN TO 10 FOOT POUNDS.

Notes

SYSTEM: POWER STEERING.VEHICLE DESCRIPTION: FIRE TRUCKS EQUIPPED WITH DETROIT DIESEL ENGINES AND AVICKERS V20 POWER STEERING PUMP.NOTE: RETROFIT KITS WILL BE SHIPPED TO DEALERS BEGINNING MAY 15, 1992. UNTILRETROFIT KITS HAVE BEEN INSTALLED, CUSTOMERS ARE ADVISED TO INSPECT UNITS TOENSURE KEY IS STILL INTACT.