CATERPILLAR 3306B 1990: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

General Information

NHTSA Campaign ID Number: 92E005000

Make Model Year
CATERPILLAR 3306B 1990
Date Owners Notified Date Received by ODI Date Added to Database
1992-08-20 1992-02-12 1992-02-18

Production Dates: 1987-10-01 - 1990-10-01

Manufacturers Involved: Caterpillar, Inc.

Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE

Potential Number Of Units Affected: 16000

Report Initiator: ODI ODI Report

Summary

THE GOVERNOR SERVO PIN ON THE ENGINE CAN COME OUT WHILE THE ENGINE IS OPERATING DUE TO LACK OF AN ADEQUATE PRESS FIT AND/OR INADEQUATE STAKING AT THE END OF THE PIN BORE.

Consequence

IF THE GOVERNOR SERVO PIN COMES OUT WHILE THE ENGINE ISBEING OPERATED, THE FUEL RATE WILL NOT CHANGE AND THE TRUCK WILL CONTINUE AT THEOPERATING SPEED EVEN THOUGH THE THROTTLE PRESSURE IS DECREASED.

Remedy

REWORK THE GOVERNORS ON THE ENGINES TO PREVENT THE LOSS OF SERVO PINS.

Notes

SYSTEM: ENGINE.EQUIPMENT DESCRIPTION: GOVERNOR SERVO PIN; TURBO-CHARGED DIESEL TRUCK ENGINES.