ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
Feb 12, 1992
16,000 units potentially affected
The defect: 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.
The risk: 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.
The remedy: REWORK THE GOVERNORS ON THE ENGINES TO PREVENT THE LOSS OF SERVO PINS.
CATERPILLAR TRACTOR CO.View on NHTSA.gov