ENGINE AND ENGINE COOLING:ENGINE:DIESEL
Jun 23, 1999
33,700 units potentially affected
The defect: EQUIPMENT DESCRIPTION: MECHANICALLY UNIT INJECTED DIESEL ENGINES. THE GOVERNOR OF THE ENGINE CONTROLS THE UNIT INJECTOR FUELING BY WAY OF A CONTROL ASSEMBLY. IN THIS ASSEMBLY, A LINK TO THE GOVERNOR IS JOINED TO THE CONTROL ROD USING A RIVET. THIS RIVET CAN LOOSEN AND THEN WEAR RESULTING IN ENGINE SPEED INSTABILITY.
The risk: IF NOT IDENTIFIED AND CORRECTED, ENGINE SPEED CONTROL COULD BE LOST DUE TO RIVET DISENGAGEMENT.
The remedy: DEALERS WILL INSPECT THE CONTROL ASSEMBLY AND REPLACED IF NECESSARY.
CATERPILLAR, INC.View on NHTSA.gov