NHTSA recall campaign
91V177000
ManufacturerFREIGHTLINER CORPORATIONReported1991-10-15Affected420 vehicles
What was wrong
Defect
THE HOOK SIZE OF THE THROTTLE RETURN SPRING IS TOO SMALL RESULTING IN A TIGHT FIT AROUND THE ANCHOR NUT, CAUSING THE THROTTLE RETURN SPRING TO BREAK PREMATURELY.
Risk
IF THE THROTTLE SPRING BREAKS, THE ENGINE WILL RETURN TO IDLE SPEED, WHICH MAY CAUSE A HIGHWAY HAZARD AND RESULT IN A VEHICLE CRASH.
Manufacturer remedy
INSTALL THROTTLE RETURN SPRINGS WITH LARGER HOOKS.
To check whether your specific VIN is covered and to find a participating dealer, look this campaign up on NHTSA.gov →