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Mack MS300T Recall 83V102: Power Train:Manual Transmission

NHTSA campaign 83V102, reported September 27, 1983, 565 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 83V102MACK TRUCKS, INCORPORATED
Component
POWER TRAIN:MANUAL TRANSMISSION
Problem
THE YOKE OF THE TRANSMISSION PROPELLER SHAFT MAY LACK REQUIRED STRENGTH DUE TO ERRONEOUS COUNTERBORE OPERATION IN WHICH 10 MILLIMETERS OF EXTRA MATERIAL MAY HAVE BEEN CUT. THIS CONDITION COULD LEAD TO FRACTURE OF THE YOKE IN SERVICE.
Risk
Remedy
ALL AFFECTED PARTS WILL BE INSPECTED AND REPLACED, IF NECESSARY.
Notes
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: POWER TRAIN; TRANSMISSION PROPELLER SHAFT YOKE.CONSEQUENCES OF DEFECT: DURING ENGINE OPERATION AT HEAVY THROTTLE, AS INVEHCILE STARTING, FRAGMENTS OF A FRACTURED YOKE COULD BE PROPELLED OUTWARD ANDCAUSE INJURY TO NEARBY PERSONS.NOTE: THE FRACTURE COULD ALSO OCCUR WITHOUT WARNING DURING NORMAL HIGHWAYOPERATION, RESULTING IN LOSS OF POWER AT THE DRIVING WHEELS, DIFFICULTY INMAINTAINING VEHICLE CONTROL, AND A POSSIBLE ACCIDENT.

Affected vehicles

Mack MS300T1981