United States 87V188000
Mack Trucks, Inc.
The problem
SOME OF BOLTS FASTENING REAR DRIVESHAFT ON REAR AXLE FLANGE MAY LOOSEN CAUSING DRIVESHAFT DISASSEMBLY.
Risk
DRIVESHAFT COULD BREAK AWAY WITHOUT PRIOR WARNING ANDRESULT IN A CRASH OR INJURY FROM LOOSENED DRIVESHAFT OR BOLTS.
What owners should do
REPLACE BOLTS ON REAR AXLE.
Units 3620