NHTSA recall 88V085000
Power train › Driveline › Center support bearing
Mack Dmm Series and 5 more
Reported May 23, 1988203 vehicles affectedMACK TRUCKS, INCORPORATEDBuilt Nov 1, 1987 – Nov 1, 1987
The defect
Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment.
The risk
If clamp plate breaks, yoke would fly off at detachedpoint and could injury anyone struck by flying fragments. also, the detachedinner shaft could interfere with the brake system air supply hoses and tractortires, which could result in loss of truck control and an accident.
The remedy
Install new clamping plates and capscrews in all locations as needed.