NHTSA recall 87V010000
Suspension › Rear › Springs › Air suspension system
Mack Mack
Reported Feb 9, 19875,235 vehicles affectedMACK TRUCKS, INCORPORATEDBuilt Nov 1, 1971 – Feb 1, 1987
The defect
Crossmember can be overstressed and can fail, allowing the broken crossmember to protude above the top of the frame and interfere with chassis components.
The risk
Trailer handling could be affected during turningmaneuvers which could result in loss of truck control and a crash. also, acompletely separated crossmember could affect height of suspension air springsand the resulting lean could result in loss of control.
The remedy
Installation of a bolted double plate type crossmember to replace the standard channel type crossmember.