NHTSA recall 89V079000
Suspension › Front
Mack MH and 2 more
The defect
Torque rod bolts are grade 2 instead of grade 5, which IS not to specification, and could fail.
The risk
Bolt failure could allow the rear axle to shift; thiscould adversely affect truck control and could result in a crash.
The remedy
Replace torque rod bolts with bolts of the proper specification.