NHTSA recall 90V048000
Steering › Linkages
Mack CH
The defect
The upper and lower pinch bolt on the steering pitman arm and the lower pinch bolt connection on shephard power gears were not torqued correctly.
The risk
Pinch bolt could loosen and break; this could cause loss of truck steering control and result in a crash.
The remedy
Install english hex head bolts and flat washers; torque pinch bolts to specifications.