AutoStatsIQ
Data through Oct 2026
Campaign 89V-079

Torque rod bolts are grade 2 instead of grade 5, which is not to specification, and could fail

View NHTSA filingAll Mack Trucks campaigns
Defect summary

TORQUE ROD BOLTS ARE GRADE 2 INSTEAD OF GRADE 5, WHICH IS NOT TO SPECIFICATION, AND COULD FAIL.

Consequence

BOLT FAILURE COULD ALLOW THE REAR AXLE TO SHIFT; THISCOULD ADVERSELY AFFECT TRUCK CONTROL AND COULD RESULT IN A CRASH.

Remedy

REPLACE TORQUE ROD BOLTS WITH BOLTS OF THE PROPER SPECIFICATION.

Notes

SYSTEM: SUSPENSION/TORQUE ROD FASTENERS.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS WITH REYCO SUSPENSION.

Source: NHTSA ODI recalls file, campaign 89V079000. Text as published by NHTSA.
Vehicles covered

3 product lines are covered

Owner complaints filed with NHTSA about suspension on these vehicles: 0, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 89V-079
MakeModelModel yearsComplaints on this component
MackMH19890
MackR Series19890
MackRW Series19890
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.