AutoStatsIQ
Data through Oct 2026
Campaign 84V-036

Spring seat can deform, which causes a decrease in the clamping force in the suspension assembly

View NHTSA filingAll Mack Trucks campaigns
Defect summary

SPRING SEAT CAN DEFORM, WHICH CAUSES A DECREASE IN THE CLAMPING FORCE IN THE SUSPENSION ASSEMBLY. LOSS OF CLAMPING FORCE MAY BRING ABOUT AXLE MISALIGNMENT OR AXLE HOUSING FAILURE.

Remedy

THE AXLE HOUSING WILL BE INSPECTED AND REPLACED, IF NECESSARY. THE SPRING SEATS WILL ALSO BE REPLACED.

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: SUSPENSION; REAR SPRING SEAT.CONSEQUENCES OF DEFECT: LOSS OF VEHICLE CONTROL COULD OCCUR WITHOUT WARNING,POSSIBLY RESULTING IN AN ACCIDENT.

Source: NHTSA ODI recalls file, campaign 84V036000. Text as published by NHTSA.
Vehicles covered

13 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 84V-036
MakeModelModel yearsComplaints on this component
MackCF1978 to 19820
MackF Series1978 to 19820
MackFM Series1978 to 19820
MackMB Series1978 to 19820
MackMC Series1978 to 19820
MackMR Series1978 to 19820
MackR Series1978 to 19820
WesternRL Series1978 to 19820
WesternRS Series1978 to 19820
WesternRWL Series1978 to 19820
WesternRWS Series1978 to 19820
WesternWL Series1978 to 19820
WesternWS Series1978 to 19820
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.