AutoStatsIQ
Data through Oct 2026
Campaign 88V-085

Clamp plates used between the drive shaft and carrier yokes may crack and could break due to improper heat treatment

View NHTSA filingAll Mack Trucks campaigns
Defect summary

CLAMP PLATES USED BETWEEN THE DRIVE SHAFT AND CARRIER YOKES MAY CRACK AND COULD BREAK DUE TO IMPROPER HEAT TREATMENT.

Consequence

IF CLAMP PLATE BREAKS, YOKE WOULD FLY OFF AT DETACHEDPOINT AND COULD INJURY ANYONE STRUCK BY FLYING FRAGMENTS. ALSO, THE DETACHEDINNER SHAFT COULD INTERFERE WITH THE BRAKE SYSTEM AIR SUPPLY HOSES AND TRACTORTIRES, WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND AN ACCIDENT.

Remedy

INSTALL NEW CLAMPING PLATES AND CAPSCREWS IN ALL LOCATIONS AS NEEDED.

Notes

SYSTEM: DRIVE SHAFT YOKE CLAMP PLATES.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS.

Source: NHTSA ODI recalls file, campaign 88V085000. Text as published by NHTSA.
Vehicles covered

6 product lines are covered

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

Vehicles covered by campaign 88V-085
MakeModelModel yearsComplaints on this component
MackDM Series19880
MackDMM Series19880
MackR Series19880
MackRD Series19880
MackRM Series19880
MackU Series19880
Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.