Mack Recall 93V024000: Trailer Hitches

NHTSA recall 93V024000 · announced February 16, 1993 · filed by Mack Trucks, Incorporated · 4,924 units affected

The problem

THE CARRIER YOKE BOLTS WERE MANUFACTURED WITH WORN ROLLING THREAD DIES, CAUSING STRESS CONCENTRATIONS WHICH CAUSED CRACKS DURING THE QUENCHING PROCESS.

The risk

THIS CONDITION CAN CAUSE BOLT FAILURE AND ALLOW THEDRIVELINE TO SEPARATE FROM THE CARRIER ASSEMBLY.

What to do

REPLACE THE CARRIER YOKE BOLTS.

Official NHTSA recall notice →

Notes

SYSTEM: TRAILER YOKE.VEHICLE DESCRIPTION: HEAVY TRUCKS.

Vehicles covered by this recall

• 1992 Mack Ch
• 1993 Mack Ch
• 1992 Mack Cl
• 1993 Mack Cl
• 1992 Mack Dm
• 1993 Mack Dm
• 1992 Mack Mh
• 1993 Mack Mh
• 1992 Mack Mr
• 1993 Mack Mr
• 1992 Mack Rb
• 1993 Mack Rb
• 1992 Mack Rd
• 1993 Mack Rd
• 1992 Mack Rm
• 1993 Mack Rm

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.