Trailer hitchesRecall 93V-024 · Mack vehicles
MACK TRUCKS, INCORPORATED recall 93V-024 covers 4,924 Mack vehicles for a trailer hitches problem, reported to NHTSA on February 16, 1993.
Source: NHTSA recall 93V024000 and manufacturer quarterly reports. Started by the manufacturer.
What's wrong
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
The fix
REPLACE THE CARRIER YOKE BOLTS.
SYSTEM: TRAILER YOKE.VEHICLE DESCRIPTION: HEAVY TRUCKS.
Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.