THE MATING SURFACE ON SOME LAMINATED "J" HOOKS MAY BE UNEVEN, OR THE SWING DOWN ARMS UNEQUAL IN LENGTH, EITHER OF WHICH COULD RESULT IN UNEVEN LOAD BEARING OF THE HOOKS.
Consequence & remedy
Consequence: UNEVEN LOAD BEARING ON "J" HOOKS COULD CAUSE FAILURE OFEITHER HOOK, WHICH RESULTS IN TRAILER SEPARATION AND A VEHCILE CRASH WITHOUTWARNING.
Remedy: REPLACE SWING DOWN ARMS IF THEY ARE UNEQUAL IN LENGTH, AND INSPECT AND REPAIR "J" HOOKS TO ASSURE SYMMETRICAL LOADING.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
PE89121 · Trailer Separation
Opened May 10, 1989 · Closed Sep 5, 1989
Status: closed (inferred from source dates) · Structure
SUMMARY:A CONSTRUCTION COMPANY ALLEGES CATASTROPHIC FAILURE OF THE JHOOKS ON THEIR 1987 WITZER TRAILER RESULTED IN A SERIOUS ACCIDENT.===
1990 Witzer Challenge Problems, Complaints & Recalls | Skip That Year