Defect summary
TOO MUCH DISTANCE BETWEEN BOLTS SECURING THE 5TH WHEEL MOUNTING ANGLES TO THE FRAME SIDE RAIL PLACES STRESS ON MOUNTING FASTENERS.
Consequence
FASTENERS COULD WORK LOOSE, CAUSING MOUNTING ANGLES TOFAIL AND RESULT IN SEPARATION OF THE 5TH WHEEL FROM THE TRUCK.
Remedy
INSTALL ADDITIONAL FASTENERS AS REQUIRED.
Notes
SYSTEM: 5TH WHEEL BRACKET.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH SLIDING FONTAINE 5TH WHEELSAND NAVISTAR 4 SPRING OR AIR BAG REAR SUSPENSION.
Source: NHTSA ODI recalls file, campaign 88V086000. Text as published by NHTSA.