Defect summary
MALFORMED STEERING WHEEL CENTER SECTION COULD RESULT IN A FRACTURE OF THE UPPER HUB CASTING. THIS MAY LEAD TO SEPARATION OF THE STEERING WHEEL FROM THE STEERING COLUMN MOUNTING HUB.
Consequence
FRACTURED UPPER HUB CASTING COULD RESULT IN LOSS OFSTEERING CONTROL WITHOUT WARNING AND AN ACCIDENT.
Remedy
REMOVE AND REPLACE THE UPPER HUB CASTING AND INSTALL A HUB PLATE.
Notes
SYSTEM: STEERING WHEELS.VEHICLE DESCRIPTION: HEAVY TRUCKS EQUIPPED WITH OPTIONAL LEATHER COVERED STEERING WHEEL.
Source: NHTSA ODI recalls file, campaign 91V084000. Text as published by NHTSA.