NHTSA (USA)Critical
At a glance
What can fail
The nuts that fasten the transfer gearbox flanges were not installed with proper tension, allowing them to loosen over time.
What the fix does
Dealers will inspect the front and rear flange nuts, tighten them to specification, and secure them by staking at two locations.
NHTSA Campaign #98V180000 — full official notice →
Summarized — see the official notice for exact wording, dates, and contacts.