If a rivet is not crimped, the flex joint can rotate on the shaft and there would be a reduction in or loss of steering control.

Steering — Gear Box (Other Than Rack And Pinion)

Date Announced
MAY 29, 1998
Vehicles Affected
90,000
NHTSA Campaign #
98V116000
Summary
Vehicle description: Medium duty trucks and chassis-cabs. One or more of the four rivets on the lower steering shaft flex coupling may not have been crimped during the sub-assembly process.
Actions
Dealers will inspect the lower steering shaft rivets and replace any shafts with uncrimped rivets.
Documents (1)