United States 90V075000
Oshkosh Corporation
The problem
AIR BRAKES MAY NOT MEET THE RELEASE TIME REQUIREMENTS OF FMVSS 121.
Risk
THERE MAY BE A SLIGHT FRONT AXLE BRAKE DRAG AND TRUCKS WOULD NOT COMPLY WITH FMVSS 121.
What owners should do
REPLACE PARTS AND RE-WORK SYSTEM TO CORRECT AIR BRAKE RELEASE TIME.
Units 104