United States 06V323000
Mack Trucks, Inc.
The problem
CERTAIN TRUCKS EQUIPPED WITH THE TRI-DRIVE OPTION FAIL TO COMPLY WITH THE PERFORMANCE CRITERIA REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, 'AIR BRAKE SYSTEMS.'
Risk
THE PURPOSE OF THIS STANDARD IS TO INSURE SAFE BRAKING PERFORMANCE UNDER NORMAL AND EMERGENCY CONDITIONS.
What owners should do
THE TRUCKS WILL HAVE THE PNEUMATIC SYSTEM RECONFIGURED. THE RECALL IS EXPECTED TO BEGIN ON OR BEFORE SEPTEMBER 29, 2006. OWNERS MAY CONTACT MACK AT 1-800-528-6586.
Units 3