Defect summary
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS. THE CHECK VALVES IN THE AIR BRAKE SYSTEM ON THESE VEHICLES DO NOT MEET THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."
Consequence
INCREASED BRAKING EFFORT MAY BE REQUIRED.
Remedy
DEALERS WILL INSTALL NEW CHECK VALVES ON THE VEHICLES INVOLVED.
Notes
INTERNATIONAL RECALL NO. 99512.OWNER NOTIFICATION BEGAN DECEMBER 27, 1999. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT NAVISTAR AT 1-800-448-7825. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).
Source: NHTSA ODI recalls file, campaign 99V350000. Text as published by NHTSA.