CERTAIN TRUCKS BUILT WITH A 8X6 WHEEL CONFIGURATION (TRIDEMS) FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 121, 'AIR BRAKE SYSTEMS.' THE AS-BUILT AIR BRAKE COMPONENT SIZE AND CONFIGURATION ARE INADEQUATE FOR THE EXTENDED WHEELBASES CAUSING THE MID-REAR AND REAR-REAR AXLE BRAKE…
THE LONGER BRAKE APPLY TIME MAY RESULT IN EXTENDED STOPPING DISTANCES, WHICH COULD RESULT IN A CRASH.
DEALERS WILL CHANGE THE AIR HOSING (TO 3/4" DIAMETER) FROM THE AIR TANK; AIR HOSING (TO 3/4") FROM THE ABS-MODULATOR VALVES TO SERVICE BRAKE QUICK RELEASE VALVES; AND THE SERVICE BRAKE QUICK RELEASE VALVES WILL BE UPGRADED WITH LARGER PORTS TO ACCOMMODATE HIGH AIR FLOW FREE OF CHARGE. THE RECALL BEGAN ON MARCH 10,…