NHTSA Recall 97V139000
Filed by PACCAR Incorporated. Component: Suspension. Reported 1997-08-20. An estimated 13,200 vehicles are affected. Recall repairs are free at any authorized dealer.
Defect
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH KENWORTH AIRGLIDE 200 REAR SUSPENSION. DUE TO MATERIALS USED IN THE SWAY BAR ARMS AND STUDS AS WELL AS THE STUD PLATING MATERIAL, STRESS CORROSION CRACKING AND BENDING FATIGUE CAN OCCUR IN THE REAR SUSPENSION SWAY BAR ARMS AND STUDS CAUSING THE STUD TO FAIL PREMATURELY.
Risk
THIS COULD CAUSE A LOSS OF STEERING CONTROL INCREASING THE RISK OF A VEHICLE CRASH.
What the manufacturer will do
DEALERS WILL REPLACE THE ARM ASSEMBLY MANUFACTURED FROM A DIFFERENT MATERIAL. NEW STUDS WILL BE INSTALLED WITH DIFFERENT THREADS AND DIFFERENT FINISH.
Notes
OWNER NOTIFICATION IS EXPECTED TO BEGIN SEPTEMBER 8, 1997. 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 KENWORTH AT 1-206-828-5418. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.