Steering: gear box: shaft sector
- Component
- Steering: gear box: shaft sector
- Manufacturer
- PACCAR INCORPORATED
- Vehicles affected
- 559
- Reported to NHTSA
- 2007-12-20
- Owners notified
- 2008-01-09
Defect description
ON CERTAIN KENWORTH AND PETERBILT HEAVY DUTY TRUCKS EQUIPPED WITH TAS-85 TRW STEERING GEARS, THE INNER SURFACE OF THE OUTER SECTOR SHAFT TEETH OF THE STEERING GEARS MAY HAVE AN INCORRECT INVOLUTE PROFILE, WHICH MAY LEAD TO CHIPPING AND DAMAGE OF THE GEARING SYSTEM.
Safety risk
THIS TYPE OF DAMAGE MAY CAUSE A "BIND/STICK" CONDITION IN THE VEHICLE STEERING DURING A TURN INCREASING THE RISK OF A CRASH.
Manufacturer remedy
DEALERS WILL REPAIR AND REPLACE ANY SUSPECT TAS-85 STEERING GEAR ASSEMBLY FREE OF CHARGE. THE RECALL BEGAN ON JANUARY 9, 2008. OWNERS MAY CONTACT KENWORTH AT 425-828-5440 AND PETERBILT AT 940-591-4201.