The issue
THE REAR SUSPENSION TOP TORQUE RODS ON THE CHALMERS 800 SERIES SUSPENSION WERE MANUFACTURED BY WELDING TWO ANGLED TUBES TOGETHER. THESE WELDS MAY FAIL DUE TO INADEQUATE PENETRATION CAUSING THE TORQUE ROD TO FAIL WITHOUT WARNING AND ALLOWING THE REAR AXLE(S) TO MOVE OUT OF POSITION RESULTING IN VEHICLE INSTABILITY AND LOSS OF CONTROL. CORRECTION: WELDED TOP TORQUE RODS WILL BE REPLACED WITH A NEW ONE PIECE TYPE.
Description (français)
Les tiges de force supérieure des suspensions arrière du type Chalmers série 800 ont été construites par soudage de deux tubes en L. Les pièces peuvent se dessouder à cause d'un défaut de pénétration de la soudure. Les tiges de force peuvent se rompre sans avertissement, causant le déplacement du ou des essieux arrière et la perte de maîtrise du véhicule.
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada · official text, unchanged
Vehicles covered
| Make and model | Model years |
|---|---|
| Kenworth C.O.E. | 1986, 1987 |
| Kenworth Conventional | 1986, 1987 |