Recalls for OEM Parts Rockwell Brake Drum

DEFECT #1 - SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

Posted on: 1995-01-24
Description
The machining performed on the brake drums will not permit the drum to seat fully against the hub face.  The reduced brake drum and hub contact area will abrade and fret allowing the wheel mounting joint to loosen.

Consequence
The wheel mounting studs can break resulting inseparation of the wheel from the vehicle.  Vehicle steering and braking will be reduced and the separated wheel would cause a hazard to others on the highway.  Either event can result in a vehicle accident.

Corrective Action
Rockwell will replace the incorrectly machined drums with new brake drums and replace the wheel mounting studs.

Notes
System: brakes; air; shoe and drum assembly.  Equipment description: brake drums installed in certain 18,000 to 21,000lb.  Capacity front drive steering axles.  Note: if the brake drums are not replaced with in a reasonable time free of charge, please contact rockwell at 810-435-9205.  Also contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.

DEFECT #2 - SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:DRUM

Posted on: 1990-09-18
Description
Hub mounting face diameter of drum may be improperly machined causing a line contact interference of the hub and drum assembly, loosening of the wheel nut and wheel stud fracture.

Consequence
Fracture of all wheel studs could result in separation of the wheel set from the vehicle affecting vehicle control and stability.

Corrective Action
Replace drums with new drums machined to proper dimension.

Notes
System:brake drums.  Part numbers:3219-s-4907 and 3619-f-3984.