5 recalls found. |
DEFECT #1 - STEERING:LINKAGES
Posted on: 1991-05-15
Description
Stresses imposed on the lever during turning maneuvers and/or impact incidents, such as would be caused by curbs or road surface irregularity, reduce the life expectancy of the part. The steering lever may crack and eventually the stresses could cause the steering lever to break.
Consequence
A broken steering lever will cause loss of steeringcontrol without prior warning which may result in a vehicle crash.
Corrective Action
Replace the defective steering arms.
Notes
System: steering levers.vehicle description: cf model fire chassis with gross axle weight ratings of12,000 pounds or greater and equipped with power steering.note: the specific mack axles affected are: fa532, faf532, fafw537, fafw5372,fafw13.5, faw538, faw14.3, fa604, fa6042, faw616, faw618, faw617, and faw20.
DEFECT #2 - STEERING:WHEEL AND HANDLE BAR
Posted on: 1985-12-04
Description
The splined steering shaft may not be sufficiently engaged as designed due to inaccurate drilling of the holes in the frame to which the cab front mount member is bolted. Under certain conditions the steering shaft may disengage. Consequence of defect: a jarring impact might cause disengament of the splined shaft resulting in loss of steering control and possibly an accident.
Consequence
Corrective Action
Replace shafts which measure under the minimum engagement dimensions with longer shaft.
Notes
System: steering shaft. Vehicle description: fire trucks.
DEFECT #3 - STEERING:WHEEL AND HANDLE BAR
Posted on: 1983-04-27
Description
On the involved vehicles the floorboard opening and the steering column seal bracket do not have sufficient clearance to allow the shaft to turn freely. This causes the pinch bolt to bind or lock against the seal bracket.
Consequence
Corrective Action
The hole in the floorboard will be enlarged to allow sufficient clearance of the steering column u-joint pinch bolt, and a new bracket and lamp will be installed at no charge to owner.
Notes
Vehicle description: fire fighting equipment chassis equipped with sgp48steering gears.system: steering; steering column shaft u-joint clearances.consequences of defect: there will be little or no wheel return; loss ofsteering control without prior warning could result in an accident.
DEFECT #4 - SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY
Posted on: 1984-04-11
Description
Spring seat can deform, which causes a decrease in the clamping force in the suspension assembly. Loss of clamping force may bring about axle misalignment or axle housing failure.
Consequence
Corrective Action
The axle housing will be inspected and replaced, if necessary. The spring seats will also be replaced.
Notes
Vehicle description: heavy trucks.system: suspension; rear spring seat.consequences of defect: loss of vehicle control could occur without warning,possibly resulting in an accident.
DEFECT #5 - STEERING:WHEEL AND HANDLE BAR
Posted on: 1982-01-08
Description
The floorboard opening and the steering column seal bracket may not allow sufficient clearance for the shaft to turn freely in the center of the bracket/seal. The pinch bolt in the column yoke may bind or lock the column against the bracket, allowing little or no wheel return.
Consequence
Corrective Action
Dealer will enlarge the hole in the floorboard to provide clearance for the steering column u-joint pinch bolt. A new bracket and clamp will also be installed without charge to owner.
Notes
Vehicle description: truck fire chassis equipped with sgp48 steering gear.system: steering; u-joint, floorboard.consequences of defect: if the steering assembly locks in place, loss ofvehicle control, without warning, and an accident could result.