4 recalls found. |
DEFECT #1 - VEHICLE SPEED CONTROL
Posted on: 1994-03-01
Description
Fuel injection system reconfiguration to comply with engine emission standards cause higher engine vibration levels which lead to early wear and complete failure of the secondary throttle return mechanism.
Consequence
In the event the primary throttle return fails, failure of the secondary throttle return system would not provide protection against loss of throttle control.
Corrective Action
A new production secondary throttle return system configuration will be installed.
Notes
System: fuel; fuel pump.vehicle description: class 8 trucks equipped with e6 and e7 engines with robert bosch p7100 mechanically-governed fuel injection pumps.note: if your vehicle is presented to an authorized dealer on an agreed upon service date and the remedy is not provided within a reasonable time and free of charge or the remedy does not correct the defect or noncompliance, please contact the national highway traffic safety administration's auto safety hotline at 1-800-424-9393.
DEFECT #2 - 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 #3 - SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
Posted on: 1989-10-04
Description
Air piping is installed in a way that could cause front brake hoses to rub against the brake chamber.
Consequence
This could eventually result in brake hose failure. Increasing the stopping distance, which could result in an accident.
Corrective Action
Repair in a manner to prevent front brake hose from rubbing against the brake chamber.
Notes
System:front brake hose.vehicle description:fire trucks.
DEFECT #4 - STEERING:HYDRAULIC POWER ASSIST SYSTEM
Posted on: 1991-05-24
Description
Incorrect manufacture of the hydroboost cylinder allows the ball socket clamp to contact right side steering lever on an extreme left turn and cause flexing of the cylinder rod .
Consequence
This flexing can cause seal failure or cylinder failureof the hydroboost unit and result in loss of steering control and result in avehicle accident.
Corrective Action
Replace incorrectly built boost cylinders.
Notes
System: steering power assist, hydroboost assembly.vehicle description: cf aerialscope model.