6 recalls found. |
DEFECT #1 - SUSPENSION:FRONT:SPRINGS:COIL SPRINGS
Posted on: 2001-10-01
Description
Vehicle description: class a heavy duty trucks with 18,000 lb. Front axles may have front springs installed that are rated for the 14,600 lb. Front axle.
Consequence
Front spring failure could result in loss of vehicle control.
Corrective Action
Dealers will replace both springs. Owner notification began december 26, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011.
Notes
Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
DEFECT #2 - STEERING:HYDRAULIC POWER ASSIST:PUMP
Posted on: 2002-01-02
Description
Vehicle description: trucks equipped with e-tech engines. A condition exists on the auxiliary drive shaft of the e-tech engine that causes the loss of power steering on vehicles where the power steering pump is mounted off the front of the engine.
Consequence
This could result in the loss of power steering.
Corrective Action
Dealers will inspect the vehicles and replace the nut that holds the gear to the auxiliary drive shaft. Owner notification began march 22, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011.
Notes
Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
DEFECT #3 - SUSPENSION:REAR
Posted on: 2002-03-26
Description
On certain heavy duty trucks equipped with dana spicer tandem drive axle models ds463, an undersized attachment weld may fracture without warning.
Consequence
The loss of this attachment to the vehicle chassis can adversely affect vehicle handling or driver control.
Corrective Action
The dealers will remove the suspect bracket, inspect the axle housing, and reweld the bracket to the axle housing. Owner notification began april 22, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 610-709-3337.
Notes
Mack truck recall no. Sco273. Consumers can also contact the national highway traffic safety administration's auto safety hotline at 1-888-327-4236.
DEFECT #4 - SERVICE BRAKES, AIR:CONTROLS
Posted on: 2001-08-01
Description
Vehicle description: heavy duty trucks equipped with certain meritor-wabco brake system two and four port relay valves. The valve may stick open when a high-pressure application is released.
Consequence
When the valve sticks open, it can result in a total loss of air from either the service or the park brake system. The driver may lose braking ability under a service application, possibly resulting in a vehicle crash.
Corrective Action
Dealers will replace these valves. Owner notification began november 16, 2001. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1-610-709-3011 or meritor wabco at 800-535-5560.
Notes
Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
DEFECT #5 - SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Posted on: 2002-11-25
Description
On certain trucks equipped with meritor wabco pneumatic anitlock brake system (abs) valve packages, the assembly bolts on these valve packages were not tightened correctly.
Consequence
Bolts torqued below specification will not reliably prevent air leakage at the affected abs valve package interface joints once the component begins normal vehicle operation. If air leaks develop at any of the abs valve package interface joints, brake system pressure reductions could occur during braking or normal operation with units equipped with the traction control option, potentially extending stopping distances, possibly resulting in a vehicle crash.
Corrective Action
Dealers will tighten the fasteners to the proper specification. Owner notification began june 13, 2002. Owners who take their vehicles to an authorized dealer on an agreed upon service date and do not receive the free remedy within a reasonable time should contact mack at 1610-709-3337..
Notes
Mack truck recall no. Sco274. Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).
DEFECT #6 - SERVICE BRAKES, AIR:DRUM
Posted on: 2004-06-08
Description
On certain class 8 chassis built with hendrickson lift axles which contained webb brake drums, the brake drums could experience premature crack of the braking surface resulting in reduction or complete loss of braking on that wheel end or loss of brake drum pieces.
Consequence
Loss of braking ability could result in a vehicle crash, possibly causing injuries or death.
Corrective Action
Webb wheel is conducting the owner notification and remedy for this campaign. Webb will notify customers, inspect the brake drums and replace any drums that fail inspection. Owners should contact webb at 1-800-633-3256 or mack at 1-610-709-3337.
Notes
Customers can contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).