Recalls for 2000 Mack Rb

DEFECT #1 - 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 #2 - 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 #3 - VEHICLE SPEED CONTROL:ACCELERATOR PEDAL

Posted on: 2000-11-01
Description
Vehicle description: class 8 trucks equipped with felsted electronic accelerator pedals.  The return springs can break on the accelerator pedals that are equipped with stainless steel or electroplated wire return springs.

Consequence
This condition could cause the pedal to go to full throttle if both return springs break, increasing the risk of a crash.

Corrective Action
Replacement accelerator pedals equipped with return springs manufactured of music wire with one additional coil on each spring and with an organic coating, eliminating electroplating will be installed.

Notes
Owner notification began december 13, 2000.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.  Also contact the national highway traffic safety administration's auto safety hotline at 1-888-dash-2-dot (1-888-327-4236).