Mack Trucks, Inc. | NHTSA Recall #78V210000
Vehicle safety recall details from the Department of Transportation.
Description
Detailed recall information for NHTSA ID 78V210000 by Mack Trucks, Inc.. Includes 19,370 affected units, BRAKES:ELECTRICAL WIRING AND CONNECTORS, component: SERVICE BRAKES, AIR, and more from the Department of Transportation.
Defect Summary
Delays of up to about 2 seconds may exist in the brake application times to the brakes on the bogie axles in the presence of certain types of wheel speed sensor signal discontinuities or distortions that may occur as a result of sensor wire failure. This constitutes a non-compliance to federal motor vehicle safety standard no. 121, "air brake systems".
Corrective Action
Dealer will install new wheel speed sensors that incorporate improved wiring and the present bogie anti-wheel lock system will be changed to an axle-to-axle system for improved reliability.