U SERIES: SERVICE BRAKES, AIR:CONTROLS:HAND CONTROL

Go Back To 1979 MACK TRUCKS, INC Directory

NHTSA Campaign Number:	81V088000
Vehicle/Equipment Make:	MACK
Vehicle/Equipment Model:	U SERIES
Model Year:	1979
Manufacturer Campaign Number:
Manufacturer Component Description:	SERVICE BRAKES, AIR:CONTROLS:HAND CONTROL
Manufacturers Involved in Recall:	MACK TRUCKS, INCORPORATED
Manufacturered:	19790701 - 19800101
Type of Report:	V (Vehicle, Equipment or Tire)
Potential Number of Units Affected:	10000
Date Owner Notified By Manufacturer:	19811221
Recall Initiated By:	19811221
Manufacturer Responsible For Recall:	MACK TRUCKS, INC
Report Received Date:	19810708
Record Creation Date:	19810714
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Defect Summary:	THE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE.
Consequence Summary:
Corrective Summary:	THE HOLES WILL BE RETOOLED TO PROVIDE CORRECT ALIGNMENT AND PLASTIC KNOBS WILL BE REPLACED BY KNOBS OF STRONGER MATERIAL HAVING METAL REINFORCEMENTS.

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