MACK LEU 2012: SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC

General Information

NHTSA Campaign ID Number: 11V272000

Make Model Year
MACK LEU 2012
Date Owners Notified Date Received by ODI Date Added to Database
2011-08-12 2011-05-03 2011-05-06

Production Dates: 2010-10-15 - 2011-01-31

Manufacturers Involved: Mack Trucks, Inc.

Manufacturer Campaign Number: SC0352

Component: SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC

Potential Number Of Units Affected: 1524

Report Initiator: MFR MFR Report

Summary

MACK TRUCKS IS RECALLING CERTAIN MODEL YEAR 2011-2012 CHU, CXU, GU, LEU AND MRU TRUCKS MANUFACTURED FROM OCTOBER 15, 2010, THROUGH JANUARY 31, 2011, AND EQUIPPED WITH GUNITE AUTOMATIC SLACK ADJUSTERS. DUE TO AN INCOMPLETE "KNITTING" OF THE IRON AT THE TIME OF CASTING, INADEQUATE STRUCTURAL INTEGRITY OF THE SLACK ADJUSTER HOUSING CAN OCCUR, WHICH COULD CAUSE THE HOUSING TO BREAK AT THE HANDLE UNDER NORMAL OPERATING LOADS.

Consequence

SLACK ADJUSTERS WITH THIS FLOW NOTCH COULD CRACK UNDER NORMAL BRAKING CONDITIONS CAUSING LOSS OF BRAKING WHICH COULD RESULT IN A VEHICLE CRASH.

Remedy

MACK TRUCKS WILL NOTIFY OWNERS AND DEALERS WILL REPLACE THE SUBJECT SLACK ADJUSTERS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON AUGUST 24, 2011. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.

Notes

OWNERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 'TTY 1-800-424-9153', OR GO TO HTTP://WWW.SAFERCAR.GOV .