Recall 11V249000

SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC

Report Date
20110420
Component
SERVICE BRAKES, AIR:SLACK ADJUSTERS:AUTOMATIC
Affected Vehicles
5 models

Defect Description

DTNA IS RECALLING CERTAIN MODEL YEAR 2011 FREIGHTLINER CASCADIA, COLUMBIA GLIDER KIT, CORONADO, M2, AND WESTERN STAR4900 HEAVY TRUCKS MANUFACTURED FROM OCTOBER 16, 2010, THROUGH MARCH 9, 2011, EQUIPPED WITH GUNITE AUTOMATIC SLACK ADJUSTERS MANUFACTURED FROM OCTOBER 15, 2010, THROUGH JANUARY 31, 2011. 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.

Safety Consequence

IF THE SLACK ADJUSTER HOUSING WERE TO BREAK, THE WHEEL BRAKE TO WHICH THE SLACK ADJUSTER IS ATTACHED WOULD NO LONGER FUNCTION, CAUSING THE VEHICLE TO HAVE REDUCED BRAKING CAPACITY AND, IF MOUNTED ON THE STEER AXLE, THE VEHICLE COULD PULL TO ONE SIDE, POSSIBLY RESULTING IN A CRASH.

Remedy

DTNA WILL NOTIFY OWNERS AND DEALERS WILL REPLACE ANY AFFECTED SLACK ADJUSTERS FREE OF CHARGE. THE SAFETY RECALL BEGAN ON JULY 5, 2011. OWNERS MAY CONTACT DTNA AT 1-800-547-0712.

Affected Vehicles

Year Make Model
2011 FREIGHTLINER CASCADIA
2011 FREIGHTLINER COLUMBIA GLIDER
2011 FREIGHTLINER CORONADO
2011 FREIGHTLINER M2
2011 WESTERN STAR 4900

Check your vehicle: Visit NHTSA.gov and enter your VIN to see if your specific vehicle is affected.