Defect summary
THE BRACKETS USED TO RESTRAIN THE "REFERENCE-ZERO" ARM OF THE DRIVE AXLE SLACK ADJUSTERS MAY FLEX EXCESSIVELY, AND PREVENT SELF ADJUSTMENT OF THE SLACK ADJUSTERS. THIS COULD DEGRADE BRAKE EFFICIENCY AS THE BRAKE SHOES WEAR.
Consequence
DECREASED BRAKE EFFICIENCY COULD CAUSE INCREASED STOPPINGDISTANCES, WHICH COULD RESULT IN A VEHICLE ACCIDENT.
Remedy
A RETROFIT KIT IS TO BE INSTALLED TO CORRECT THE PROBLEM WITH THE ATTACHMENT BRACKETS.
Notes
SYSTEM: BRAKES.VEHICLE DESCRIPTION: BUSES FITTED WITH HALDEX AUTOMATIC SLACK ADJUSTERS.WARNING: ALL AFFECTED COACHES MUST BE INSPECTED IMMEDIATELY AND ADJUSTED IFNECESSARY. INSPECTION AND, IF NECESSARY, ADJUSTMENT MUST BE PERFORMED EVERY6000 MILES UNTIL THE RETROFIT KIT IS INSTALLED.
Source: NHTSA ODI recalls file, campaign 93V011000. Text as published by NHTSA.