ON CERTAIN TRUCKS EQUIPPED WITH SR-7 BENDIX BRAKE VALVES, THE CHECK VALVE INSIDE THE VALVE CAVITY MAY NOT PROPERLY SET, CAUSING INTERNAL AIR LEAKAGE. IF THE CHECK VALVE DOES NOT PROPERLY SEAT, THE RESULTING LEAKAGE CAN CAUSE A DELAY IN THE APPLICATION OF THE SPRING BRAKES TO PARK THE VEHICLE AFTER OPERATOR PULLS THE DASH VALVE BUTTON.
Consequence & remedy
Consequence: THE DELAYED PARKING BRAKE APPLICATION CAN OCCUR WITHOUT WARNING, LEADING TO UNINTENDED VEHICLE ROLLAWAY INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL INSPECT THE VALVES AND REPLACE IT FREE OF CHARGE. THE RECALL BEGAN ON AUGUST 14, 2006. OWNERS MAY CONTACT MACK TRUCKS AT 1-800-528-6586.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2
EA09009 · Air Brake System Control Valves
Opened Jun 18, 2009 · Closed Aug 13, 2010
Status: closed (inferred from source dates) · Service Brakes, Air
INVESTIGATION HAS NOT IDENTIFIED A DEFECT.COMPLAINTS HAVE ABATED.SEE CLOSING REPORT FOR FURTHER DETAILS.
PE09010 · Air Brake Control Valve
Opened Feb 13, 2009 · Closed Jun 18, 2009
Status: closed (inferred from source dates) · Service Brakes, Air:controls
ODI IS CLOSING THIS PRELIMINARY EVALUATION AND OPENING AN ENGINEERING ANALYSIS (EA09-009) TO FURTHER IDENTIFY AND EVALUATE THE VEHICLE ENVIRONMENT AND BRAKE SYSTEM FACTORS THAT MAY BE CAUSING OR CONTRIBUTING TO EXTENDED STOPPING DISTANCE PERFROMANCE IN CERTAIN VEHICLES.
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