MACK MRU 2009: SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE

Make : MACK Model : MRU Year : 2009
Build Dates : 2008-08-20 - 2008-11-26
NHTSA CAMPAIGN ID Number : 09V194000
Date Owner's Notified: 2009-07-13 Date Received by ODI: 2009-06-01 Date Added to Database: 2009-06-01
Manufacturers Involved: Mack Trucks, Inc.
Manufacturer's Responsible for the Recall:
Manufacturer Campaign Number: SC0338
Component: SERVICE BRAKES, AIR:SUPPLY:QUICK RELEASE VALVE
Potential Number Of Units Affected : 338
Summary:
      MACK IS RECALLING 338 MODEL YEAR 2009 MRU AND LEU HEAVY DUTY TRUCKS MANUFACTURED FROM AUGUST 20 THROUGH NOVEMBER 26, 2008 EQUIPPED WITH CERTAIN HALDEX QUICK RELEASE VALVES "QRV". THE RUBBER DIAPHRAGM INSIDE THE QRV MAY EXPERIENCE DELAMINATION RESULTING IN SIGNIFICANT LEVELS OF AIR PRESSURE LEAKAGE PAST AND/OR THROUGH THE DIAPHRAGM, OR THE DEVELOPMENT OF A BUBBLE IN THE DIAPHRAGM WHICH MAY TRAP AIR PRESSURE IN THE VALVE AND NOT ALLOW THE SERVICE BRAKES TO RELEASE.
Consequence:
      MALFUNCTION OF THE AIR BRAKE SYSTEM COULD RESULT IN A VEHICLE CRASH.
Remedy:
      MACK WILL NOTIFY OWNERS AND REPAIR THE AFFECTED VEHICLE FREE OF CHARGE. THE SAFETY RECALL IS EXPECTED TO BEGIN ON OR ABOUT JULY 13, 2009. OWNERS CAN CONTACT MACK TOLL-FREE AT 1-800-866-1177.
Report Initiator: ODI V Report
Regulation Part Number: Federal Motor Vehicle Safety Standard Number:
Notes:
      MACK'S RECALL CAMPAIGN NO. SC0338.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 .