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Mack MR Recall 08V144: Service Brakes, Air:Supply:Check Valve

NHTSA campaign 08V144, reported March 26, 2008, 218 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 08V144MACK TRUCKS, INC
Component
SERVICE BRAKES, AIR:SUPPLY:CHECK VALVE
Problem
MACK IS RECALLING 218 MY 2006-2007 MR TRUCKS. A CHECK VALVE WAS OMITTED FROM THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE.
Risk
AS A RESULT, AN AIR LEAK IN THE SECONDARY OR PRIMARY SYSTEM MAY RESULT IN THE PARK BRAKES INADVERTENTLY APPLYING, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL ADD A CHECK VALVE TO THE SECONDARY SUPPLY PORT OF THE SR-7 SPRING BRAKE MODULATING VALVE AND WILL ALSO REPAIR THE SR-7 VALVE BY APPLYING A CHECK VALVE REPAIR KIT AS REQUIRED FOR THE BENDIX SAFETY RECALL (PLEASE SEE 07E-037). THE RECALL BEGAN ON APRIL 15, 2008. OWNERS MAY CONTACT MACK AT 1-800-528-6586.
Notes
MACK RECALL NO. SC0337.CUSTOMERS 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.

Affected vehicles

Mack MR20062007