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Mack CHN Recall 05V112: Service Brakes, Air:Disc:Chamber

NHTSA campaign 05V112, reported March 24, 2005, 291 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 05V112MACK TRUCKS, INC
Component
SERVICE BRAKES, AIR:DISC:CHAMBER
Problem
ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS EQUIPPED WITH AIR SUSPENSION PROPRIETARY AXLES AND ADJUSTABLE LENGH TORQUE RODS, AN INTERFERENCE BETWEEN THE ADJUSTABLE TORQUE ROD AND THE BRAKE CHAMBER ON THE LEFT SIDE OF THE CHASSIS MAY EXIST. THE SPRING BRAKE CHAMBER CLAMP RING COULD POSSIBLY BE DISTORTED OVER TIME RESULTING IN LOSS OF AIR, WHICH COULD LEAD TO THE SPRING BRAKE AT THE CHAMBER BEING INADVERTENTLY APPLIED.
Risk
BRAKING CAPABILITY WOULD BE DIMINISHED, INCREASING THE RISK OF A CRASH.
Remedy
DEALERS WILL REPAIR AND REPLACE THE ADJUSTABLE TORQUE ROD, WITH A FIXED LENGTH TORQUE ROD, INSPECT AND REPAIR THE BRAKE CHAMBER FREE OF CHARGE. THE RECALL BEGAN ON MAY 3, 2005. OWNERS MAY CONTACT MACK TRUCKS AT 610-709-2131.
Notes
MACK TRUCKS RECALL NO. SC0294.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 CHN2004
Mack CXN2004