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Mack Mack Recall 87V010: Suspension:Rear:Springs:Air Suspension System

NHTSA campaign 87V010, reported February 9, 1987, 5,235 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 87V010MACK TRUCKS, INCORPORATED
Component
SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Problem
CROSSMEMBER CAN BE OVERSTRESSED AND CAN FAIL, ALLOWING THE BROKEN CROSSMEMBER TO PROTUDE ABOVE THE TOP OF THE FRAME AND INTERFERE WITH CHASSIS COMPONENTS.
Risk
TRAILER HANDLING COULD BE AFFECTED DURING TURNINGMANEUVERS WHICH COULD RESULT IN LOSS OF TRUCK CONTROL AND A CRASH. ALSO, ACOMPLETELY SEPARATED CROSSMEMBER COULD AFFECT HEIGHT OF SUSPENSION AIR SPRINGSAND THE RESULTING LEAN COULD RESULT IN LOSS OF CONTROL.
Remedy
INSTALLATION OF A BOLTED DOUBLE PLATE TYPE CROSSMEMBER TO REPLACE THE STANDARD CHANNEL TYPE CROSSMEMBER.
Notes
SYSTEM: REAR CROSSMEMBER WITH NEWAY AIR SUSPENSION.VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS:DM,F,FM,MC,MCE,MH,MR,R,RD,RS,RL,RW,RWL,RWS AND U MODELS EQUIPPED WITH NEWAY AIRRIDE DRIVE AXLE SUSPENSION.

Affected vehicles

Mack Mack19801981198219831984198519861987