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Kenworth Kenworth Recall 92V069: Service Brakes, Air:Drum:Chamber

NHTSA campaign 92V069, reported May 13, 1992, 1,500 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 92V069PACCAR, INCORPORATED
Component
SERVICE BRAKES, AIR:DRUM:CHAMBER
Problem
A CRACK IN THE DIE CAST ALUMINUM HOUSING OF THE BRAKE CHAMBER CAUSES A LOSS OF AIR PRESSURE IN THE CHAMBER. LOSS OF AIR PRESSURE CAUSES THE SPRING BRAKES TO BE APPLIED.
Risk
LOSS OF AIR PRESSURE IN THE HOUSING OF THE BRAKE CHAMBERAND THE SUBSEQUENT APPLICATION OF THE SPRING BRAKES DISABLES THE TRUCK WITHOUTPRIOR WARNING AND COULD CAUSE A VEHICLE ACCIDENT.
Remedy
REPAIR OR REPLACE THE SUSPECT MGM BRAKE CHAMBERS.
Notes
SYSTEM: AIR BRAKES.VEHICLE DESCRIPTION: HEAVY TRUCKS WITH MGM BRAKE CHAMBERS, PART NUMBERS3430086, 3430087, 3430096, 3430097, 3431057, AND 3431058.

Affected vehicles

Kenworth Kenworth1992