NHTSA Recall 92V069000

Filed by PACCAR Incorporated. Component: Service Brakes, Air. Reported 1992-05-13. An estimated 1,500 vehicles are affected. Recall repairs are free at any authorized dealer.

Defect

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.

What the manufacturer will do

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.

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Vehicles covered by this recall