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International Harvester 3800 Recall 93V092: Suspension:Rear:Springs:Air Suspension System

NHTSA campaign 93V092, reported May 21, 1993, 193 vehicles potentially affected.

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The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 93V092INTERNATIONAL TRUCK AND ENGINE
Component
SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Problem
THE PRESSURE RELIEF VALVE WAS OMITTED IN THE AIR TANK. THE AIR TANK IS THE RESERVOIR FOR THE AIR SUSPENSION AND IS NOT BRAKE RELATED. WITHOUT THE PRESSURE RELIEF VALVE, THERE IS NO BACK-UP SYSTEM TO LIMIT AIR PRESSURE IN THE AIR SUSPENSION SYSTEM.
Risk
LACK OF A BACK-UP SYSTEM TO LIMIT AIR PRESSURE BUILD UPCAN CAUSE EXCESSIVE PRESSURE IN THE AIR TANK AND CAN CAUSE THE TANK TO RUPTURE.THIS CAN RESULT IN PERSONAL INJURY TO ANYONE IN THE VICINITY.
Remedy
INSTALL A PRESSURE RELIEF VALVE IN THE AIR TANK.
Notes
SYSTEM: SUSPENSION.VEHICLE DESCRIPTION: SCHOOL BUSES: MODELS 4700 AND 4900; HEAVY TRUCKS: MODELS3600, 3700, 3800, AND 3900FG; INCOMPLETE CHASSIS: MODEL 1652SC.

Affected vehicles

International 1652SC199119921993
International Harvester 3600199119921993
International Harvester 3700199119921993
International Harvester 3800199119921993
International Harvester 3900FC199119921993
International Harvester 4700199119921993
International Harvester 4900199119921993