SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
May 21, 1993
193 units potentially affected
The defect: 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.
The 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.
The remedy: INSTALL A PRESSURE RELIEF VALVE IN THE AIR TANK.
INTERNATIONAL TRUCK AND ENGINEView on NHTSA.gov