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.
NHTSA's own wording · initiated by MFR
Vehicles covered
| Model | Model years |
|---|---|
| International 1652SC | 1991, 1992, 1993 |
| International Harvester 3600 | 1991, 1992, 1993 |
| International Harvester 3700 | 1991, 1992, 1993 |
| International Harvester 3800 | 1991, 1992, 1993 |
| International Harvester 3900FC | 1991, 1992, 1993 |
| International Harvester 4700 | 1991, 1992, 1993 |
| International Harvester 4900 | 1991, 1992, 1993 |
Components: SUSPENSION:REAR:SPRINGS:AIR SUSPENSION SYSTEM
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| International 1652SC | 1991 | 0 | 1 |
| International 1652SC | 1992 | 0 | 1 |
| International 1652SC | 1993 | 0 | 1 |
| International Harvester 3600 | 1991 | 0 | 4 |
| International Harvester 3600 | 1992 | 0 | 8 |
| International Harvester 3600 | 1993 | 0 | 6 |
| International Harvester 3700 | 1991 | 0 | 5 |
| International Harvester 3700 | 1992 | 0 | 4 |
| International Harvester 3700 | 1993 | 0 | 2 |
| International Harvester 3800 | 1991 | 1 | 5 |
| International Harvester 3800 | 1992 | 0 | 5 |
| International Harvester 3800 | 1993 | 1 | 4 |
| International Harvester 3900FC | 1991 | 0 | 5 |
| International Harvester 3900FC | 1992 | 0 | 6 |
| International Harvester 3900FC | 1993 | 0 | 2 |
| International Harvester 4700 | 1991 | 0 | 1 |
| International Harvester 4700 | 1992 | 0 | 1 |
| International Harvester 4700 | 1993 | 1 | 1 |
| International Harvester 4900 | 1991 | 1 | 2 |
| International Harvester 4900 | 1992 | 0 | 2 |
| International Harvester 4900 | 1993 | 1 | 2 |
Other suspension recalls in 1993
15 of the 223 recall campaigns reported to NHTSA in 1993 concerned the suspension; INTERNATIONAL TRUCK AND ENGINE filed 97 campaigns in all.
| 93V173000 22 Oct 1993 | CHRYSLER CORPORATION |
| 93V157000 24 Sept 1993 | GENERAL MOTORS CORP. |
| 93V123000 21 Jul 1993 | HOLIDAY RAMBLER CORP. |
| 93V118000 14 Jul 1993 | VOLKSWAGEN OF AMERICA,INC |
| 93V099000 7 Jun 1993 | COBRA INDUSTRIES, INC. |
| 93V073000 27 Apr 1993 | FORD MOTOR COMPANY |
| 93V075000 27 Apr 1993 | MIDWEST INDUSTRIES, INC. |
| 93V049000 5 Apr 1993 | STEWART & STEVENSON SERV. |
NHTSA recalls (public domain) · all recalls of 1993