Defect Investigation of Overheating Front And Rear Brakes
Investigation of Overheating Front And Rear Brakes
| Subject: | Overheating front and rear brakes |
| Components covered: |
- Service brakes, hydraulic
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| Investigations Summary: |
This investigation was opened on Dec. 3, 2002.
It was closed on Feb. 10, 2004.
Note: this investigation has resulted in
a vehicle safety recall.
This investigation focused on International medium duty trucksand school bus chassis weighing up to 33,000 pounds, equipped with hydraulic brakes and built with the bosch zero offset pin slide (zops)brake system calipers. International used the zops calipers from April 1997 through June 2002. Odi was concerned about reports of the brake calipers sticking in the applied position, resulting in excessive heat. As the investigation progressed, odi became aware of wheel end fires, some of which occurred on school buses. During the investigation odi obtained warranty data which was sorted and analyzed by vrtc test engineers and odi to gain an understanding of the magnitude of the problem. After a thorough warranty data analysis, related testing and document reviews, odi met with International, shared the data analysis and shortly afterwards, International agreed to a safety recall. Further details are included on pages 2 - 4.
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| Vehicles Affected by this investigation: |
- 1997 International 1652
- 1998 International 1652
- 1999 International 1652
- 2000 International 1652
- 2001 International 1652
- 2002 International 1652
- 1997 International 3200
- 1998 International 3200
- 1999 International 3200
- 2000 International 3200
- 2001 International 3200
- 2002 International 3200
- 1997 International 3600
- 1998 International 3600
- 2002 International 3600
- 2002 International 3800
- 1997 International 4200
- 1998 International 4200
- 1999 International 4200
- 2000 International 4200
- 2001 International 4200
- 2002 International 4200
- 1997 International 4300
- 1998 International 4300
- 1999 International 4300
- 2002 International 4300
- 1997 International 4400
- 1998 International 4400
- 1999 International 4400
- 2002 International 4400
- 1997 International 4700
- 1998 International 4700
- 1999 International 4700
- 2001 International 4700
- 2002 International 4700
- 1997 International 4700 Lpx
- 1998 International 4700 Lpx
- 1999 International 4700 Lpx
- 2001 International 4700 Lpx
- 2002 International 4700 Lpx
- 1999 International Harvester 3600
- 2000 International Harvester 3600
- 2001 International Harvester 3600
- 1997 International Harvester 3800
- 1998 International Harvester 3800
- 1999 International Harvester 3800
- 2000 International Harvester 3800
- 2001 International Harvester 3800
- 2000 International Harvester 4300
- 2001 International Harvester 4300
- 2000 International Harvester 4400
- 2001 International Harvester 4400
- 2000 International Harvester 4700 Lp
- 2000 International Harvester 4700 Lpx
- 1998 International Harvester International
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Other investigations related to International vehicles
Defect investigation of brake s-cam tube bracket failure
Defect investigation of high pressure oil line rupture
Defect investigation of engine compartment fires
Defect investigation of front leaf spring breakage
Defect investigation of engine compartment fires