Service brakes, hydraulic: foundation components: hoses, lines/piping, and fittings
- Component
- Service brakes, hydraulic: foundation components: hoses, lines/piping, and fittings
- Manufacturer
- INTERNATIONAL TRUCK AND ENGINE
- Vehicles affected
- 4,495
- Reported to NHTSA
- 1999-09-21
- Owners notified
- 1999-10-11
Defect description
VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS BUILT WITH REAR LEAF SPRING SUSPENSIONS (MODELS 4700 BUILT WITH REAR LEAF SUSPENSIONS AND MANUFACTURED FROM DECEMBER 9, THROUGH DECEMBER 16, 1998; MODELS 3400 AND 3800 BUILT WITH 14SBK REAR LEAF SPRING SUSPENSIONS AND BUILT APRIL 14 THROUGH MAY 10, 1999; AND MODELS 3400 AND 3800 BUILT WITH REAR LEAF SPRING SUSPENSIONS AND MANUFACTURED FROM MAY 10 THROUGH MAY 18, 1999). ON VEHICLES WHERE THE FRAME TO AXLE HOSE LENGTH WAS TOO LONG, A CHAFING CONDITION EXISTS ON SUSPENSION COMPONENTS, WHICH COULD RESULT IN HOSE RUPTURE. ON VEHICLES WHERE THE HOSES ARE TOO SHORT, A HOSE SEPARATION COULD OCCUR WITH SEVERE SUSPENSION ARTICULATION.
Safety risk
IF A HOSE RUPTURES, THE REAR BRAKES WILL FAIL INCREASING THE RISK OF A VEHICLE CRASH.
Manufacturer remedy
SHORT HOSES WILL BE REPLACED AND THE LONG HOSES WILL HAVE A HOSE ROUTING KIT INSTALLED TO PREVENT ANY CHAFING PROBLEMS.