ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR
1998 Cummins Isb 6 Cylinder Recalls
Safety recall campaigns filed with NHTSA that cover this model year
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govRecall campaigns
2 campaigns cover this model year — what the defect is, what it could cause, and what the remedy is
ENGINE AND ENGINE COOLING:ENGINE
What a recall is
- Safety recall
- A safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
- Safety investigation
- NHTSA opens an investigation to examine whether a safety defect may exist. An open investigation is not a determination that a defect exists, and many investigations close without a recall. Investigations can, however, lead to one.
- Manufacturer communication
- Manufacturers file copies of the bulletins they send to dealers with NHTSA. These often describe diagnostic or repair procedures for a known condition. They are not recalls: repairs described in a bulletin are usually only free if the vehicle is still under warranty or the manufacturer has extended coverage.
Safety investigations
NHTSA inquiries naming this vehicle. An investigation is not a finding of a defect, and it is not a recall.
ENGINE STALLING
ODI OPENED THE INVESTIGATION TO EXAMINE STALLING ALLEGATIONS ON 1998-2002 CUMMINS 5.9 LITER DIESEL ENGINES.DURING THE INVESTIGATION ODI FOUND THAT THE ENGINE IS USED IN SCHOOL AND TRANSIT BUSES, EMERGENCY VEHICLES, MEDIUM DUTY TRUCKS, LIGHT TRUCKS, RV'S, AND CARGO VANS.ODI CONTACTED CUMMINS AND CHRYSLER (LARGEST VEHICLE MANUFACTURER), VISITED SCHOOL BUS FLEETS, CONDUCTED INTERVIEWS AND CONDUCTED TESTING OF LIGHT VEHICLES TO QUANTIFY THE FAILURE MODE. ODI OBSERVED THAT THE LIFT PUMP, A PART OF THE FUEL SYSTEM, FAILS, RESULTING IN REDUCED FLOW TO THE INJECTOR PUMP.WHEN THIS PROBLEM OCCURS, THE ENGINE EXPERIENCES SEVERE DRIVABILITY ISSUES, SUCH AS LOW SPEED, LOW POWER, SMOKING AND POOR ACCELERATION.HEAVIER VEHICLES SUCH AS SCHOOL BUSES WITH A GVWR OF 33,000 POUNDS MAY EXPERIENCE A STALL.ODI VERIFIED VIA INTERVIEWS THAT SOME SCHOOL BUSES ACTUALLY STALLED RESULTING IN THE TRANSFER OF STUDENTS ON THE ROADSIDE.ODI'S TESTING SHOWED THAT LIGHT VEHICLES WOULD SUFFER THE SEVERE DRIVABILITY ISSUES AND THEN GRADUALLY RECOVER.A LIGHT VEHICLE WAS DRIVEN AT LOW AND HIGH SPEEDS FOR AN HOUR WITHOUT A TRUE ENGINE STALL OCCURRING.ODI'S TECHNICAL REPORT, WHICH CONTAINS FULL DETAILS, AND A COPY OF THE CUMMINS RECALL ARE ATTACHED.
ENGINE STALLING
THE ENGINEERING ANALYSIS WILL FOCUS ON THOSE ENGINES PRODUCED BY CUMMINS FOR SALE IN THE AFTERMARKET AS REPLACEMENTS FOR ENGINES ORIGINALLY INSTALLED IN NEW VEHICLES.THIS IS ONLY A VERY SMALL PORTION OF THE ENGINES PRODUCED BY CUMMINS THAT ARE AFFECTED BY THE ALLEGED DEFECT.FOR THIS SMALL POPULATION, THE WARRANTY RATE IS 3.24%.HOWEVER, FOR THE TOTAL POPULATION OF THESE ENGINES PRODUCED FOR USE IN MOTOR VEHICLES, THE WARRANTY RATE IS 4.55%.ALSO, A PRELIMINARY ANALYSIS OF THE WARRANTY DATA PROVIDED BY CUMMINS SHOWS THAT FOR THE OLDEST ENGINES IN THE SUBJECT POPULATION (ENGINES PRODUCED IN 1998 AND 1999), THE AVERAGE AGE OF THE ENGINE AT THE TIME OF THE WARRANTY CLAIM IS ABOUT 2.7 YEARS, AND THE AVERAGE WARRANTY RATE IS 5.21%.AS ODI CONTINUES ITS EXAMINATION OF THE INFORMATION RECEIVED FROM CUMMINS,SEPARATE INVESTIGATIONS WILL BE INITIATED, AS APPROPRIATE,ADDRESSING THE VEHICLES PRODUCED BY THOSE VEHICLE MANUFACTURERS TO WHOM CUMMINS SOLD THE SUBJECT ENGINES.ODI WAS AWARE OF A CUMMINS SERVICE CAMPAIGN (#0329) WHEN THIS INVESTIGATION WAS BEGUN.ODI HAS BECOME AWARE OF TWO ADDITIONAL SERVICE CAMPAIGNS, ONE FOR FEDERAL EXPRESS (#0210) AND ONE FOR SHRED-IT (#0411) .THESE SERVICE CAMPAIGNS AUTHORIZE THE INSTALLATION OF THE LATESTFUEL INJECTION AND TRANSFER PUMPS (PRODUCT IMPROVEMENTS) ON VEHICLES THAT HAVEN'T HAD THE PUMPS INSTALLED PREVIOUSLY ON A FIX-AS-FAIL BASIS.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — recall campaigns and safety investigations