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1998 Buick Lesabre

Owner reports · Recalls · Investigations

More warning signs than most Lesabre years

Owner complaints for the 1998 Buick Lesabre are substantially higher than the model-year median of 24.

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When problems were reported

Mileage at the reported incident

173 reports with mileage · 227 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 196 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 70 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 50 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

15 crash reports42 fire reports7 injury reports

Engine And Engine Cooling complaints

196 reports
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23,000 miles · Jan 3, 2005
Engine And Engine Cooling

WHILE DRIVING ENGINE LIGHT ILLUMINATED ON THE DASHBOARD CONSTANTLY. THEN, ENGINE COMPLETELY FAILED. THE GASKETS HAD BEEN CHANGED SEVERAL TIMES. ANTI-FREEZE AND OIL LEAKED. CONSUMER FOUND THAT IT WAS THE INTAKE MANIFOLD. *AK

NHTSA ODI #10106638

77,827 miles · Dec 21, 2004
Engine And Engine CoolingFuel System, Gasoline

VEHICLE RETURNED FOR INSPECTION WITH REGARD TO 04V090 12/13/04 COMPLAINTS POOR PERFORMANCE, FUEL ECONOMY, HARD STARTING, AND USE OF DEXCOOL ANTI-FREEZE SINCE RECALL PERFORMED. DECOOL ANTI-FREEZE ENTERING THE INTAKE MANIFOLD OF ENGINE, AND ENGINE OILING SYSTEM FROM FAILURE OR RUPTURE OF UPPER INTAKE PLENUM NEAR EGR PASSAGE. ANTI-…

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VEHICLE RETURNED FOR INSPECTION WITH REGARD TO 04V090 12/13/04 COMPLAINTS POOR PERFORMANCE, FUEL ECONOMY, HARD STARTING, AND USE OF DEXCOOL ANTI-FREEZE SINCE RECALL PERFORMED. DECOOL ANTI-FREEZE ENTERING THE INTAKE MANIFOLD OF ENGINE, AND ENGINE OILING SYSTEM FROM FAILURE OR RUPTURE OF UPPER INTAKE PLENUM NEAR EGR PASSAGE. ANTI-FREEZE HAS FILLED ENGINE LIFTERS CAUSING NOISE/FAILURE, FILLING COMBUSTION CHAMBER CAUSING HYDRO-LOCKING OF ENGINE, COULD CAUSE CATASTROPHIC FAILURE OF ENGINE RESULTING IN POSSIBLE FIRE OR ACCIDENT. DEALER REFUSED TO REPAIR UNDER 04V090 MANIFOLD OVER PRESSURE CONDITION STATED REPLACEMENT OF UPPER & LOWER INTAKE, LIFTER, PLUGS, OIL, ANTI-FREEZE AT A COST OF $1,150 ON VEHICLE THAT HAD 77,827 WHEN THE RECALL WAS DONE, AND NOW HAS 80,407 MI. WHICH IS LESS THEN 3,000. THIS COULD VERY WELL HAVE HYDRO-LOCKED THE ENGINE AT FREEWAY SPEED,OR CAUSED CATASTROPHIC FAILURE RESULTING IN SEVERE DAMAGE, INJURY, AND POSSIBLE FIRE FROM ENGINE OIL & FUEL HITTING THE HOT CATALYTIC CONVERTER!*AK

NHTSA ODI #10104268

57,000 miles · Dec 9, 2004
Engine And Engine Cooling

THE VEHICLE FAILED TO START AFTER RE-FUELING. THE ENGINE CRANKED BUT WOULDN'T TURN OVER. THE DEALERSHIP WITHOUT INSPECTING THE VEHICLE IDENTIFIED THE INTAKE PLENUM ( MANIFOLD) AS THE PROBLEM. THERE WAS A SMALL HOLE WHICH CAUSED THE OIL TO MIX IN WITH THE WATER/ ANTI FREEZE. THIS PART HAS BEEN UPGRADED IN THE 2002 AND LATER MODEL…

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THE VEHICLE FAILED TO START AFTER RE-FUELING. THE ENGINE CRANKED BUT WOULDN'T TURN OVER. THE DEALERSHIP WITHOUT INSPECTING THE VEHICLE IDENTIFIED THE INTAKE PLENUM ( MANIFOLD) AS THE PROBLEM. THERE WAS A SMALL HOLE WHICH CAUSED THE OIL TO MIX IN WITH THE WATER/ ANTI FREEZE. THIS PART HAS BEEN UPGRADED IN THE 2002 AND LATER MODELS. THE PLENUM PART #FH10095 MANIFOLD WAS REPLACED. *JB....*AK

NHTSA ODI #10103446

Mileage unknown · Nov 17, 2004
Engine And Engine Cooling

WHILE PLACING THE VEHICLE IN REVERSE A LOUD POPPING NOISE WAS HEARD COMING FROM THE REAR. THEN, VEHICLE STALLED. CONSUMER WAS UNABLE TO RESTART VEHICLE, AND HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION. MECHANIC DETERMINED THAT THE INTAKE EXHAUST MANIFOLD SYSTEM, AND A HEAD GASKET NEEDED TO BE REPLACED. *AK. ALSO, EX…

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WHILE PLACING THE VEHICLE IN REVERSE A LOUD POPPING NOISE WAS HEARD COMING FROM THE REAR. THEN, VEHICLE STALLED. CONSUMER WAS UNABLE TO RESTART VEHICLE, AND HAD THE VEHICLE TOWED TO THE DEALER FOR INSPECTION. MECHANIC DETERMINED THAT THE INTAKE EXHAUST MANIFOLD SYSTEM, AND A HEAD GASKET NEEDED TO BE REPLACED. *AK. ALSO, EXHAUST MANIFOLD COVER BLEW OFF.*AK

NHTSA ODI #10101240

76,569 miles · Nov 9, 2004
Engine And Engine Cooling

WHILE DRIVING 65 MPH CONSUMER NOTICED FLUID LEAKING FROM UNDERNEATH THE VEHICLE. IT WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE WATER PUMP NEEDED TO BE REPLACED, AND REPLACED IT. HOWEVER, THE PROBLEM RECURRED, AND THE VEHICLE WAS TAKEN BACK TO THE DEALER. MECHANIC DETERMINED THAT THE ENGINE NEE…

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WHILE DRIVING 65 MPH CONSUMER NOTICED FLUID LEAKING FROM UNDERNEATH THE VEHICLE. IT WAS TAKEN TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT THE WATER PUMP NEEDED TO BE REPLACED, AND REPLACED IT. HOWEVER, THE PROBLEM RECURRED, AND THE VEHICLE WAS TAKEN BACK TO THE DEALER. MECHANIC DETERMINED THAT THE ENGINE NEEDED TO BE REPLACED.*AK

NHTSA ODI #10099689

49,532 miles · Nov 5, 2004
Engine And Engine Cooling

COMPLAINT AGAINST GENERAL MOTORS CORP CONCERNING AN UNSATISFACTORY TRANSACTION . *BF WHILE DRIVING THE SES LIGHT ILLUMINATED. A FEW DAYS LATER THE VEHICLE STALLED WHILE BEING DRIVEN AND HAD TO BE TOWED TO THE DEALER. THE DEALER DETERMINED THAT THE COOLANT PASSAGE IN THE UPPER INTAKE MANIFOLD WAS LEAKING INTO THE LOWER INTAK…

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COMPLAINT AGAINST GENERAL MOTORS CORP CONCERNING AN UNSATISFACTORY TRANSACTION . *BF WHILE DRIVING THE SES LIGHT ILLUMINATED. A FEW DAYS LATER THE VEHICLE STALLED WHILE BEING DRIVEN AND HAD TO BE TOWED TO THE DEALER. THE DEALER DETERMINED THAT THE COOLANT PASSAGE IN THE UPPER INTAKE MANIFOLD WAS LEAKING INTO THE LOWER INTAKE. THE DEALER REPLACED THE UPPER AND LOWER INTAKE MANIFOLDS. SHORTLY AFTER THE REPAIRS WERE MADE THE CONSUMER RECEIVED A RECALL NOTICE. THE CONSUMER SUBMITTED ALL PAPERWORK FOR REIMBURSEMENT BUT HASN'T RECEIVED IT YET. *NM

NHTSA ODI #10099682

Mileage unknown · Nov 4, 2004
Engine And Engine CoolingService Brakes, Hydraulic

CONSUMER NOTICED THAT ANTIFREEZE WAS LEAKING FROM UNDERNEATH THE VEHICLE. THE BRAKES PEDAL WENT TO THE FLOOR WHEN APPLIED. CONSUMER DROVE VEHICLE TO THE DEALER FOR INSPECTION, AND MECHANIC DETERMINED THAT OIL PAN GASKET AND FRONT BRAKE PADS NEEDED TO BE REPLACED. *AK

NHTSA ODI #10099447

Mileage unknown · Nov 3, 2004
Engine And Engine CoolingVisibility

WHILE DRIVING,IN INCLEMENT WEATHER WINDSHIELD WIPERS COME ON AND OFF INTERMITTENTLY. THE CONSUMER WAS ABLE TO DRIVE THE VEHICLE TO THE DEALER FOR INSPECTION, AND THE MECHANIC DETERMINED THAT THE WINDSHIELD WIPER MOTOR NEEDED REPLACEMENT. THIS VEHICLE WAS NOT ON A RECALL AND THE WARRANTY EXPIRED. *AK THE PLASTIC INTAKE MANI…

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WHILE DRIVING,IN INCLEMENT WEATHER WINDSHIELD WIPERS COME ON AND OFF INTERMITTENTLY. THE CONSUMER WAS ABLE TO DRIVE THE VEHICLE TO THE DEALER FOR INSPECTION, AND THE MECHANIC DETERMINED THAT THE WINDSHIELD WIPER MOTOR NEEDED REPLACEMENT. THIS VEHICLE WAS NOT ON A RECALL AND THE WARRANTY EXPIRED. *AK THE PLASTIC INTAKE MANIFOLD LEAKED WATER WITHOUT UNKNOWINGLY AND WOULD BLOW OUT AND INGEST ALL OF THE WATER FROM THE RADIATOR AND ALSO THE OVERFLOW INTO THE MOTOR. *SC

NHTSA ODI #10095463

77,522 miles · Nov 3, 2004
Engine And Engine Cooling

ON JANUARY 2004 AN INDEPENDENT REPAIR SHOP REPLACED THE INTAKE MANIFOLD AT CONSUMER'S EXPENSE OF $1, 1000, FIVE MONTHS LATER, THE CONSUMER RECEIVED NHTSA RECALL #04V090000 WHICH STATED THAT VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL …

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ON JANUARY 2004 AN INDEPENDENT REPAIR SHOP REPLACED THE INTAKE MANIFOLD AT CONSUMER'S EXPENSE OF $1, 1000, FIVE MONTHS LATER, THE CONSUMER RECEIVED NHTSA RECALL #04V090000 WHICH STATED THAT VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. THE MANUFACTURER INDICATED TO THE CONSUMER THE RECALL WAS THE FUEL PRESSURE NO THE INTAKE MANIFOLD. HOWEVER, THE MECHANIC DETERMINED THAT A DEFECTIVE FUEL PRESSURE BROKE THE INTAKE MANIFOLD. *AK THE WAS ATTEMPTING TO STALL WHILE IN MOTION, WHEN THE VEHICLE REACHED HOME THE VEHICLE DIED. THE ENGINE TURNED BUT DID NOT START. THE INTAKE WAS LEAKING COOLANT INTO CYLINDERS. *SC

NHTSA ODI #10091657

88,103 miles · Oct 21, 2004
Engine And Engine Cooling

JULY 11, 2002: WE HAD TO HAVE 5 INJECTORS REPLACED BY JORDAN OLDSMOBILE-BUICK, HOT SPRINGS, ARKANSAS. COST: $709.42. MILEAGE WAS 82,260. OCTOBER 31, 2002: WE HAD TO TAKE OUR CAR TO ORR PONTIAC, CADILLAC, TOYOTA, HOT SPRINGS, ARKANSAS, BECAUSE THE CAR MISFIRED (OR BACKFIRED) ON US. THE WORK ORDER STATES: CUSTOMER STATE…

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JULY 11, 2002: WE HAD TO HAVE 5 INJECTORS REPLACED BY JORDAN OLDSMOBILE-BUICK, HOT SPRINGS, ARKANSAS. COST: $709.42. MILEAGE WAS 82,260. OCTOBER 31, 2002: WE HAD TO TAKE OUR CAR TO ORR PONTIAC, CADILLAC, TOYOTA, HOT SPRINGS, ARKANSAS, BECAUSE THE CAR MISFIRED (OR BACKFIRED) ON US. THE WORK ORDER STATES: CUSTOMER STATES THAT OIL LIGHT AND TEMP LIGHT CAME ON; CAR WAS LOW ON COOLANT AND HAD TO ADD WATER, SAID A LOT OF WHITE SMOKE CAME OUT OF TAIL PIPES AND HAD VERY BAD SULFUR SMELL. INTAKE LEAKING, FLOODING CYL WITH COOLANT. REPLACED : TWO MANIFOLDS, COOLANT, OIL, ETC. COST: $1398.66. MILEAGE: 88,103. NOVEMBER 15, 2002: OIL GAUGE GOES TO RED AND ENGINE HAS KNOCK. DIAGNOSIS WAS INTERNAL ENGINE DAMAGEI WAS TOLD THAT PARTS OF THE ENGINE HAD BEEN MADE OF PLASTIC AND THIS PLASTIC HAD MELTED. COMPLETE NEW ENGINE. COST: $4174.94. MILEAGE: 88,821.

NHTSA ODI #10096150

Official recalls

1

04V090000 · Fuel System, Gasoline:delivery

Feb 24, 2004

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH 3800 V6 (L36) ENGINES AND CERTAIN DELPHI FUEL PRESSURE REGULATORS, THE REGULATORS HAVE A MUCH HIGHER THAN USUAL RATE OF FUEL LEAKS. A LEAK CAN ALLOW FUEL TO ENTER THE INTAKE MANIFOLD THROUGH A VACUUM LINE. IF THE ENGINE DOES NOT START WHEN CRANKED, THE FUEL FROM THE LEAKING REGULATOR AND A MISTIMED SPARK CAN CAUSE A BACKFIRE.

Consequence & remedy

Consequence: THE BACKFIRE CAN RUPTURE THE INTAKE MANIFOLD. THE RUPTURE OF THE INTAKE MANIFOLD CAN DISPLACE A FUEL LINE, PULLING AN INJECTOR OUT OF PLACE, AND CAUSING A FUEL LEAK AND POSSIBLE FIRE.

Remedy: DEALERS WILL INSTALL NEW FUEL PRESSURE REGULATORS WITH IMPROVED DIAPHRAGMS. THE RECALL WILL BE CONDUCTED IN PHASED MAILINGS. PHASE 1 BEGAN ON JUNE 30, 2004, AND PHASE 2 BEGAN ON SEPTEMBER 30, 2004. OWNERS SHOULD CONTACT BUICK AT 1-866-608-8080, OLDSMOBILE AT 1-800-630-6537, OR PONTIAC AT 1-800-620-7668.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

2

EA02030 · Engine Compartment Fires

Opened Oct 22, 2002 · Closed Mar 9, 2004

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Additional source detail variants (3)

Fuel System, Gasoline:delivery

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

Fuel System, Gasoline

EA02-030 IS CLOSED WITH GMEA02-030 IS CLOSED WITH GM?S ACTIONS IN 03V-473 AND 04V-090 RECALLING APPROXIMATELY 529,000 MY 1998-99 C- AND H-BODY VEHICLES EQUIPPED WITH DEFECTIVE FUEL PRESSURE REGULATORS.THESE VEHICLES WERE EQUIPPED WITH PLASTIC INTAKE MANIFOLDS THAT ARE UNABLE TO CONTAIN PRESSURES THAT OCCUR IN SOME BACKFIRE EVENTS AND DEFECTIVE FUEL PRESSURE REGULATORS WITH LEAKING DIAPHRAGMS THAT CAN PROVIDE A SOURCE OF FUEL TO PRODUCE A COMBUSTIBLE AIR-FUEL MIXTURE IN THE MANIFOLD.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY ODI THAT NO SAFETY DEFECT EXISTS IN THE VEHICLES THAT ARE NOT INCLUDED IN GM?S RECALLS.ODI WILL CONTINUE TO MONITOR THE INCIDENCE OF MANIFOLD RUPTURES AND RELATED FIRES IN OTHER MY 1995-2002 GM PASSENGER CARS EQUIPPED WITH THE SUBJECT INTAKE MANIFOLD.FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.

PE02050 · Engine Compartment Fires

Opened Jun 13, 2002 · Closed Oct 22, 2002

Status: closed (inferred from source dates) · Engine And Engine Cooling

No summary supplied.