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1998 Buick Riviera

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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How this year compares

Owner complaints by model year

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Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

All reported categories

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

Limited mileage data: 8 of 29 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Steering. Review the 7 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes, Hydraulic. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

3 crash reports2 fire reports0 injury reports

Engine complaints

4 reports
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161,000 miles · Sep 21, 2016
Engine

IT STARTED OUT AS A SMALL OIL LEAK, BUT I RECENTLY NOTICED THE LEAK HAS EXPANDED SIGNIFICANTLY. IT'S DIFFICULT TO PINPOINT THE LEAK, BUT AN OIL PAN UNDER THE CAR SHOWS SIGNIFICANT PUDDLING OF OIL. A SEALER/CONDITIONER DOESN'T APPEAR TO HAVE BEEN AFFECTED. WHILE ONLINE, I NOTED THAT THE 3800CC 3.8L ENGINE SEEMS NOTORIOUS FOR T…

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IT STARTED OUT AS A SMALL OIL LEAK, BUT I RECENTLY NOTICED THE LEAK HAS EXPANDED SIGNIFICANTLY. IT'S DIFFICULT TO PINPOINT THE LEAK, BUT AN OIL PAN UNDER THE CAR SHOWS SIGNIFICANT PUDDLING OF OIL. A SEALER/CONDITIONER DOESN'T APPEAR TO HAVE BEEN AFFECTED. WHILE ONLINE, I NOTED THAT THE 3800CC 3.8L ENGINE SEEMS NOTORIOUS FOR THIS PROBLEM, AND OTHER MODELS OF GM CARS APPEAR TO BE SUBJECT TO A RECALL. NOT SO THE BUICK, WHICH TO ME, HAS THE SAME ENGINE. GIVEN THAT IS IS KNOWN NOW, I'M CONCERNED THAT THIS LOW PRODUCTION VEHICLE WAS LEFT OUT OF THE RECALL AND SHOULD BE INCLUDED. PUDDLE OF OIL PHOTO ENCLOSED. THIS CONDITION IS MOST NOTICEABLE WHILE THE VEHICLE IS STATIONARY.

NHTSA ODI #10908561

56,513 miles · Mar 16, 2016
EngineEngine And Engine Cooling

TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE ENTERING THE VEHICLE, THE CONTACT NOTICED ENGINE OIL ON THE GROUND UNDER THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE VALVE COVER GASKET FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBE…

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TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE ENTERING THE VEHICLE, THE CONTACT NOTICED ENGINE OIL ON THE GROUND UNDER THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE VALVE COVER GASKET FAILED AND NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 56,513. UPDATED 04/29/16*LJ *TR

NHTSA ODI #10850080

170,000 miles · Feb 5, 2016
EngineFire

TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE STOPPED, THE CONTACT NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT OF THE VEHICLE. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE CONTACT WAS A CERTIFIED MECHANIC WHO DIAGNOSED THAT THE VALVE COVER GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER W…

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TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE STOPPED, THE CONTACT NOTICED SMOKE COMING FROM THE ENGINE COMPARTMENT OF THE VEHICLE. THE FAILURE RECURRED ON NUMEROUS OCCASIONS. THE CONTACT WAS A CERTIFIED MECHANIC WHO DIAGNOSED THAT THE VALVE COVER GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 170,000. UPDATED 04/07/16*LJ *JS

NHTSA ODI #10824487

300,000 miles · Oct 27, 2015
Engine

TL* THE CONTACT OWNS A 1998 BUICK RIVIERA. WHILE THE VEHICLE WAS PARKED, THERE WAS A PUDDLE OF OIL DRIPPING NEAR THE ENGINE AREA. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 300,000.

NHTSA ODI #10786262

Official recalls

0

No recalls in this snapshot.

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

1

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.