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1999 Pontiac Bonneville

Owner reports · Recalls · Investigations

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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

60 reports with mileage · 83 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 59 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel System, Gasoline. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

5 crash reports9 fire reports6 injury reports

What owners actually said

143 reports
59,000 miles · Sep 23, 2003
Power Train

THE GEAR SHIFT INDICATOR IS GIVING FALSE READINGS. DRIVER HAS NO CLUE TO WHAT GEAR THE VEHICLE IS IN. *AK THE SHIFT INDICATOR DID NOT WORK MOST OF THE TIME. THE VEHICLE WOULD DRIVE BUT IT WAS ACTUALLY IN REVERSE THE INDICATORS WERE IN NEUTRAL BUT THE TRANSMISSION WAS IN DRIVE. *SCC. THE CONSUMER LEARNED THERE WAS A RECAL…

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THE GEAR SHIFT INDICATOR IS GIVING FALSE READINGS. DRIVER HAS NO CLUE TO WHAT GEAR THE VEHICLE IS IN. *AK THE SHIFT INDICATOR DID NOT WORK MOST OF THE TIME. THE VEHICLE WOULD DRIVE BUT IT WAS ACTUALLY IN REVERSE THE INDICATORS WERE IN NEUTRAL BUT THE TRANSMISSION WAS IN DRIVE. *SCC. THE CONSUMER LEARNED THERE WAS A RECALL ON THE MATTER, HOWEVER THE RECALL DID NOT APPLY TO HIS VEHICLE, EVEN THOUGH THERE WAS A RECALL ON THE SAME MAKE AND MODEL. *JB

NHTSA ODI #10024708

84,000 miles · Sep 10, 2003
Engine And Engine Cooling

MY CAR STALLS INTERMITTENTLY, USUALLY IN TOWN WHILE BRAKING OR TURNING, OR MERELY SLOWING DOWN. IT LURCHES WHEN CRUISE CONTROL IS SET AT HIGHER SPEEDS LIKE IT'S TRYING TO DIE. IT HAS HAPPENED AT LEAST 10 TIMES (DYING) AND 5 TIMES (LURCHING) IN THE LAST 3 DAYS. DEALERSHIP UNABLE TO DUPLICATE MORE THAN 1 TIME AND CAN'T FIGURE O…

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MY CAR STALLS INTERMITTENTLY, USUALLY IN TOWN WHILE BRAKING OR TURNING, OR MERELY SLOWING DOWN. IT LURCHES WHEN CRUISE CONTROL IS SET AT HIGHER SPEEDS LIKE IT'S TRYING TO DIE. IT HAS HAPPENED AT LEAST 10 TIMES (DYING) AND 5 TIMES (LURCHING) IN THE LAST 3 DAYS. DEALERSHIP UNABLE TO DUPLICATE MORE THAN 1 TIME AND CAN'T FIGURE OUT WHAT TO DO NEXT. HAVE CLEANED TERMINALS AND REPLACED CRANK SHAFT SENSOR. *JB

NHTSA ODI #10037584

12,000 miles · Sep 4, 2003
Engine And Engine Cooling

THE CONSUMER STATED THE VEHICLE STALLED WHICH MADE THE VEHICLE DIFFICULT TO CONTROL. *PH THE DEALER REPLACED THE OXYGEN SENSOR, BUT THE PROBLEM CONTINUED. *SCC *JB

NHTSA ODI #10031703

71,100 miles · Aug 17, 2003
Engine And Engine Cooling

BROUGHT VEHICLE IN FOR OIL CHANGE @ LOCAL REPAIR SHOP. SHOP OWNER STATES CHECK ENGINE LIGHT CAME ON-VEHICLE STALLED. FOUND PLASTIC INTAKE MANIFOLD BURNED. ENTIRE ENGINE FLOODED WITH ANTI-FREEZE. ESTIMATED ENGINE REPAIR COST APPROXIMATELY $2100.00. *AK

NHTSA ODI #10032992

102,000 miles · Aug 7, 2003
Engine And Engine Cooling

THERE IS A RECALL ON GM 3800 SERIES II ENGINES FOR YEARS 2000 AND ABOVE RELATING TO THE INTAKE PLENUM. THIS DEFECT CAUSES SERIOUS ENGINE PROBLEMS. I TALKED WITH MORE THAN ONE MECHANIC WHO STATED THAT THIS EXACT DEFECT FREQUENTLY OCCURS IN 1998 AND 1999 YEAR AUTOS WHICH USE THE SAME ENGINE. MY 1999 BONNEVILLE HAS THIS PROBLEM …

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THERE IS A RECALL ON GM 3800 SERIES II ENGINES FOR YEARS 2000 AND ABOVE RELATING TO THE INTAKE PLENUM. THIS DEFECT CAUSES SERIOUS ENGINE PROBLEMS. I TALKED WITH MORE THAN ONE MECHANIC WHO STATED THAT THIS EXACT DEFECT FREQUENTLY OCCURS IN 1998 AND 1999 YEAR AUTOS WHICH USE THE SAME ENGINE. MY 1999 BONNEVILLE HAS THIS PROBLEM WHICH WILL PROBABLY COST SEVERAL THOUSAND DOLLARS TO REPAIR. I BELIEVE THIS SHOULD BE COVERED BY GM. CURRENTLY, THEY ARE NOT COVERING 1999 MODELS. THIS IS AN OBVIOUS MANUFACTURER'S DEFECT AND SHOULD BE TAKEN CARE OF BY THEM. *PH

NHTSA ODI #10031002

46,600 miles · Aug 3, 2003
Engine And Engine Cooling

I HAVE A 1999 PONTIAC BONNEVILLE AND I NOTICED ABOUT 3 WEEKS AGO THAT THE COOLANT RESERVOIR WOULD NOT HOLD ANY COOLANT. I TOOK THE VEHICLE TO BUTTS MOTORS TO HAVE A BELT CHANGED AND THE COOLANT LEAK INVESTIGATED. THEY INFORMED ME THAT IT WAS THE UPPER MANIFOLD AND GASKET THAT NEEDED TO BE REPLACED. I ASKED IF THOSE PARTS WERE…

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I HAVE A 1999 PONTIAC BONNEVILLE AND I NOTICED ABOUT 3 WEEKS AGO THAT THE COOLANT RESERVOIR WOULD NOT HOLD ANY COOLANT. I TOOK THE VEHICLE TO BUTTS MOTORS TO HAVE A BELT CHANGED AND THE COOLANT LEAK INVESTIGATED. THEY INFORMED ME THAT IT WAS THE UPPER MANIFOLD AND GASKET THAT NEEDED TO BE REPLACED. I ASKED IF THOSE PARTS WERE PART OF THE EMISSIONS SYSTEM AND THE GENTLEMAN SAID, "YES IT IS. IF YOU DON'T GET IT REPLACED YOU'LL BE SPILLING EMISSIONS ALL OVER THE PLACE." HE THEN QUOTED ME A HEFTY PRICE OF ALMOST $900.00 TO DO THE WORK. I TOLD HIM THAT I BELIEVED THAT THE UPPER MANIFOLD WHICH HE CONFIRMED WAS PART OF THE EMISSIONS SYSTEM SHOULD BE COVERED FOR 7 YEARS/70,000 MILES (FEDERAL EMISSIONS LAW). THIS PARTICULAR PROBLEM IS COMMON AMONG GM ENGINES FROM 1995-1999. IT IS AN ISSUE COVERED IN THEIR TECHNICAL SERVICE BULLETIN NO: 01-06-01-007A, DATED JULY 2001. IT STATES THAT, CONDITION: SOME OWNERS MAY COMMENT ON EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD." THEY CONTINUE," CAUSE: UPPER INTAKE MANIFOLD COMPOSITE MATERIAL MAY DEGRADE AROUND THE EGR STOVE PIPE AND COULD RESULT IN AN INTERNAL OR EXTERNAL COOLANT LEAK." THE EGR SYSTEM, INTAKE MANIFOLD, AND THE THROTTLE BODY ASSEMBLY ARE ALL COVERED UNDER EMISSIONS. THE SERVICEMAN AT BUTTS MOTORS TOLD ME BY PHONE ON 31 JULY 2003, THAT THE THROTTLE BODY WAS COVERED UNDER THE POWERTRAIN WARRANTY, WHICH WAS, OF COURSE, EXPIRED. IT IS NOT COVERED UNDER THE POWERTRAIN. I WANT GM TO COVER THE COST OF THE WARRANTED PARTS/LABOR FOR THIS REPAIR. THE FACT THAT THE GASKET IS MADE OF PLASTIC AND THAT THE RECOMMENDED COOLANT "DEXCOOL" CORRODES THE PLASTIC IS NOT THE FAULT OF THE CONSUMER. THIS IS A DOCUMENTED DEFECT AND SHOULD BE CORRECTED FOR THE CONSUMER AT NO COST. I SENT THIS EXACT COMPLAINT STATEMENT TO THE CALIFORNIA STATE ATTORNEY'S OFFICE. I WANT GENERAL MOTORS TO TAKE RESPONSIBILITY FOR AND RECTIFY ITS FAULTY PRODUCTS.*AK

NHTSA ODI #10030688

Mileage unknown · Jul 31, 2003
Engine And Engine Cooling

CONSUMER STATES THAT THE VEHICLE WATER PUMP HAS FAILED. *PH

NHTSA ODI #10031704

48,299 miles · Jun 29, 2003
Fuel System, Gasoline

FUEL PUMP. *NLM

NHTSA ODI #10023971

50,100 miles · May 20, 2003
Engine And Engine Cooling

THE UPPER PLENUM DEVELOPED A HOLE THAT ALLOWED COOLANT TO FLOW INTO THE EGR. WAS TOLD THIS WAS A COMMON PROBLEM BY THE DEALER AND COULD HAVE LOCKED UP THE ENGINE. *NLM

NHTSA ODI #10019005

47,400 miles · May 12, 2003
Engine And Engine Cooling

IN NORMAL DRIVING, THE INTAKE MANIFOLD CRACKED AND CAUSED THE COOLANT TO LEAK INTO THE EXHAUST SYSTEM. THIS HAS CAUSED EXTENSIVE REPAIRS AND THE PROBLEMS CONTINUE. *NLM

NHTSA ODI #10018569

Official recalls

3

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.

99V089000 · Power Train:automatic Transmission

Apr 26, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 4T65E AUTOMATIC TRANSMISSIONS. THESE VEHICLES FAIL TO CONFORM TO THE REQUIREMENTS OF FMVSS NO. 102, "TRANSMISSION SHIFT LEVER SEQUENCE." A RETAINING CLIP, WHICH SECURES THE MANUAL VALVE TO THE LINKAGE OF THE TRANSMISSION DETENT LEVER, CAN BECOME LOOSE UNDER A COMBINATION OF POSSIBLE DRIVER SHIFTING MANEUVERS AND ALLOW THE LINK TO BECOME DISCONNECTED FROM THE MANUAL VALVE.

Consequence & remedy

Consequence: IF THE LINK DISCONNECTS, THE DRIVER'S INDICATED PRNDL STATE MAY DIFFER FROM THE HYDRAULIC STATE OF THE TRANSMISSION. IF THE DRIVER SELECTS 'DRIVE' AND THE TRANSMISSION IS ACTUALLY IN 'REVERSE', A VEHICLE CRASH COULD OCCUR.

Remedy: DEALERS WILL REPLACE THE MANUAL VALVE/LINK ASSEMBLY WITH A REPLACEMENT MANUAL VALVE/LINK KIT, FEATURING A SPRING-TYPE FASTENER.

99V072000 · Wheels

Apr 12, 1999

VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH CHROME PLATED ALUMINUM WHEELS. SOME OF THESE WHEELS HAVE A MOUNTING SURFACE THAT WAS NOT MACHINED CORRECTLY, CAUSING THE WHEEL STUDS TO BREAK.

Consequence & remedy

Consequence: THE TIRE/WHEEL ASSEMBLY COULD SEPARATE FROM THE VEHICLE, INCREASING THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT THE WHEELS AND REPLACE ALL WHEELS WITH DATE CODES INDICATING THAT THEY MAY NOT HAVE BEEN MACHINED CORRECTLY. THE WHEEL MOUNTING STUDS AT ANY LOCATION WHERE A SUSPECT WHEEL WAS INSTALLED WILL ALSO BE REPLACED.

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

4

EA07008 · Engine Compartment Fire

Opened Jun 12, 2007 · Closed May 1, 2008

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

BY LETTER DATED MARCH 12, 2008, GENERAL MOTORS CORP. (GM) HAS NOTIFIED THE AGENCY THAT IT WILL CONDUCT A SAFETY RECALL (IDENTIFIED BY NHTSA RECALL NUMBER 08V-118) TO ADDRESS A DEFECT IN APPROXIMATELY 207,542 MODEL YEAR (MY) 1997-2003 BUICK REGAL GS AND PONTIAC GRAND PRIX GTP VEHICLES EQUIPPED WITH THE L67 SUPERCHARGED VERSION OF GM'S 3800 SERIES II V6 ENGINE.THE RECALLED REGAL GS VEHICLES WERE BUILT FROM AUGUST 1996 TO JUNE 2003 AND THE GRAND PRIX GTP FROM MARCH 1996 THROUGH JANUARY 2003.ACCORDING TO GM, OIL MAY ESCAPE PAST THE VALVE COVER GASKET ON THE FRONT CYLINDER BANK (CYLINDERS 1-3-5) AND DEPOSIT ONTO HOT EXHAUST SYSTEM COMPONENTS.UNDER CERTAIN CONDITIONS, IT IS POSSIBLE FOR THIS OIL TO IGNITE A SMALL PILOT FLAME, WHICH MAY SPREAD TO THE ADJACENT PLASTIC SPARK PLUG WIRE CHANNEL, THE SPARK PLUG WIRES THEMSELVES, THE PLASTIC ENGINE COVER, AND OTHER UNDER HOOD COMPONENTS.REPORTS INDICATE THIS MOST OFTEN OCCURS ON HIGHER-MILEAGE VEHICLES SHORTLY AFTER THE VEHICLE HAS BEEN DRIVEN AND THEN PARKED.TYPICALLY, THE FIRE WAS DISCOVERED WITHIN 5 TO 15 MINUTES AFTER THE VEHICLE WAS PARKED.DURING THIS TIME WINDOW, UNDER HOOD TEMPERATURES MAY BECOME ELEVATED.SUCH ELEVATED TEMPERATURES COMBINED WITH A LACK OF AIRFLOW THROUGH THE ENGINE COMPARTMENT MAY PERMIT A SMALL PILOT FLAME TO PROPAGATE AND IGNITE OTHER FUEL SOURCES.TO CORRECT THE SAFETY DEFECT, GM WILL INSTALL AN IMPROVED DESIGN FRONT VALVE COVER GASKET AND SPARK PLUG WIRE RETAINER.THIS REMEDY WILL BE SUPPLIEDFREE OF CHARGE FOR ALL RECALLED VEHICLES.UNTIL SUFFICIENT PARTS BECOME AVAILABLE TO REPAIR ALL OF THE AFFECTED VEHICLES, GM STRONGLY RECOMMENDS THAT OWNERS OBSERVE THE FOLLOWING IMPORTANT PRECAUTIONS: (1) THEY STRONGLY RECOMMEND THAT OWNERS DO NOT PARK THEIR VEHICLE IN A GARAGE, CARPORT, OR OTHER STRUCTURE; (2) IF OWNERS NOTICE A BURNING ODOR, THEY SHOULD HAVE THEIR DEALER INSPECT THE VEHICLE - THE DEALER WILL INSPECT THE VEHICLE WITHOUT CHARGE; AND (3) USE PREMIUM FUEL (91 OCTANE OR HIGHER) IN THE VEHICLE AS RECOMMENDED IN THE VEHICLE'S OWNER MANUAL.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.THE SUBJECT FIRE INCIDENT RATE ON THE C-, G-, AND H-PLATFORM SUBJECT VEHICLES IS LOW.THE AGENCY WILL CONTINUE TO MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.

Additional source detail variants (2)

Engine And Engine Cooling

BY LETTER DATED MARCH 12, 2008, GENERAL MOTORS CORP. (GM) HAS NOTIFIED THE AGENCY THAT IT WILL CONDUCT A SAFETY RECALL (IDENTIFIED BY NHTSA RECALL NUMBER 08V-118) TO ADDRESS A DEFECT IN APPROXIMATELY 207,542 MODEL YEAR (MY) 1997-2003 BUICK REGAL GS AND PONTIAC GRAND PRIX GTP VEHICLES EQUIPPED WITH THE L67 SUPERCHARGED VERSION OF GM'S 3800 SERIES II V6 ENGINE.THE RECALLED REGAL GS VEHICLES WERE BUILT FROM AUGUST 1996 TO JUNE 2003 AND THE GRAND PRIX GTP FROM MARCH 1996 THROUGH JANUARY 2003.ACCORDING TO GM, OIL MAY ESCAPE PAST THE VALVE COVER GASKET ON THE FRONT CYLINDER BANK (CYLINDERS 1-3-5) AND DEPOSIT ONTO HOT EXHAUST SYSTEM COMPONENTS.UNDER CERTAIN CONDITIONS, IT IS POSSIBLE FOR THIS OIL TO IGNITE A SMALL PILOT FLAME, WHICH MAY SPREAD TO THE ADJACENT PLASTIC SPARK PLUG WIRE CHANNEL, THE SPARK PLUG WIRES THEMSELVES, THE PLASTIC ENGINE COVER, AND OTHER UNDER HOOD COMPONENTS.REPORTS INDICATE THIS MOST OFTEN OCCURS ON HIGHER-MILEAGE VEHICLES SHORTLY AFTER THE VEHICLE HAS BEEN DRIVEN AND THEN PARKED.TYPICALLY, THE FIRE WAS DISCOVERED WITHIN 5 TO 15 MINUTES AFTER THE VEHICLE WAS PARKED.DURING THIS TIME WINDOW, UNDER HOOD TEMPERATURES MAY BECOME ELEVATED.SUCH ELEVATED TEMPERATURES COMBINED WITH A LACK OF AIRFLOW THROUGH THE ENGINE COMPARTMENT MAY PERMIT A SMALL PILOT FLAME TO PROPAGATE AND IGNITE OTHER FUEL SOURCES.TO CORRECT THE SAFETY DEFECT, GM WILL INSTALL AN IMPROVED DESIGN FRONT VALVE COVER GASKET AND SPARK PLUG WIRE RETAINER.THIS REMEDY WILL BE SUPPLIEDFREE OF CHARGE FOR ALL RECALLED VEHICLES.UNTIL SUFFICIENT PARTS BECOME AVAILABLE TO REPAIR ALL OF THE AFFECTED VEHICLES, GM STRONGLY RECOMMENDS THAT OWNERS OBSERVE THE FOLLOWING IMPORTANT PRECAUTIONS: (1) THEY STRONGLY RECOMMEND THAT OWNERS DO NOT PARK THEIR VEHICLE IN A GARAGE, CARPORT, OR OTHER STRUCTURE; (2) IF OWNERS NOTICE A BURNING ODOR, THEY SHOULD HAVE THEIR DEALER INSPECT THE VEHICLE - THE DEALER WILL INSPECT THE VEHICLE WITHOUT CHARGE; AND (3) USE PREMIUM FUEL (91 OCTANE OR HIGHER) IN THE VEHICLE AS RECOMMENDED IN THE VEHICLE'S OWNER MANUAL.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.THE SUBJECT FIRE INCIDENT RATE ON THE C-, G-, AND H-PLATFORM SUBJECT VEHICLES IS LOW.THE AGENCY WILL CONTINUE TO MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.

Engine And Engine Cooling

BY LETTER DATED MARCH 12, 2008, GENERAL MOTORS CORP. (GM) HAS NOTIFIED THE AGENCY THAT IT WILL CONDUCT A SAFETY RECALL (IDENTIFIED BY NHTSA RECALL NUMBER 08V-118) TO ADDRESS A DEFECT IN APPROXIMATELY 207,542 MODEL YEAR (MY) 1997-2003 BUICK REGAL GS AND PONTIAC GRAND PRIX GTP VEHICLES EQUIPPED WITH THE L67 SUPERCHARGED VERSION OF GM'S 3800 SERIES II V6 ENGINE.THE RECALLED REGAL GS VEHICLES WERE BUILT FROM AUGUST 1996 TO JUNE 2003 AND THE GRAND PRIX GTP FROM MARCH 1996 THROUGH JANUARY 2003.ACCORDING TO GM, OIL MAY ESCAPE PAST THE VALVE COVER GASKET ON THE FRONT CYLINDER BANK (CYLINDERS 1-3-5) AND DEPOSIT ONTO HOT EXHAUST SYSTEM COMPONENTS.UNDER CERTAIN CONDITIONS, IT IS POSSIBLE FOR THIS OIL TO IGNITE A SMALL PILOT FLAME, WHICH MAY SPREAD TO THE ADJACENT PLASTIC SPARK PLUG WIRE CHANNEL, THE SPARK PLUG WIRES THEMSELVES, THE PLASTIC ENGINE COVER, AND OTHER UNDER HOOD COMPONENTS.REPORTS INDICATE THIS MOST OFTEN OCCURS ON HIGHER-MILEAGE VEHICLES SHORTLY AFTER THE VEHICLE HAS BEEN DRIVEN AND THEN PARKED.TYPICALLY, THE FIRE WAS DISCOVERED WITHIN 5 TO 15 MINUTES AFTER THE VEHICLE WAS PARKED.DURING THIS TIME WINDOW, UNDER HOOD TEMPERATURES MAY BECOME ELEVATED.SUCH ELEVATED TEMPERATURES COMBINED WITH A LACK OF AIRFLOW THROUGH THE ENGINE COMPARTMENT MAY PERMIT A SMALL PILOT FLAME TO PROPAGATE AND IGNITE OTHER FUEL SOURCES.TO CORRECT THE SAFETY DEFECT, GM WILL INSTALL AN IMPROVED DESIGN FRONT VALVE COVER GASKET AND SPARK PLUG WIRE RETAINER.THIS REMEDY WILL BE SUPPLIEDFREE OF CHARGE FOR ALL RECALLED VEHICLES.UNTIL SUFFICIENT PARTS BECOME AVAILABLE TO REPAIR ALL OF THE AFFECTED VEHICLES, GM STRONGLY RECOMMENDS THAT OWNERS OBSERVE THE FOLLOWING IMPORTANT PRECAUTIONS: (1) THEY STRONGLY RECOMMEND THAT OWNERS DO NOT PARK THEIR VEHICLE IN A GARAGE, CARPORT, OR OTHER STRUCTURE; (2) IF OWNERS NOTICE A BURNING ODOR, THEY SHOULD HAVE THEIR DEALER INSPECT THE VEHICLE - THE DEALER WILL INSPECT THE VEHICLE WITHOUT CHARGE; AND (3) USE PREMIUM FUEL (91 OCTANE OR HIGHER) IN THE VEHICLE AS RECOMMENDED IN THE VEHICLE'S OWNER MANUAL.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.THE SUBJECT FIRE INCIDENT RATE ON THE C-, G-, AND H-PLATFORM SUBJECT VEHICLES IS LOW.THE AGENCY WILL CONTINUE TO MONITOR THIS ISSUE AND RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.SEE DOCUMENT FILE FOR ADDITIONAL INFORMATION REGARDING THIS RESUME.

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.

RQ99007 · Transmission Shift Lever Sequence

Opened May 26, 1999 · Closed Feb 8, 2002

Status: closed (inferred from source dates) · Power Train

No summary supplied.