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1999 Pontiac Grand Prix

Owner reports · Recalls · Investigations

More warning signs than most Grand Prix years

Owner complaints for the 1999 Pontiac Grand Prix are substantially higher than the model-year median of 88.

About this comparison →

When problems were reported

Mileage at the reported incident

238 reports with mileage · 174 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 152 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 58 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. 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.

13 crash reports125 fire reports8 injury reports

Wheels complaints

10 reports
Clear category filter
240,000 miles · Jan 3, 2015
Electrical SystemEngineWheelsFire

CAR WAS PARKED IN DRIVEWAY AFTER DRIVING TO TOWN AND BACK. ABOUT 20 MINUTES LATER MY BOYFRIEND HEARD A POP SOUND FROM INSIDE THE HOUSE. WHEN HE LOOKED OUTSIDE THE CAR WAS ON FIRE UNDER THE HOOD. FIRE DEPARTMENT WAS CALLED TO HELP PUT OUT THE FIRE. CAR WAS COMPLETELY BURNED UNDER THE HOOD, TIRES/FRONT PART OF CAR WERE ALSO BU…

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CAR WAS PARKED IN DRIVEWAY AFTER DRIVING TO TOWN AND BACK. ABOUT 20 MINUTES LATER MY BOYFRIEND HEARD A POP SOUND FROM INSIDE THE HOUSE. WHEN HE LOOKED OUTSIDE THE CAR WAS ON FIRE UNDER THE HOOD. FIRE DEPARTMENT WAS CALLED TO HELP PUT OUT THE FIRE. CAR WAS COMPLETELY BURNED UNDER THE HOOD, TIRES/FRONT PART OF CAR WERE ALSO BURNED. DAMAGE WAS A TOTAL LOSS, ENGINE WAS BURNING SO HOT IT WAS WHITE. NEARLY CAUSED A HOUSE FIRE AND LUCKILY NO ONE WAS INJURED. CAR HAD SOME OIL LEAKAGE IN ENGINE/MANIFOLD AREA BUT RECALL WAS FIXED ABOUT 5 YEARS AGO FOR THIS ISSUE. CAR WAS IN GOOD CONDITION AND NO SERIOUS PROBLEMS BEFORE THIS FIRE OCCURRED. *TR

NHTSA ODI #10669833

126,000 miles · Mar 18, 2013
EngineStructureWheelsFire

THE NEIGHBOR KNOCKED ON OUR DOOR AND TOLD MY HUSBAND THE CAR WAS ON FIRE. THE FIRE APPEARED TO START UNDER THE HOOD. THE WHOLE FRONT OF THE CAR, INCLUDING THE WINSHIELD WAS BURNED. *TR

NHTSA ODI #10503516

78,000 miles · Nov 4, 2007
Air BagsEquipmentVisibility

A/C LEAKS ON PASSENGER SIDE FLOOR. ALSO A/C BLOWER MOTOR DOES NOT WORK. WHEEL RIMS ARE CORRODED AND PITTED. AIR BAG LIGHT IS ON AND STAYS ON. *JB

NHTSA ODI #10207862

Mileage unknown · Jun 5, 2006
Wheels

1999 GRAND PRIX RIGHT FRONT TIRE CAME TO REST ON THE UNDERCARRIAGE AND SUSPENSION. *TS 5 LUG STUDS SNAPPED OFF. *JB

NHTSA ODI #10159479

95,000 miles · Jan 18, 2006
Wheels

DRIVING DOWN THE HIGHWAY MY 1999 PONTIAC GRAND PRIX DEVELOPED A LOW HUM IN THE FRONT END WHICH FAIRLY QUICKLY - WITHIN 30 MILES - ESCALATED TO A SUBSTANTIAL RUMBLE/ROAR. I THEN EXPERIENCED A SUDDEN AND PRONOUNCED WOBBLE. I PULLED INTO THE BREAKDOWN AND EVENTUALLY FOUND THAT 4 OF THE 5 STUDS HOLDING THE RIGHT FRONT WHEEL ON WER…

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DRIVING DOWN THE HIGHWAY MY 1999 PONTIAC GRAND PRIX DEVELOPED A LOW HUM IN THE FRONT END WHICH FAIRLY QUICKLY - WITHIN 30 MILES - ESCALATED TO A SUBSTANTIAL RUMBLE/ROAR. I THEN EXPERIENCED A SUDDEN AND PRONOUNCED WOBBLE. I PULLED INTO THE BREAKDOWN AND EVENTUALLY FOUND THAT 4 OF THE 5 STUDS HOLDING THE RIGHT FRONT WHEEL ON WERE GONE. THE STUDS WERE SHEARED OFF DOWN TO THE ROTOR. THERE WAS LITTLE IN THE WAY OF WARNING. NO CHANGE IN DRIVING CHARACTERISTICS IN DAYS PRIOR TO THE INCIDENT. ON THE DAY OF THE INCIDENT, I DID NOTE A ROTATIONAL 'TICKING' SOUND, WHICH I THOUGHT MIGHT BE A STONE CAUGHT IN MY TREADS. AFTER DRIVING FOR APPROXIMATELY 60 MILES, I STOPPED FOR GAS AND CHECKED: NO STONE. LEAVING THE STATION, I NOTED A FAINT THUMP, BOTH HEARD AND FELT IN THE PEDAL, WHEN BRAKING BUT IT DID NOT SEEM LIKE AN ACUTE SITUATION. IT WAS APPROXIMATELY 20 MILES LATER THAT THE FAILURE MANIFESTED. I SUSPECT THIS 'THUMPING' WAS BECAUSE ONE OR MORE STUDS HAD ALREADY FAILED AND THE WHEEL WAS NOW NOT SECURED PROPERLY. A REPAIR SHOP SAID IF THE LUGS HAD BEEN LOOSE, THERE WOULD BE A CHARACTERISTIC WEAR ON THE WHEEL. THIS WAS NOT PRESENT. THIS SHOP REPLACED THE 4 SHEARED STUDS. CARTALK RADIO SHOW HOSTS SUGGESTED OVER-TORQUE AS A POSSIBLE CAUSE, AND SUGGESTED I GET OTHER LUGS INSPECTED IMMEDIATELY. I TOOK THE CAR TO A TIRE SHOP. THEY INSPECTED THE REMNANTS OF THE STUDS I HAD THE OTHER SHOP SAVE. THEY INDICATED THAT IN THEIR EXPERIENCE, FAILURE DUE TO OVER TORQUE LEAVES A CHARACTERISTIC PATTERN ON THE METAL, WHICH WAS NOT PRESENT. INSPECTION CONFIRMED NO PATTERN CHARACTERISTIC OF LOOSE LUGS WAS PRESENT. THEY WERE NOT ABLE TO DETERMINE THE TORQUE ON THE OTHER LUGS ON THE OTHER TIRES BUT DOUBTED OVER TORQUE AS THE CAUSE. I HAVE THE REMAINDERS OF THE SHEARED STUDS AVAIL FOR INSPECTION AND/OR ANALYSIS. I AM CONTEMPLATING REPLACING ALL 15 REMAINING STUDS JUST FOR PIECE OF MIND. I WILL RETAIN THOSE PARTS SHOULD I HAVE THEM REPLACED. *JB

NHTSA ODI #10148014

Mileage unknown · May 7, 2003
Wheels

THE RIMS CRACKED, PEELED, WARPED AND CORRODED. *NLM

NHTSA ODI #10019399

Mileage unknown · May 7, 2003
Wheels

THE TECHNICIAN FOUND THE FRONT LEFT RIM CRACKED. *NLM

NHTSA ODI #10019351

Mileage unknown · Jan 24, 2003
Wheels

CONSUMER NOTICED EVERY DAY A LOW PRESSURE ON THE LEFT TIRE. TOOK VEHICLE TO GOOD TIRE SHOP AND TECHNICIAN FOUND A HAIR LINE CRACK ON THE WHEEL. DEALER HAS BEEN NOTIFIED NOTHING THEY CAN DO WARRANTY IS OVER. PLEASE PROVIDE FURTHER INFORMATION. TS *TR

NHTSA ODI #10004607

Mileage unknown · Nov 3, 2000
Wheels

PROBLEM WITH RIGHT WHEEL STUDS BREAKING OFF. PROBLEM OCCURRED ON TWO OCCASIONS, REPAIR MADE AT DEALER. PLEASE PROVIDE ANY FURTHER DETAILS ON THIS MATTER. *AK

NHTSA ODI #874371

Mileage unknown · Apr 14, 1999
Wheels

LUGS:NUTS AND BOLTS SHEARED OFF THE FRONT RIGHT TIRE, CAUSING FRONT RIGHT HAND SIDE OF THE CAR TO FALL DOWN ON PAVEMENT. THE WHEEL ROLLE DFORWARD AND STRUCK ANOTHER CAR. *AK

NHTSA ODI #836739

Official recalls

4

15V701000 · Engine And Engine Cooling:engine; Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe

Oct 26, 2015

General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.

Consequence & remedy

Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.

Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engine’s front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.

Additional source detail variants (2)

Engine And Engine Cooling:exhaust System:manifold/header/muffler/tail Pipe

General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.

Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.

Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engine’s front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.

Engine And Engine Cooling:engine

General Motors LLC (GM) is recalling certain model year 1998-1999 Chevrolet Lumina and Oldsmobile Intrigue, 1997-2004 Buick Regal and Pontiac Grand Prix, 2000-2004 Chevrolet Impala, and 1998-2004 Chevrolet Monte Carlo vehicles. The affected vehicles were previously repaired under recalls 08V-118, 09V-116, and 15V-201 to address the possibility that engine oil may drip onto the hot exhaust manifold.

Consequence: Engine oil that drips onto the hot surface of the exhaust manifold may result in a fire.

Remedy: The remedy applied under recalls 08V-118, 09V-116, and 15V-201 did not adequately remove the safety risk. Under the improved remedy, dealers will replace the engine’s front valve cover and gasket. Vehicles that are covered by recalls 08V-118, 09V-116, or 15V-201 that have not yet received the original remedy will instead receive the improved remedy under the original recall number. The recall began on February 19, 2016. Owners may contact Chevrolet customer service at 1-800-222-1020, Buick customer service at 1-800-521-7300, Oldsmobile customer service at 1-800-442-6537 and Pontiac customer service at 1-800-458-8006. GM's number for this recall is 15757. Note: Until the improved remedy has been applied, owners are advised to park their vehicle outside since the fire risk exists even when the vehicle is unattended.

09V116000 · Engine And Engine Cooling

Apr 8, 2009

GENERAL MOTORS IS RECALLING 1,497,516 MY 1997-2003 BUICK REGAL, MY 1998-2003 CHEVROLET LUMINA, MONTE CARLO AND IMPALA, MY 1998-1999 OLDSMOBILE INTRIGUE, MY 1997-2003 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L V6 NATURALLY ASPIRATED ENGINE. SOME OF THESE VEHICLES HAVE A CONDITION IN WHICH DROPS OF ENGINE OIL MAY BE DEPOSITED ON THE EXHAUST MANIFOLD THROUGH HARD BRAKING.

Consequence & remedy

Consequence: IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLAME AND MAY SPREAD TO THE PLASTIC SPARK PLUG WIRE CHANNEL AND BEYOND INCREASING THE RISK OF AN ENGINE COMPARTMENT FIRE.

Remedy: DEALERS WILL REPLACE THE ENGINE’S FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINE’S PLASTIC COVER AND PLASTIC OIL-FILL-TUBE EXTENSION, FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2016. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, OLDSMOBILE AT 1-800-630-6537, AND PONTIAC AT 1-800-620-7668 OR HTTP://WWW.PONTIAC.COM OR HTTP:WWW.GMOWNERCENTER.COM.

08V118000 · Engine And Engine Cooling

Mar 12, 2008

GM IS RECALLING 207,542 MY 1997-2003 BUICK REGAL AND PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH A 3.8L SUPERCHARGED V-6 ENGINE. THESE VEHICLES HAVE HIGHER FRONT ROCKER COVER GASKET TEMPERATURES, CREATING THE POTENTIAL FOR EARLIER DEGRADATION OF THE FRONT ROCKER COVER GASKET AND EVENTUAL OIL SEEPAGE.

Consequence & remedy

Consequence: CERTAIN UNDERHOOD FIRES MAY BE CAUSED BY DROPS OF ENGINE OIL, FROM SEEPAGE OR SPILLAGE, BEING DEPOSITED ON THE EXHAUST MANIFOLD THROUGH HARD BRAKING. IF THE MANIFOLD IS HOT ENOUGH AND THE OIL RUNS BELOW THE HEAT SHIELD, IT MAY IGNITE INTO A SMALL FLAME AND, IN SOME INSTANCES, THE FIRE MAY SPREAD TO THE PLASTIC SPARK PLUG WIRE CHANNEL AND BEYOND.

Remedy: DEALERS WILL REPLACE THE ENGINE’S FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINE’S PLASTIC COVER AND PLASTIC OIL-FILL-TUBE EXTENSION, ALONG WITH THE 1-3-5 SPARK PLUG WIRE RETAINERS, FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2016. , FREE OF CHARGE. THE RECALL IS EXPECTED TO BEGIN DURING MAY 2016. UNTIL THE REMEDY IS COMPLETED, GM STRONGLY RECOMMENDS THAT OWNERS OBSERVE THE FOLLOWING IMPORTANT PRECAUTIONS (1) THAT OWNERS DO NOT PARK THEIR VEHICLE IN A GARAGE, CAR PORT, 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; (3) USE PREMIUM FUEL (91 OCTANE OR HIGHER) IN THE VEHICLE AS RECOMMENDED IN THE VEHICLE'S OWNER MANUAL. OWNERS MAY CONTACT BUICK AT 1-866-608-8080 OR PONTIAC AT 1-800-620-7668, OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .

02V027000 · Air Bags:frontal

Jan 25, 2002

ON CERTAIN PASSENGER VEHICLES AND MINI VANS, THE DRIVER'S AIR BAG INFLATOR MODULES COULD PRODUCE EXCESSIVE INTERNAL PRESSURE. IN THE EVENT OF A CRASH THAT WOULD TRIGGER A DRIVER'S AIR BAG DEPLOYMENT, THE INCREASED INTERNAL PRESSURE CAN CAUSE THE INFLATOR MODULE TO EXPLODE.

Consequence & remedy

Consequence: METAL AND PLASTIC DEBRIS COULD CAUSE SEVERE INJURY TO VEHICLE OCCUPANTS.

Remedy: DEALERS WILL REPLACE THE DRIVER AIR BAG MODULE. OWNER NOTIFICATION BEGAN FEBRUARY 1, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT PONTIAC AT 1-800-762-2737.

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

6

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.

PE07006 · Engine Compartment Fire

Opened Jan 29, 2007 · Closed Jun 12, 2007

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

ON JANUARY 29, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED NON-CRASH FIRES ORIGINATING IN THE ENGINE COMPARTMENT IN CERTAIN MODEL YEAR (MY) 1999-2002 PONTIAC GRAND PRIX GTP VEHICLES EQUIPPED WITH THE ?L67? SUPERCHARGED VERSION OF THE GENERAL MOTORS (GM) 3800 SERIES II V6 ENGINE.TO DATE, ODI IS AWARE OF 121 NON-DUPLICATIVE COMPLAINTS ON THE SUBJECT VEHICLES THAT ALLEGE NON-CRASH RELATED FIRES ORIGINATING IN THE ENGINE COMPARTMENT WHILE DRIVING OR AFTER THE VEHICLE IS PARKED AND THE IGNITION SWITCHED OFF. WHILE NO SUBJECT COMPONENT HAS YET BEEN IDENTIFIED, ODI ANALYSIS OF AVAILABLE INFORMATION INDICATES THAT THE ALLEGED FIRE INCIDENT RATE AMONG THE SUBJECT VEHICLES IS SIGNIFICANTLY HIGHER THAN GM PEER VEHICLES THAT USE THE NON-SUPERCHARGED ?L36? VERSION OF THE GM 3800 SERIES II V6 ENGINE.IN SOME CASES, THE FIRE INCIDENT RATE IS TWICE AS HIGH IN THE SUBJECT VEHICLES AND UP TO AS MUCH AS AN ORDER OF MAGNITUDE GREATER THAN IN NON-SUPERCHARGED PEER VEHICLES.FOR INSTANCE, THE SUBJECT FIRE INCIDENT RATE FOR THE SUPERCHARGED MY 2000 PONTIAC GRAND PRIX GTP IS APPROXIMATELY 236 PER 100,000 VEHICLES PRODUCED (58 FIRES / 24,509 SUBJECT VEHICLES OR 0.236%) WHILE THE FIRE INCIDENT RATE FOR MY 2000 PONTIAC GRAND PRIX VEHICLES EQUIPPED WITH THE NATURALLY ASPIRATED ?L36? ENGINE IS APPROXIMATELY 18 PER 100,000 VEHICLES PRODUCED (17 FIRES / 90,338 VEHICLES OR 0.018%). THE MANUFACTURER?S INVESTIGATION INTO ALLEGED ENGINE COMPARTMENT FIRES ON THE SUBJECT VEHICLES IS ONGOING.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-008) TO FURTHER STUDY THE FREQUENCY AND SCOPE OF THE ALLEGED DEFECT. BASED ON THE INFORMATION REVIEWED IN PE07-006, THE RANGE OF SUBJECT VEHICLES UNDER INVESTIGATION WILL BE EXPANDED TO INCLUDE ALL MY 1999-2002 BUICK PARK AVENUE, REGAL, AND RIVIERA, OLDSMOBILE LSS, AND PONTIAC BONNEVILLE AND GRAND PRIX VEHICLES THAT USE THE SAME OR SUBSTANTIALLY SIMILAR TRANSVERSE MOUNTED ?L67? ENGINE.

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.

EA01014 · Air Bag Inflator

Opened Jun 11, 2001 · Closed Aug 26, 2002

Status: closed (inferred from source dates) · Air Bags:frontal:driver Side:inflator Module

No summary supplied.

Additional source detail variants (2)

Air Bags:frontal:driver Side:inflator Module

Air Bags:frontal:driver Side:inflator Module

PE01002 · Driver Air Bag Malfunction

Opened Jan 10, 2001 · Closed Jun 11, 2001

Status: closed (inferred from source dates) · Air Bags:frontal

ODI IS AWARE OF ONE REPORTED INCIDENT OF A DRIVER-SIDE AIR BAG INFLATOR SEPARATION IN A MODEL YEAR 1999 PONTIAC GRAND PRIX.AN INVESTIGATION OF THE INCIDENT REVEALED THAT A TWO-INCH, DISK-SHAPED FRAGMENT OF THE ALUMINUM INFLATOR ASSEMBLY RUPTURED THE AIR BAG, BROKE OFF PORTIONS OF THE AIR GAB COVER FLAPS, AND STRUCK THE DRIVER.ALSO, EVIDENCE SHOWED HOT COMBUSTION GASES/PARTICULATE ESCAPED INTO THE PASSENGER COMPARTMENT.THE DRIVER SUSTAINED NUMEROUS INJURIES FROM THE INFLATOR FRAGEMENTAND HOT GASES/PARTICULATE.A TEARDOWN OF THE FAILED INFLATOR DID NOT REVEAL ANY OBSERVABLE DEFECTS OR ROOT CAUSE OF FAILURE.GM AND ITS SUPPLIERS (DELPHI AND BREAD) ARE CURRENTLY WORKING TOGETHER TO DETERMINE THE ROOT CAUSE OF THE SINGLE REPORTED FAILURE AND THE SCOPE OF THE POTENTIAL PROBLEM CONDITION IN THE FIELD.FINALLY, GM HAS STATED THAT MODEL YEAR 1998-2000 PONTIAC GRAND PRIX VEHICLES AND MODEL YEAR 1998-2001 PONTIAC MONTANA VEHICLES HAVE IDENTICAL DRIVER-SIDE AIR BAG INFLATORS.THE ENGINEERING ANALYSIS WILL COVER THESE MODEL/MODEL YEAR VEHICLES.