NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
86 reportsClear category filter100,000 miles · Feb 22, 2016
EngineFire
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED SMOKE WAS VISIBLE FROM UNDER THE VEHICLE. IN ADDITION, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) HOWEVER THE PARTS TO DO THE REPAIR WERE NOT AVAILABLE. THE CONTACT…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED SMOKE WAS VISIBLE FROM UNDER THE VEHICLE. IN ADDITION, THE CHECK ENGINE WARNING LIGHT ILLUMINATED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) HOWEVER THE PARTS TO DO THE REPAIR WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR RECALL REPAIR. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 100,000. PARTS DISTRIBUTION DISCONNECT.
NHTSA ODI #10837411
62,000 miles · Feb 10, 2016
EngineFire
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. WHILE DRIVING APPROXIMATELY 30 MPH, A BURNING ODOR EMITTED FROM THE VEHICLE AS THE FRONT END CAUGHT FIRE WITHOUT WARNING. THE FIRE EXTINGUISHED ITSELF INDEPENDENTLY. A FIRE REPORT WAS NOT FILED AND NO INJURIES WERE REPORTED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEH…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. WHILE DRIVING APPROXIMATELY 30 MPH, A BURNING ODOR EMITTED FROM THE VEHICLE AS THE FRONT END CAUGHT FIRE WITHOUT WARNING. THE FIRE EXTINGUISHED ITSELF INDEPENDENTLY. A FIRE REPORT WAS NOT FILED AND NO INJURIES WERE REPORTED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS 62,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #10825274
Mileage unknown · Feb 5, 2016
Engine
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWAR…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE.
NHTSA ODI #10824541
Mileage unknown · Jan 29, 2016
Engine
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THERE WAS AN INTERNAL LEAK OF OIL ONTO THE EXHAUST MANIFOLD THAT CAUSED EXCESSIVE SMOKE UNDER THE HOOD. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) MONTHS LATER AND THE PART WAS NOT AVAILABLE TO RECEIVE THE RE…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THERE WAS AN INTERNAL LEAK OF OIL ONTO THE EXHAUST MANIFOLD THAT CAUSED EXCESSIVE SMOKE UNDER THE HOOD. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) MONTHS LATER AND THE PART WAS NOT AVAILABLE TO RECEIVE THE RECALL REMEDY. THE CONTACT WAS UNABLE TO DETERMINE WHEN THE VEHICLE WOULD BE REPAIRED. THE FAILURE MILEAGE WAS NOT AVAILABLE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #10823081
Mileage unknown · Jan 25, 2016
EngineFire
TL* THE CONTACT OWNED A 2002 PONTIAC GRAND PRIX. UPON PARKING THE VEHICLE IN A PARKING SPACE AT AN APARTMENT COMPLEX, THE CONTACT EXITED THE VEHICLE. SHORTLY AFTER, A FIRE ERUPTED UNDER THE HOOD. THE FIRE DEPARTMENT EXTINGUISHED THE FLAMES. THE VEHICLE WAS DESTROYED AND THE CAUSE OF THE FIRE WAS NOT INVESTIGATED BY THE INSURANCE…
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TL* THE CONTACT OWNED A 2002 PONTIAC GRAND PRIX. UPON PARKING THE VEHICLE IN A PARKING SPACE AT AN APARTMENT COMPLEX, THE CONTACT EXITED THE VEHICLE. SHORTLY AFTER, A FIRE ERUPTED UNDER THE HOOD. THE FIRE DEPARTMENT EXTINGUISHED THE FLAMES. THE VEHICLE WAS DESTROYED AND THE CAUSE OF THE FIRE WAS NOT INVESTIGATED BY THE INSURANCE COMPANY. A FIRE INSPECTION REPORT WAS FILED. THE CONTACT LATER RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING) AND WAS UNABLE TO RECEIVE THE RECALL REPAIR BECAUSE THE FAILURE HAPPENED YEARS BEFORE THE RECALL WAS ADDED TO THE VIN. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS NOT AVAILABLE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #10822137
158,000 miles · Jan 22, 2016
EngineFire
THE CAR WAS SITTING IN THE PARKING LOT AT MY HUSBAND'S WORKPLACE. HE CAME OUT AND STARTED THE ENGINE LIKE ANY OTHER DAY AND SMOKE STARTED POURING OUT OF THE A/C VENTS. SO, HE QUICKLY SHUT OFF THE CAR AND GOT OUT. THE ENTIRE ENGINE COMPARTMENT WAS ON FIRE. HE HAD TO USE A FIRE EXTINGUISHER TO PUT IT OUT.
NHTSA ODI #10821790
210,000 miles · Jan 21, 2016
EngineFire
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE UNOCCUPIED VEHICLE WAS PARKED AND SMALL FLAMES IGNITED FROM UNDERNEATH THE HOOD. THE CONTACT EXTINGUISHED THE FLAMES HIMSELF. A FIRE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE.…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE UNOCCUPIED VEHICLE WAS PARKED AND SMALL FLAMES IGNITED FROM UNDERNEATH THE HOOD. THE CONTACT EXTINGUISHED THE FLAMES HIMSELF. A FIRE REPORT WAS NOT FILED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING); HOWEVER, THE PART NEEDED TO PERFORM THE REPAIR WAS UNAVAILABLE. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 210,000. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #10821371
Mileage unknown · Jan 11, 2016
Engine
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT RECEIVED A NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE, ENGINE COOLING) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AW…
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT RECEIVED A NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE, ENGINE COOLING) HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #10819294
159,576 miles · Jan 5, 2016
EngineFire
ON NOVEMBER 4TH, 2015- WHEN WE STARTED OUR CAR A LOUD POPPING SOUND WAS HEARD, IMMEDIATELY WE TURNED THE IGNITION OFF. THINKING MAYBE IT WASN'T THE CAR THAT MADE A SOUND, WE RESTARTED THE CAR. THE RPM'S SHOT UP AND WHITE SMOKE STARTING FILLING THE INTERIOR OF THE CAR. TURN IGNITION BACK OFF AND JUMPED OUT AND OPENED THE HOOD, TH…
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ON NOVEMBER 4TH, 2015- WHEN WE STARTED OUR CAR A LOUD POPPING SOUND WAS HEARD, IMMEDIATELY WE TURNED THE IGNITION OFF. THINKING MAYBE IT WASN'T THE CAR THAT MADE A SOUND, WE RESTARTED THE CAR. THE RPM'S SHOT UP AND WHITE SMOKE STARTING FILLING THE INTERIOR OF THE CAR. TURN IGNITION BACK OFF AND JUMPED OUT AND OPENED THE HOOD, THINKING IT MAY HAVE BEEN THE RADIATOR THAT CRACKED. THE ENGINE COMPARTMENT WAS ON FIRE. FIRE WAS EXTINGUISHED. RECALL 15757 WASN'T RECEIVED UNTIL DECEMBER 2015. I TRIED TO REACH A LOCAL GMC DEALERSHIP ABOUT THIS ISSUE, HAVE NOT RECEIVED A CALL BACK YET.
NHTSA ODI #10818071
191,000 miles · Jan 5, 2016
Electrical SystemEngineEngine And Engine CoolingFire
TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, SHE NOTICED SMOKE COMING FROM UNDER THE HOOD OF THE VEHICLE. THE CONTACT PULLED OVER AND DISCOVERED THAT THE COOLANT AND ENGINE OIL WAS LOW. THE CONTACT REFILLED THE FLUIDS AND THE VEHICLE WAS RESTARTED. IN ADDITION, THE …
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TL* THE CONTACT OWNS A 2002 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 50 MPH, SHE NOTICED SMOKE COMING FROM UNDER THE HOOD OF THE VEHICLE. THE CONTACT PULLED OVER AND DISCOVERED THAT THE COOLANT AND ENGINE OIL WAS LOW. THE CONTACT REFILLED THE FLUIDS AND THE VEHICLE WAS RESTARTED. IN ADDITION, THE CONTACT STATED THAT WHEN THE VEHICLE WAS STARTED, SMOKE EMITTED FROM THE VEHICLE INTERMITTENTLY. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE VEHICLE WAS LEAKING COOLANT AND ENGINE OIL AND THE VALVE COVER GASKET NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE CONTACT ALSO MENTIONED THAT THE IGNITION LOCKED AND THE IGNITION KEY FAILED TO BE REMOVED FROM THE VEHICLE. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 15V701000 (ENGINE AND ENGINE COOLING). THE FAILURE MILEAGE WAS 191,000. UPDATED 03/15/16*LJ *TR
NHTSA ODI #10818064
Official recalls
3Oct 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 engines 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 engines 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 engines 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.
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 ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINES 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.
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 ENGINES FRONT VALVE COVER AND FRONT-VALVE-COVER GASKET WITH NEW PARTS OF AN IMPROVED DESIGN AND REMOVE THE ENGINES 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> .
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
4EA07008 · 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.
PE07001 · Loss Of Brake Lamp Illumination
Opened Jan 17, 2007 · Closed Apr 30, 2007
Status: closed (inferred from source dates) · Electrical System; Exterior Lighting:brake Lights
THE AGENCY'S ANALYSIS OF GM'S COMPLAINT AND WARRANTY DATA FOR THE SUBJECT VEHICLES, INCLUDING A COMPARISON WITH OTHER AGENCY AND MANUFACTURER DATA PERTAINING TO OTHER VEHICLE BRAKE LAMP INVESTIGATIONS, INDICATED A LOW FAILURE HISTORY FOR THE SUBJECT VEHICLES.THIS INVESTIGATION INCLUDED A REVIEW AND ANALYSIS OF DATA FOR RELEVANT BRAKE LAMP MALFUNCTIONS THAT REQUIRE REPLACEMENT OF THE MULTIFUNCTION SWITCH (MFS) MODULE.THE HAZARD WARNING SWITCH IS AN INTEGRAL PART OF THE MFS MODULE.OTHER COMPONENTS THAT AFFECT BRAKE LAMP ILLUMINATION SUCH AS WIRING, BULB SOCKETS, AND THE PLUNGER-TYPE BRAKE LAMP SWITCH, WERE NOT A PART OF THIS INVESTIGATION.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (2)
Electrical System
THE AGENCY'S ANALYSIS OF GM'S COMPLAINT AND WARRANTY DATA FOR THE SUBJECT VEHICLES, INCLUDING A COMPARISON WITH OTHER AGENCY AND MANUFACTURER DATA PERTAINING TO OTHER VEHICLE BRAKE LAMP INVESTIGATIONS, INDICATED A LOW FAILURE HISTORY FOR THE SUBJECT VEHICLES.THIS INVESTIGATION INCLUDED A REVIEW AND ANALYSIS OF DATA FOR RELEVANT BRAKE LAMP MALFUNCTIONS THAT REQUIRE REPLACEMENT OF THE MULTIFUNCTION SWITCH (MFS) MODULE.THE HAZARD WARNING SWITCH IS AN INTEGRAL PART OF THE MFS MODULE.OTHER COMPONENTS THAT AFFECT BRAKE LAMP ILLUMINATION SUCH AS WIRING, BULB SOCKETS, AND THE PLUNGER-TYPE BRAKE LAMP SWITCH, WERE NOT A PART OF THIS INVESTIGATION.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Exterior Lighting:brake Lights
THE AGENCY'S ANALYSIS OF GM'S COMPLAINT AND WARRANTY DATA FOR THE SUBJECT VEHICLES, INCLUDING A COMPARISON WITH OTHER AGENCY AND MANUFACTURER DATA PERTAINING TO OTHER VEHICLE BRAKE LAMP INVESTIGATIONS, INDICATED A LOW FAILURE HISTORY FOR THE SUBJECT VEHICLES.THIS INVESTIGATION INCLUDED A REVIEW AND ANALYSIS OF DATA FOR RELEVANT BRAKE LAMP MALFUNCTIONS THAT REQUIRE REPLACEMENT OF THE MULTIFUNCTION SWITCH (MFS) MODULE.THE HAZARD WARNING SWITCH IS AN INTEGRAL PART OF THE MFS MODULE.OTHER COMPONENTS THAT AFFECT BRAKE LAMP ILLUMINATION SUCH AS WIRING, BULB SOCKETS, AND THE PLUNGER-TYPE BRAKE LAMP SWITCH, WERE NOT A PART OF THIS INVESTIGATION.A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AND THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
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.