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2003 Chevrolet Cavalier

Owner reports · Recalls · Investigations

More warning signs than most Cavalier years

Owner complaints for the 2003 Chevrolet Cavalier are substantially higher than the model-year median of 140.

About this comparison →

When problems were reported

Mileage at the reported incident

553 reports with mileage · 125 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.

  • Fuel System, Gasoline. Review the 340 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 106 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 57 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

31 crash reports6 fire reports16 injury reports

What owners actually said

678 reports
10,000 miles · Dec 28, 2009
Fuel System, Gasoline

I HAD PURCHASED BRAND NEW CHEVROLET CAVALIER BACK IN 2003 AFTER 10K OR SO, IT STARTED STALLING DURING DRIVING WHEN THE CLUTCH IS PRESSED TO CHANGE THE GEAR OR AT TRAFFIC STOPS. THIS PROBLEMS REPEATS EVERY WEEK OR SO AND IT IS VERY DANGEROUS AS ALL THE POWER TO THE STEERING AND BRAKES IS LOST. I THINK THIS SHOULD NOT BE HAPPENING…

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I HAD PURCHASED BRAND NEW CHEVROLET CAVALIER BACK IN 2003 AFTER 10K OR SO, IT STARTED STALLING DURING DRIVING WHEN THE CLUTCH IS PRESSED TO CHANGE THE GEAR OR AT TRAFFIC STOPS. THIS PROBLEMS REPEATS EVERY WEEK OR SO AND IT IS VERY DANGEROUS AS ALL THE POWER TO THE STEERING AND BRAKES IS LOST. I THINK THIS SHOULD NOT BE HAPPENING TO A BRAND NEW VEHICLE. BECAUSE OF THIS PROBLEM I AM NEVER GOING TO BUY A GM VEHICLE AGAIN AND WILL NOT RECOMMEND OTHERS. I WOULD LIKE GM TO FIX THIS FOR ME AS IT IS A MAJOR SAFETY CONCERN. *TR

NHTSA ODI #10297132

27,500 miles · Dec 17, 2009
Electrical System

PROBLEM IS WITH INSTRUMENT CLUSTER. FIRST TACH STARTING FAILING NOW AND THEN. NOW ENGINE TEMP GAUGE IS DOING SAME THING. SOMETIMES TACH WORKS SOMETIMES IT DOESN'T. TEMP GAUGE SOMETIMES WORKS, SOMETIMES SHOWS ENGINE HOT, SOMETIMES COLD WHEN ENGINE IS AT OPERATING TEMP. PROBLEM STARTED WHILE CAR WAS BEING DRIVEN. SO FAR, NOTHING…

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PROBLEM IS WITH INSTRUMENT CLUSTER. FIRST TACH STARTING FAILING NOW AND THEN. NOW ENGINE TEMP GAUGE IS DOING SAME THING. SOMETIMES TACH WORKS SOMETIMES IT DOESN'T. TEMP GAUGE SOMETIMES WORKS, SOMETIMES SHOWS ENGINE HOT, SOMETIMES COLD WHEN ENGINE IS AT OPERATING TEMP. PROBLEM STARTED WHILE CAR WAS BEING DRIVEN. SO FAR, NOTHING HAS BEEN DONE TO FIX PROBLEM, MECHANIC SAYS COST TO FIX IS $375.00. *TR

NHTSA ODI #10296235

62,000 miles · Dec 9, 2009
Fuel System, Gasoline

THE FUEL PUMP IN MY 2003 CHEVROLET CAVALIER FAILED, WITH NO WARNING, LEAVING ME STRANDED IN MORNING RUSH HOUR TRAFFIC ON THE HIGHWAY. I HAVE READ ON SEVERAL WEBSITES THAT THIS IS A COMMON AND SOMETIMES CONTINUOUS PROBLEM WITH THIS PARTICULAR YEAR'S MODEL. I AM FILING A FORMAL COMPLAINT BECAUSE I WANT GM HELD RESPONSIBLE FOR USIN…

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THE FUEL PUMP IN MY 2003 CHEVROLET CAVALIER FAILED, WITH NO WARNING, LEAVING ME STRANDED IN MORNING RUSH HOUR TRAFFIC ON THE HIGHWAY. I HAVE READ ON SEVERAL WEBSITES THAT THIS IS A COMMON AND SOMETIMES CONTINUOUS PROBLEM WITH THIS PARTICULAR YEAR'S MODEL. I AM FILING A FORMAL COMPLAINT BECAUSE I WANT GM HELD RESPONSIBLE FOR USING DEFECTIVE FUEL PUMPS. *TR

NHTSA ODI #10295148

Mileage unknown · Nov 24, 2009
Electrical System

I OWN A 2003 CHEVY CAVALIER AND THE TEMPERATURE GAUGE DOES NOT WORK AND NOW THE RPM GAUGE ISN'T WORKING. I HAVE ABOUT 45,000 MILES ON IT AND THE DEALERSHIP SAYS I NEED TO REPLACE THE CLUSTER. AFTER DOING A LOT OF RESEARCH ON THE INTERNET ABOUT THE REPAIR, I HAVE DISCOVERED THAT THIS IS A COMMON PROBLEM AMONG ALL CAVALIERS; THE C…

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I OWN A 2003 CHEVY CAVALIER AND THE TEMPERATURE GAUGE DOES NOT WORK AND NOW THE RPM GAUGE ISN'T WORKING. I HAVE ABOUT 45,000 MILES ON IT AND THE DEALERSHIP SAYS I NEED TO REPLACE THE CLUSTER. AFTER DOING A LOT OF RESEARCH ON THE INTERNET ABOUT THE REPAIR, I HAVE DISCOVERED THAT THIS IS A COMMON PROBLEM AMONG ALL CAVALIERS; THE CLUSTER NEEDS TO BE REPAIRED. I WILL HAVE MY CAR REPAIRED THIS WEEK AND WILL NEED TO SPEND $500 TO REPAIR IT. I HAVE EVEN CALLED GMC'S CUSTOMER SERVICE TO SEE IF THEIR IS A WARRANTY ON THE PART OR A RECALL. WHY ARE CAR OWNERS SPENDING $500 PLUS TO FIX THIS PROBLEM WHEN IT IS A KNOWN PROBLEM? *TR

NHTSA ODI #10293471

78,000 miles · Nov 23, 2009
Fuel System, Gasoline

FUEL PUMP FAILURE AT 125,000 KMS. DRIVING ON HIGHWAY, CAR FAILED TO ACCELERATE. EVENTUALLY HAD TO PULL OVER, VEHICLE STALLED AND WOULD NOT RE-START. TOWED, FUEL PUMP REPLACED. *TR

NHTSA ODI #10293303

36,100 miles · Nov 16, 2009
Fuel System, Gasoline

I WAS DRIVING DOWN A BUSY ROAD IN TOWN GOING 40 MPH WHEN MY CAR STARTED TO CHUG. IT ENDED UP STALLING AND I WAS IN THE BUSY LANE, STILL DRIVING!!! I HAD TO IMMEDIATELY TURN ON MY HAZARDS AND TRY TO SLOWLY GET OUT OF EVERY OTHER DRIVERS WAY. I HAD CARS THAT HAD TO SLOW DOWN QUITE QUICKLY BEHIND ME AS I COULD NOT ACCELERATE OR DO…

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I WAS DRIVING DOWN A BUSY ROAD IN TOWN GOING 40 MPH WHEN MY CAR STARTED TO CHUG. IT ENDED UP STALLING AND I WAS IN THE BUSY LANE, STILL DRIVING!!! I HAD TO IMMEDIATELY TURN ON MY HAZARDS AND TRY TO SLOWLY GET OUT OF EVERY OTHER DRIVERS WAY. I HAD CARS THAT HAD TO SLOW DOWN QUITE QUICKLY BEHIND ME AS I COULD NOT ACCELERATE OR DO ANYTHING BUT COAST OUT OF THEIR WAY. THIS WAS THE FIRST TIME SOMETHING HAS HAPPENED LIKE THIS, I HAD THE CAR TOWED THE NEXT MORNING AS WHEN IT STALLED I WAS ON MY WAY TO WORK. IT WAS THE FUEL PUMP. I HAD BROUGHT MY CAR TO THE DEALER WHERE I BOUGHT THE CAR. MY WARRANTY WAS JUST UP ABOUT A YEAR AGO, BUT I AM SURE THIS IS NOT UNDER WARRANTY, IT COST ME $900 AND THE FACT THAT I STALLED ON A BUSY STREET. TO ME THIS WAS A VERY DANGEROUS SITUATION TO BE IN. I WAS QUITE UPSET AFTER THE WHOLE ORDEAL. *TR

NHTSA ODI #10292367

50,000 miles · Nov 13, 2009
Visibility

HVAC CABLE BENT AND THEN SNAPPED. NOW I CAN'T DEFROST THE WINDSHIELD I RAN OFF THE ROAD TODAY BECAUSE I COULD NOT SEE. I REPORTED THIS PROBLEM TO GM OVER A YEAR AGO AND THEY DIDN'T SEEM TO CARE. THEY NEVER RESPONDED TO MY LETTER. THIS IS A BIG SAFETY ISSUE. I HAVE HAD IT FIXED BY A MECHANIC 2X AND SHOULD NOT ONLY BE REIMBURSED, …

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HVAC CABLE BENT AND THEN SNAPPED. NOW I CAN'T DEFROST THE WINDSHIELD I RAN OFF THE ROAD TODAY BECAUSE I COULD NOT SEE. I REPORTED THIS PROBLEM TO GM OVER A YEAR AGO AND THEY DIDN'T SEEM TO CARE. THEY NEVER RESPONDED TO MY LETTER. THIS IS A BIG SAFETY ISSUE. I HAVE HAD IT FIXED BY A MECHANIC 2X AND SHOULD NOT ONLY BE REIMBURSED, BUT SHOULD HAVE THIS PROBLEM FIXED. IT STILL DOES NOT WORK RIGHT. HAD THE ACTUAL CABLE REPLACED AND THEN JUST HAD THE KINK CORRECTED ON IT AND IT BROKE AGAIN THE NEXT DAY. *TR

NHTSA ODI #10292080

49,900 miles · Nov 12, 2009
Fuel System, Gasoline

WHILE ACTIVELY DRIVING MY 2003 CHEVY CAVALIER MY CAR WITHOUT WARNING JUST SHUT DOWN. I WAS UNABLE TO RESTART IT AND A TOW TO THE REPAIR SHOP WAS REQUIRED. I HAD TO HAVE MY FUEL PUMP REPLACED. THIS WAS A SHOCK BECAUSE MY CAR ONLY HAS 49,900 MILES ON IT. MY MECHANIC WAS EVEN IN SHOCK AND DOESN'T UNDERSTAND WHY THAT WOULD HAPPEN. I…

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WHILE ACTIVELY DRIVING MY 2003 CHEVY CAVALIER MY CAR WITHOUT WARNING JUST SHUT DOWN. I WAS UNABLE TO RESTART IT AND A TOW TO THE REPAIR SHOP WAS REQUIRED. I HAD TO HAVE MY FUEL PUMP REPLACED. THIS WAS A SHOCK BECAUSE MY CAR ONLY HAS 49,900 MILES ON IT. MY MECHANIC WAS EVEN IN SHOCK AND DOESN'T UNDERSTAND WHY THAT WOULD HAPPEN. I WAS LUCKY ENOUGH TO BE ABLE TO GLIDE TO THE SIDE OF THE ROAD AND AVOID AN ACCIDENT. *TR

NHTSA ODI #10292008

70,740 miles · Nov 8, 2009
Fuel System, Gasoline

I'D PURCHASED MY 2003 CHEVROLET CAVALIER IN LIKE-NEW CONDITION WITH ~20K MILES. MONTHS AFTER I'D STARTED DRIVING THE VEHICLE, I NOTICED THAT WHEN I WOULD PUT THE TRANSMISSION INTO NEUTRAL(MANUAL TRANSMISSION), THE RPM WOULD DROP WELL BELOW 1000 AND SOMETIMES IT WOULD STALL. WHEN IT WOULD STALL, IT WOULDN'T START AGAIN FOR A FE…

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I'D PURCHASED MY 2003 CHEVROLET CAVALIER IN LIKE-NEW CONDITION WITH ~20K MILES. MONTHS AFTER I'D STARTED DRIVING THE VEHICLE, I NOTICED THAT WHEN I WOULD PUT THE TRANSMISSION INTO NEUTRAL(MANUAL TRANSMISSION), THE RPM WOULD DROP WELL BELOW 1000 AND SOMETIMES IT WOULD STALL. WHEN IT WOULD STALL, IT WOULDN'T START AGAIN FOR A FEW MINUTES OF SITTING. I HAD THE VEHICLE LOOKED AT AND NO ONE COULD FIND A PROBLEM. THIS PROBLEM DIDN'T OCCUR AT A REGULAR INTERVAL, BUT INSTEAD HAPPENED RANDOMLY AT LEAST ONCE WITHIN 2 OR 3 MONTHS TIME. I HAVE HAD THE CAR FOR 4.5 YEARS AND THE FUEL PUMP HAS STOPPED OPERATING COMPLETELY. THE PROBLEM WASN'T APPARENT UNTIL I TRIED STARTING MY VEHICLE ON THE MORNING OF NOVEMBER 8TH 2009 AND THE VEHICLE WOULD NOT START. THE STARTER WAS FUNCTIONING PROPERLY, BUT THE ELECTRONIC FUEL INJECTION UNIT WAS MAKING A DIFFERENT NOISE. AFTER HAVING THE VEHICLE EVALUATED, IT WAS DETERMINED THAT THE FUEL PUMP HAD BECOME INOPERABLE. THE REPLACEMENT FUEL PUMPS PRICE RANGES BETWEEN $150-250 ON AVERAGE AND LABOR WOULD COST MORE. BY DOING A LITTLE RESEARCH, IT'S OBVIOUS THAT THIS IS A COMMON CASE. AN O.E.M. FUEL PUMP ON A CAR UNDER 75K MILES SHOULD LAST LONGER THAN 5 YEARS BEFORE DETERIORATION. *TR

NHTSA ODI #10291420

60,000 miles · Nov 6, 2009
Fuel System, Gasoline

I OWN A 2003 CHEVY CAVALIER. THE FUEL PUMP WENT OUT ON IT. THE CAR ONLY HAS 60,000 MILES ON IT. EVERYTHING WAS WORKING GREAT I PULLED UP TO A STORE TURNED OFF THE CAR, RAN AN ERRAND, THEN THE CAR WOULDN'T START. I CHECKED ALL FUSES AND RELAYS, AND HIT THE BLEED OFF IN THE FUEL LINE. THE PUMP JUST QUIT. I DID SOME RESEARCH AND MA…

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I OWN A 2003 CHEVY CAVALIER. THE FUEL PUMP WENT OUT ON IT. THE CAR ONLY HAS 60,000 MILES ON IT. EVERYTHING WAS WORKING GREAT I PULLED UP TO A STORE TURNED OFF THE CAR, RAN AN ERRAND, THEN THE CAR WOULDN'T START. I CHECKED ALL FUSES AND RELAYS, AND HIT THE BLEED OFF IN THE FUEL LINE. THE PUMP JUST QUIT. I DID SOME RESEARCH AND MANY PPL BELIEVE THAT THE FUEL PUMP IN 2003 AND 2001 CAVALIERS HAS A DEFECT. IM ONE OF THOSE PEOPLE. *TR

NHTSA ODI #10291244

Official recalls

1

04V524000 · Exterior Lighting:turn Signal

Nov 1, 2004

ON CERTAIN PASSENGER VEHICLES, THE REAR LAMPS THAT PROVIDE STOP AND TURN SIGNALS AND TAIL LAMP FUNCTIONS STOP WORKING BECAUSE OF INADEQUATE CONTACT BETWEEN THE BULB AND SOCKET. IN ADDITION, IF ONE BULBS WERE TO BECOME INOPERATIVE WHILE THE VEHICLE WAS OPERATING IN CRUISE CONTROL, THE CRUISE CONTROL WOULD DISENGAGE WHEN THE REMAINING BULB WAS ACTIVATED. IF BOTH LAMPS WERE TO BECOME INOPERATIVE, THE CRUISE CONTROL WOULD NOT ENGAGE.

Consequence & remedy

Consequence: AN INOPERATIVE BRAKE LAMP WILL NOT CONVEY THE DRIVER'S INTENTION OF STOPPING TO DRIVERS IN FOLLOWING VEHICLES, AND AN INOPERATIVE REAR TURN SIGNAL LAMP WILL NOT CONVEY THE DRIVER'S INTENTION TO TURN TO DRIVERS IN FOLLOWING VEHICLES. BOTH OF THESE FAILURES CAN INCREASE THE RISK OF A CRASH.

Remedy: DEALERS WILL INSPECT THE REAR LAMP BULB SOCKET ASSEMBLIES AND APPLY GREASE OR REPLACE THEM IF NECESSARY. THE RECALL BEGAN ON JANUARY 18, 2005. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438 OR PONTIAC AT 1-800-620-7668.

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

NHTSA investigations

4

EA07015 · Engine Stalling - Fuel Pump Failure

Opened Nov 1, 2007 · Closed Oct 28, 2008

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:fuel Pump

ODI'S ANALYSIS OF THE STALLING INCIDENTS THAT HAVE RESULTED FROM SUBJECT COMPONENT FAILURES FOUND THAT THEY CAN OCCUR AT ANY SPEED AND GENERALLY RESULT IN A NO RESTART CONDITION.THESE ARE GENERALLY CONSIDERED TO BE FACTORS THAT INCREASE THE POTENTIAL SEVERITY OF STALLING INCIDENTS.HOWEVER, THESE INCIDENTS HAVE OCCURRED AT RELATIVELY LOW RATES IN THE SUBJECT VEHICLE POPULATION WHEN COMPARED WITH PRIOR INVESTIGATIONS INVOLVING SIMILAR CATEGORIES OF ENGINE STALL CONSEQUENCES.EVEN FOR THE EARLY MY 2003 PRODUCTION, WHERE HIGHER FAILURE RATES WERE NOTED, THE RATES OF PUMP FAILURES RESULTING IN ENGINE STALL ARE LOWER THAN RATES RECORDED IN PRIOR INVESTIGATIONS OF POPULATIONS THAT WERE NOT RECALLED.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.SEE DOCUMENT FILE FOR MORE INFORMATION ABOUT THIS CLOSING RESUME.

Additional source detail variants (3)

Fuel System, Gasoline:delivery:fuel Pump

ODI'S ANALYSIS OF THE STALLING INCIDENTS THAT HAVE RESULTED FROM SUBJECT COMPONENT FAILURES FOUND THAT THEY CAN OCCUR AT ANY SPEED AND GENERALLY RESULT IN A NO RESTART CONDITION.THESE ARE GENERALLY CONSIDERED TO BE FACTORS THAT INCREASE THE POTENTIAL SEVERITY OF STALLING INCIDENTS.HOWEVER, THESE INCIDENTS HAVE OCCURRED AT RELATIVELY LOW RATES IN THE SUBJECT VEHICLE POPULATION WHEN COMPARED WITH PRIOR INVESTIGATIONS INVOLVING SIMILAR CATEGORIES OF ENGINE STALL CONSEQUENCES.EVEN FOR THE EARLY MY 2003 PRODUCTION, WHERE HIGHER FAILURE RATES WERE NOTED, THE RATES OF PUMP FAILURES RESULTING IN ENGINE STALL ARE LOWER THAN RATES RECORDED IN PRIOR INVESTIGATIONS OF POPULATIONS THAT WERE NOT RECALLED.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.SEE DOCUMENT FILE FOR MORE INFORMATION ABOUT THIS CLOSING RESUME.

Fuel System, Gasoline:delivery

ODI'S ANALYSIS OF THE STALLING INCIDENTS THAT HAVE RESULTED FROM SUBJECT COMPONENT FAILURES FOUND THAT THEY CAN OCCUR AT ANY SPEED AND GENERALLY RESULT IN A NO RESTART CONDITION.THESE ARE GENERALLY CONSIDERED TO BE FACTORS THAT INCREASE THE POTENTIAL SEVERITY OF STALLING INCIDENTS.HOWEVER, THESE INCIDENTS HAVE OCCURRED AT RELATIVELY LOW RATES IN THE SUBJECT VEHICLE POPULATION WHEN COMPARED WITH PRIOR INVESTIGATIONS INVOLVING SIMILAR CATEGORIES OF ENGINE STALL CONSEQUENCES.EVEN FOR THE EARLY MY 2003 PRODUCTION, WHERE HIGHER FAILURE RATES WERE NOTED, THE RATES OF PUMP FAILURES RESULTING IN ENGINE STALL ARE LOWER THAN RATES RECORDED IN PRIOR INVESTIGATIONS OF POPULATIONS THAT WERE NOT RECALLED.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.SEE DOCUMENT FILE FOR MORE INFORMATION ABOUT THIS CLOSING RESUME.

Fuel System, Gasoline

ODI'S ANALYSIS OF THE STALLING INCIDENTS THAT HAVE RESULTED FROM SUBJECT COMPONENT FAILURES FOUND THAT THEY CAN OCCUR AT ANY SPEED AND GENERALLY RESULT IN A NO RESTART CONDITION.THESE ARE GENERALLY CONSIDERED TO BE FACTORS THAT INCREASE THE POTENTIAL SEVERITY OF STALLING INCIDENTS.HOWEVER, THESE INCIDENTS HAVE OCCURRED AT RELATIVELY LOW RATES IN THE SUBJECT VEHICLE POPULATION WHEN COMPARED WITH PRIOR INVESTIGATIONS INVOLVING SIMILAR CATEGORIES OF ENGINE STALL CONSEQUENCES.EVEN FOR THE EARLY MY 2003 PRODUCTION, WHERE HIGHER FAILURE RATES WERE NOTED, THE RATES OF PUMP FAILURES RESULTING IN ENGINE STALL ARE LOWER THAN RATES RECORDED IN PRIOR INVESTIGATIONS OF POPULATIONS THAT WERE NOT RECALLED.FURTHER INVESTIGATION OF THIS MATTER WOULD NOT BE AN EFFICIENT ALLOCATION OF AGENCY RESOURCES.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL CONTINUE TO MONITOR COMPLAINTS AND OTHER INFORMATION RELATING TO THE ALLEGED DEFECT IN THE SUBJECT VEHICLES AND TAKE FURTHER ACTION IN THE FUTURE IF WARRANTED.SEE DOCUMENT FILE FOR MORE INFORMATION ABOUT THIS CLOSING RESUME.

PE07033 · Fuel Pump Failure

Opened Jun 28, 2007 · Closed Nov 1, 2007

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery; Fuel System, Gasoline:delivery:fuel Pump

AN ENGINEERING ANALYSIS HAS BEEN OPENED TO FURTHER INVESTIGATE THE SCOPE, FREQUENCY AND POTENTIAL SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.GENERAL MOTORS (GM) HAS IDENTIFIED AN ISSUE WITH ACCELERATED MOTOR BRUSH WEAR IN THE FUEL PUMP ASSEMBLY OF MODEL YEAR (MY) 2001 THROUGH 2003 CHEVROLET VEHICLES THAT CAN CAUSE THE PUMP TO STOP OPERATING.GENERAL MOTORS INDICATED THAT PEROXIDE OR SULFUR, WHICH ARE BOTH PRESENT IN VARYING AMOUNTS IN GASOLINE, CAN REACT WITH THE COPPER COMMUTATOR OF THE PUMP MOTOR AND CORRODE/ROUGHEN THE SURFACE.A ROUGH COMMUTATOR SURFACE INCREASES THE RATE OF BRUSH WEAR.THE INCREASED ELECTRICAL RESISTANCE CAUSED BY DEGRADATION OF THE BRUSH-COMMUTATOR INTERFACE INHIBITS CURRENT FLOW THROUGH THE MOTOR WINDINGS.ACCORDING TO GM, THE CONDITION WILL USUALLY RESULT IN A NO-START CONDITION BECAUSE OF THE HIGH CURRENT REQUIRED DURING START-UP.WHEN THE ALLEGED DEFECT DOES CAUSE A STALL WHILE DRIVING INCIDENT, THE VEHICLE TYPICALLY CANNOT BE RESTARTED.GM'S ANALYSIS OF WARRANT CLAIMS SHOWED THAT NO START/HARD START WAS THE MOST COMMON CONDITION AND THE FREQUENCY OF CLAIMS ASSOCIATED WITH STALL WHILE DRIVING INCIDENTS WAS TOO LOW TO WARRANT FIELD ACTION. THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-015) TO FURTHER ASSESS THE COMPLAINT AND WARRANTY CLAIM DATA AND THE ANALYSES PROVIDED BY GM.

Additional source detail variants (3)

Fuel System, Gasoline:delivery:fuel Pump

AN ENGINEERING ANALYSIS HAS BEEN OPENED TO FURTHER INVESTIGATE THE SCOPE, FREQUENCY AND POTENTIAL SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.GENERAL MOTORS (GM) HAS IDENTIFIED AN ISSUE WITH ACCELERATED MOTOR BRUSH WEAR IN THE FUEL PUMP ASSEMBLY OF MODEL YEAR (MY) 2001 THROUGH 2003 CHEVROLET VEHICLES THAT CAN CAUSE THE PUMP TO STOP OPERATING.GENERAL MOTORS INDICATED THAT PEROXIDE OR SULFUR, WHICH ARE BOTH PRESENT IN VARYING AMOUNTS IN GASOLINE, CAN REACT WITH THE COPPER COMMUTATOR OF THE PUMP MOTOR AND CORRODE/ROUGHEN THE SURFACE.A ROUGH COMMUTATOR SURFACE INCREASES THE RATE OF BRUSH WEAR.THE INCREASED ELECTRICAL RESISTANCE CAUSED BY DEGRADATION OF THE BRUSH-COMMUTATOR INTERFACE INHIBITS CURRENT FLOW THROUGH THE MOTOR WINDINGS.ACCORDING TO GM, THE CONDITION WILL USUALLY RESULT IN A NO-START CONDITION BECAUSE OF THE HIGH CURRENT REQUIRED DURING START-UP.WHEN THE ALLEGED DEFECT DOES CAUSE A STALL WHILE DRIVING INCIDENT, THE VEHICLE TYPICALLY CANNOT BE RESTARTED.GM'S ANALYSIS OF WARRANT CLAIMS SHOWED THAT NO START/HARD START WAS THE MOST COMMON CONDITION AND THE FREQUENCY OF CLAIMS ASSOCIATED WITH STALL WHILE DRIVING INCIDENTS WAS TOO LOW TO WARRANT FIELD ACTION. THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-015) TO FURTHER ASSESS THE COMPLAINT AND WARRANTY CLAIM DATA AND THE ANALYSES PROVIDED BY GM.

Fuel System, Gasoline:delivery

AN ENGINEERING ANALYSIS HAS BEEN OPENED TO FURTHER INVESTIGATE THE SCOPE, FREQUENCY AND POTENTIAL SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.GENERAL MOTORS (GM) HAS IDENTIFIED AN ISSUE WITH ACCELERATED MOTOR BRUSH WEAR IN THE FUEL PUMP ASSEMBLY OF MODEL YEAR (MY) 2001 THROUGH 2003 CHEVROLET VEHICLES THAT CAN CAUSE THE PUMP TO STOP OPERATING.GENERAL MOTORS INDICATED THAT PEROXIDE OR SULFUR, WHICH ARE BOTH PRESENT IN VARYING AMOUNTS IN GASOLINE, CAN REACT WITH THE COPPER COMMUTATOR OF THE PUMP MOTOR AND CORRODE/ROUGHEN THE SURFACE.A ROUGH COMMUTATOR SURFACE INCREASES THE RATE OF BRUSH WEAR.THE INCREASED ELECTRICAL RESISTANCE CAUSED BY DEGRADATION OF THE BRUSH-COMMUTATOR INTERFACE INHIBITS CURRENT FLOW THROUGH THE MOTOR WINDINGS.ACCORDING TO GM, THE CONDITION WILL USUALLY RESULT IN A NO-START CONDITION BECAUSE OF THE HIGH CURRENT REQUIRED DURING START-UP.WHEN THE ALLEGED DEFECT DOES CAUSE A STALL WHILE DRIVING INCIDENT, THE VEHICLE TYPICALLY CANNOT BE RESTARTED.GM'S ANALYSIS OF WARRANT CLAIMS SHOWED THAT NO START/HARD START WAS THE MOST COMMON CONDITION AND THE FREQUENCY OF CLAIMS ASSOCIATED WITH STALL WHILE DRIVING INCIDENTS WAS TOO LOW TO WARRANT FIELD ACTION. THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-015) TO FURTHER ASSESS THE COMPLAINT AND WARRANTY CLAIM DATA AND THE ANALYSES PROVIDED BY GM.

Fuel System, Gasoline

AN ENGINEERING ANALYSIS HAS BEEN OPENED TO FURTHER INVESTIGATE THE SCOPE, FREQUENCY AND POTENTIAL SAFETY-RELATED CONSEQUENCES OF THE ALLEGED DEFECT.GENERAL MOTORS (GM) HAS IDENTIFIED AN ISSUE WITH ACCELERATED MOTOR BRUSH WEAR IN THE FUEL PUMP ASSEMBLY OF MODEL YEAR (MY) 2001 THROUGH 2003 CHEVROLET VEHICLES THAT CAN CAUSE THE PUMP TO STOP OPERATING.GENERAL MOTORS INDICATED THAT PEROXIDE OR SULFUR, WHICH ARE BOTH PRESENT IN VARYING AMOUNTS IN GASOLINE, CAN REACT WITH THE COPPER COMMUTATOR OF THE PUMP MOTOR AND CORRODE/ROUGHEN THE SURFACE.A ROUGH COMMUTATOR SURFACE INCREASES THE RATE OF BRUSH WEAR.THE INCREASED ELECTRICAL RESISTANCE CAUSED BY DEGRADATION OF THE BRUSH-COMMUTATOR INTERFACE INHIBITS CURRENT FLOW THROUGH THE MOTOR WINDINGS.ACCORDING TO GM, THE CONDITION WILL USUALLY RESULT IN A NO-START CONDITION BECAUSE OF THE HIGH CURRENT REQUIRED DURING START-UP.WHEN THE ALLEGED DEFECT DOES CAUSE A STALL WHILE DRIVING INCIDENT, THE VEHICLE TYPICALLY CANNOT BE RESTARTED.GM'S ANALYSIS OF WARRANT CLAIMS SHOWED THAT NO START/HARD START WAS THE MOST COMMON CONDITION AND THE FREQUENCY OF CLAIMS ASSOCIATED WITH STALL WHILE DRIVING INCIDENTS WAS TOO LOW TO WARRANT FIELD ACTION. THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA07-015) TO FURTHER ASSESS THE COMPLAINT AND WARRANTY CLAIM DATA AND THE ANALYSES PROVIDED BY GM.

EA04028 · Turn Signal Malfunction

Opened Sep 14, 2004 · Closed Nov 22, 2004

Status: closed (inferred from source dates) · Exterior Lighting:turn Signal

ON MAY 14, 2004 THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE04-043) BASED ON CONSUMER COMPLAINTS ALLEGING THAT THE BRAKE/TAIL TURN SIGNAL LAMPS WOULD NOT OPERATE PROPERLY WHEN EITHER THE TAIL LIGHTS WERE TURNED ON, THE BRAKE PEDAL WAS DEPRESSED, OR WHEN THE TURN SIGNAL SWITCH WAS ACTIVATED.ON SEPTEMBER 14, 2004 ODI UPGRADED PE 04-043 TO AN ENGINEERING ANALYSIS (EA04-028).GM STATES THAT SOME BRAKE/TAIL/TURN SIGNAL LAMP BULBS CAN PREMATURELY BECOME INOPERATIVE DUE TO EXCESSIVE HEAT BUILDUP WITHIN THE BULB SOCKETS.THE CAUSE OF THE EXCESSIVE HEAT BUILD UP WAS DETERMINED TO BE A LACK OF THERMAL GREASE PLACED IN BETWEEN THE BULB AND THE SOCKET. BY LETTER DATED OCTOBER 27, 2004 GM NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA # 04V524) COVERING ALL MY 2003 VEHICLES.GM DEALERS WILL INSPECT THE REAR LAMP BULB SOCKET ASSEMBLIES AND APPLY THERMAL GREASE TO THEM OR REPLACE THEM WITH NEW ASSEMBLIES WITH THERMAL GREASE ALREADY ATTACHED.MODEL YEAR 2004 AND NEWER VEHICLES HAVE THE THERMAL GREASE INSTALLED FROM THE FACTORY. THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.

PE04043 · Turn Signal Malfunction

Opened May 14, 2004 · Closed Sep 14, 2004

Status: closed (inferred from source dates) · Exterior Lighting:turn Signal

COMPLAINANTS ALLEGE THAT THE REAR TURN SIGNALS FAIL TO ILLUMINATE AND DO NOT PROVIDE A SIGNAL TO DRIVERS IN FOLLOWING VEHICLES.ODI HAS RECEIVED ONE REPORT OF A CRASH WHERE THE COMPLAINANT BRAKED AND ATTEMPTED TO MAKE A LEFT TURN AND THE FOLLOWING VEHICLE IMPACTED THE COMPLAINANT'S VEHICLE IN THE DRIVER-SIDE DOOR.IN MAY 2002, GM'S SUPPLIER MADE CHANGES TO THE BULB SOCKET THAT INCLUDED STOPPING THE USE OF THERMAL-MASTIC GREASE IN THE BULB SOCKET.GM REPORTS THAT THE GREASE REDUCES ARCING AT THE CONTACTS AND DISSIPATES HEAT THUS PREVENTING MELTING OF THE SOCKET MATERIAL OR BURNING OF THE CONTACTS.MOST OF THE SUBJECT VEHICLES WERE PRODUCED WITHOUT GREASE APPLIED TO THE BULB SOCKET.IN JUNE 2003, GM DIRECTED THE SUPPLIER TO RESUME THE USE OF GREASE IN THE SOCKET.GM ISSUED TECHNICAL SERVICE BULLETIN (TSB) 04-08-42-004A ON JULY 15, 2004 ADVISING TECHNICIANS TO MAKE SURE THAT ADEQUATE AMOUNTS OF GREASE WERE ADDED TO THE BULB SOCKETS ON ALL SERVICE PARTS.ODI WILL UPGRADE THIS INVESTIGATION TO EA 04-028 TO FURTHER EXAMINE THE ISSUE.