← New search

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

Electrical System complaints

106 reports
Clear category filter
Mileage unknown · Jul 14, 2009
Electrical SystemFuel System, Gasoline

I HAVE REPLACED FUEL PUMP 3 TIMES. CLUSTER PANEL WORKS OCCASIONALLY. *TR

NHTSA ODI #10276821

39,000 miles · Jun 7, 2009
Electrical System

THE INSTRUMENT CLUSTER ON MY 2003 CHEVY CAVALIER WENT CRAZY JUST BEFORE 40, 000 MILES. SOMETIMES IT WORKS, SOMETIMES THE GAUGES TAKE TURNS WORKING OR NOT WORKING, SOMETIMES NOTHING WORKS. SOME DAYS I DON'T KNOW HOW FAST I'M GOING, HOW HOT MY CAR'S RUNNING, OR HOW MUCH GAS I HAVE....NOT TO MENTION RPMS. THIS IS VERY UNSAFE, AND A…

Read full complaint

THE INSTRUMENT CLUSTER ON MY 2003 CHEVY CAVALIER WENT CRAZY JUST BEFORE 40, 000 MILES. SOMETIMES IT WORKS, SOMETIMES THE GAUGES TAKE TURNS WORKING OR NOT WORKING, SOMETIMES NOTHING WORKS. SOME DAYS I DON'T KNOW HOW FAST I'M GOING, HOW HOT MY CAR'S RUNNING, OR HOW MUCH GAS I HAVE....NOT TO MENTION RPMS. THIS IS VERY UNSAFE, AND AT 40K, I FEEL IT'S A BIT PREMATURE. *TR

NHTSA ODI #10273037

10,000 miles · May 11, 2009
Electrical SystemFire

JANUARY 14,2009 MY CAR ALMOST CAUGHT ON FIRE DUE TO ACID FROM MY BATTERY LIKING INTO THE BATTERY PAN. I HAD TO UNHOOK THE BATTERY AND TAKE IT OUT OF THE CAR. MY STEP SON WAS DRIVING BY MY HOUSE WHEN MY CARS LIGHTS WERE ON ANDTHE CAR HAD BEEN SITTING FOR ABOUT 3 HOURS. I WENT OUTSIDE AND THE LIGHTS WERE VERY DIM. I TRIED TO S…

Read full complaint

JANUARY 14,2009 MY CAR ALMOST CAUGHT ON FIRE DUE TO ACID FROM MY BATTERY LIKING INTO THE BATTERY PAN. I HAD TO UNHOOK THE BATTERY AND TAKE IT OUT OF THE CAR. MY STEP SON WAS DRIVING BY MY HOUSE WHEN MY CARS LIGHTS WERE ON ANDTHE CAR HAD BEEN SITTING FOR ABOUT 3 HOURS. I WENT OUTSIDE AND THE LIGHTS WERE VERY DIM. I TRIED TO START IT UP AND THE CAR STARTED SMOKING AND I IMMEDIATELY TURNED THE CAR OFF. THERE WERE SPARKS SO I HAD TO PUT OUT THE SMALL FLAME AND REMOVE THE BATTERY. I HAD THE CAR TOWED TO PARKER PONTIAC BUICK GMC THAT SAME DAY. THE SMALL FIRE BURNED THROUGH MY WINDSHIELD WASHER FLUID LINE THE COST TO ME FOR REPAIR OF THE SMALL FIRE WAS ABOUT 487.00. *TR

NHTSA ODI #10268359

68,000 miles · Apr 15, 2009
Electrical System

THE CLUSTER BOARD HAS GONE OUT. IT DOES NOT LIGHT UP, THE SPEEDOMETER, THE FUEL GAGE AND RPM GAGE ALL DOES NOT WORK. CHEVY HAS ALREADY RECALLED TRUCKS FOR THIS PROBLEM BUT I HAVE A CAVALIER AND ON EBAY YOU CAN BUY A FIXED CLUSTER BOARD AND SEND BACK YOUR OLD ONE AND GET 100.00 BACK SO IT MUST BE A BIG PROBLEM NOT JUST MY CAR. *T…

Read full complaint

THE CLUSTER BOARD HAS GONE OUT. IT DOES NOT LIGHT UP, THE SPEEDOMETER, THE FUEL GAGE AND RPM GAGE ALL DOES NOT WORK. CHEVY HAS ALREADY RECALLED TRUCKS FOR THIS PROBLEM BUT I HAVE A CAVALIER AND ON EBAY YOU CAN BUY A FIXED CLUSTER BOARD AND SEND BACK YOUR OLD ONE AND GET 100.00 BACK SO IT MUST BE A BIG PROBLEM NOT JUST MY CAR. *TR

NHTSA ODI #10265444

50,251 miles · Mar 23, 2009
Electrical System

MY SPEEDOMETER IS GOING CRAZY AND IS AT THE 6 O'CLOCK POSITION. NEXT THE TEMPERATURE GAUGE WENT ALL THE UP AND BOTH OF THESE STAYED AFTER TURNING OFF THE CAR. THE CAR IS ALSO MAKE A STRANGE NOISE. *TR

NHTSA ODI #10262853

Mileage unknown · Mar 14, 2009
Electrical System

MY SPEEDOMETER WAS ACTING UP FOR A YEAR. WHILE I WAS DRIVING IT WOULD STOP. WHEN I WOULD COME TO A COMPLETE STOP IT WAS STUCK ON 65MPH. MADE DRIVING HAZARDOUS NOT KNOWING EXACTLY HOW FAST I WAS DRIVING.IF I LET IT SIT FOR AWHILE AND COOL OF I WOULD START IT BACK UP AND THE SPEEDOMETER METER WOULD GO DOWN ABOUT 10 MPH SO I WOULD …

Read full complaint

MY SPEEDOMETER WAS ACTING UP FOR A YEAR. WHILE I WAS DRIVING IT WOULD STOP. WHEN I WOULD COME TO A COMPLETE STOP IT WAS STUCK ON 65MPH. MADE DRIVING HAZARDOUS NOT KNOWING EXACTLY HOW FAST I WAS DRIVING.IF I LET IT SIT FOR AWHILE AND COOL OF I WOULD START IT BACK UP AND THE SPEEDOMETER METER WOULD GO DOWN ABOUT 10 MPH SO I WOULD BEAT 55MPH INSTEAD OF 65MPH. EVERYTIME I WOULD START THE CAR IT WOULD GO DOWN FURTHER. THEN IT WOULD WORK PROPERLY FOR A FEW MONTHS W/O ACTING UP AND THEN START ALL OVER AGAIN. THIS WENT ON FOR ABOUT A YEAR. WHEN I FINALLY HAD IT REPLACED IT COMPLETELY STOPPED WORKING THE NEEDLE REGISTERED 110 MPH AND WAS NOT COMING BACK DOWN. I HAD TO WAIT 2 WEEKS BEFORE THE DEALERSHIP WAS ABLE TO REPLACE THE INSTRUMENT PANEL B/C THE HAD TO ORDER THE PART THEY WERE COMPLETELY OUT OF STOCK. THEY TOLD ME THEY'VE HAD TO REPLACE THE IP IN ALOT OF VEHICLES LATELY. *TR

NHTSA ODI #10261802

92,000 miles · Feb 17, 2009
Electrical SystemFuel System, Gasoline

PURCHASED A 2003 CHEVY CAVALIER IN SEPT. 2008 FOR MY DAUGHTER TO GO TO COLLEGE. HAD A CARFAX REPORT DONE AND FOUND NOTHING, CLEAN REPORT. 2 DAYS AFTER PURCHASE, INST. CLUSTER WENT BAD, NOT WORKING AT ALL. DEC. 08 THE FUEL PUMP WENT BAD. AFTER RESEARCHING THE INTERNET, I HAVE FOUND THOUSANDS OF THE SAME COMPLAINTS AS MINE. I HAVE…

Read full complaint

PURCHASED A 2003 CHEVY CAVALIER IN SEPT. 2008 FOR MY DAUGHTER TO GO TO COLLEGE. HAD A CARFAX REPORT DONE AND FOUND NOTHING, CLEAN REPORT. 2 DAYS AFTER PURCHASE, INST. CLUSTER WENT BAD, NOT WORKING AT ALL. DEC. 08 THE FUEL PUMP WENT BAD. AFTER RESEARCHING THE INTERNET, I HAVE FOUND THOUSANDS OF THE SAME COMPLAINTS AS MINE. I HAVE EVEN FOUND WEBSITES ADVERTISING TO REBUILD THE CLUSTER AS SO MANY ARE DEFECTIVE. NOW IF THIS ISN'T ENOUGH TO SEE THE MAJOR PROBLEM, I DON'T KNOW WHAT IS. I FEEL THAT ENOUGH INFORMATION IS OUT ON THE INTERNET TO WARRANT A RECALL ON BOTH ISSUES BEFORE THE PUBLIC HAS TO SPEND ALL THEIR MONEY TO FIX GM'S FAULTY PARTS THAT BREAK DOWN SO QUICKLY. JUST THESE 2 REPAIRS COST $500.00 EACH. *TR

NHTSA ODI #10258897

55,000 miles · Feb 16, 2009
Electrical System

SPEEDOMETER FAILS TO READ CORRECT SPEED. HAS NOT READ CORRECT SPEED SINCE CAR REACHED 55,000 MILES ON ODOMETER. OCCASIONALLY SPEEDOMETER WILL RESET ITSELF, BUT AFTER 10-15 MINUTES DRIVING, WILL CLIMB ON ITS OWN AND STICK ABOVE 110 MPH. DEALER STATES IS GM MANUFACTURE ISSUE, BUT WILL NOT RECALL / REPAIR. *TR

NHTSA ODI #10258883

50,000 miles · Feb 9, 2009
Electrical System

TL*THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. THE CONTACT STATED THAT THE SPEEDOMETER DISPLAYS 60 MPH WHEN HE IS TRAVELING AT MUCH LOWER SPEEDS. THE SPEEDOMETER ALSO BECOMES STUCK AT A LOWER SPEED WHEN HE IS DRIVING AT A MUCH FASTER RATE. THE RPM'S IN THE VEHICLE WILL EITHER NOT MOVE AT ALL OR GO UP AS FAR AS POSSIBLE WHILE …

Read full complaint

TL*THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. THE CONTACT STATED THAT THE SPEEDOMETER DISPLAYS 60 MPH WHEN HE IS TRAVELING AT MUCH LOWER SPEEDS. THE SPEEDOMETER ALSO BECOMES STUCK AT A LOWER SPEED WHEN HE IS DRIVING AT A MUCH FASTER RATE. THE RPM'S IN THE VEHICLE WILL EITHER NOT MOVE AT ALL OR GO UP AS FAR AS POSSIBLE WHILE DRIVING IN FIRST GEAR ONLY. THE RPM'S WILL THEN BECOME STUCK AND NOT MOVE BACK DOWN. THE VEHICLE HAS NOT BEEN INSPECTED BY THE DEALER. HE MUST RESTART THE VEHICLE IN ORDER FOR THE SPEEDOMETER DIAL TO RETURN TO ITS REGULAR POSITION. THE DIAL DOES NOT MOVE AT ALL IN COLD WEATHER CONDITIONS. THE CONTACT HAS GOTTEN PULLED OVER WHILE DRIVING 20 MPH (85 MPH) OVER THE SPEED LIMIT WHEN HE THOUGHT HE WAS TRAVELING 65 MPH. HE BELIEVES THAT THE FAILURE COULD HAVE BEEN A MANUFACTURER DEFECT. THE FAILURE MILEAGE WAS 50,000 AND CURRENT MILEAGE WAS 86,000. UPDATED 03-06-09 *BF THE SPEEDOMETER WOULD STICK AT 50 MPH. THE CONSUMER STATED WHEN HE INCREASED OR DECREASED HIS SPEED THE SPEEDOMETER WOULD STILL REGISTER AT 50 MPH. UPDATED 03/11/09. *JB

NHTSA ODI #10258017

Mileage unknown · Jan 27, 2009
Electrical System

THE GAUGES IN THESE CARS GO CRAZY I DIDN'T SPEND MONEY TO FIX IT INSTEAD I WENT ONLINE AND FOUND A TON F PEOPLE THIS HAPPENED TO THE GAUGE CLUSTER IN THE CARS GO HAYWIRE AND YOU CAN NOT TELL. SOME GO IN THE SPEEDOMETER MINE WENT IN THE TEMP GAUGE AND THE FUEL GAUGE NOW PEOPLE HAVE BEEN TO MECHANICS AND THEY CAN NOT FIND WHAT IS …

Read full complaint

THE GAUGES IN THESE CARS GO CRAZY I DIDN'T SPEND MONEY TO FIX IT INSTEAD I WENT ONLINE AND FOUND A TON F PEOPLE THIS HAPPENED TO THE GAUGE CLUSTER IN THE CARS GO HAYWIRE AND YOU CAN NOT TELL. SOME GO IN THE SPEEDOMETER MINE WENT IN THE TEMP GAUGE AND THE FUEL GAUGE NOW PEOPLE HAVE BEEN TO MECHANICS AND THEY CAN NOT FIND WHAT IS WRONG WITH THEM MINE FIRST WENT ABOUT 4 MONTHS AGO AND THE ONLY WAY FOR ME TO RESET MY GAUGES IS TO PULL THE FUSE OUT AND RESET IT OTHERWISE IT WILL NOT RESET BACK TO E OR 0 AND THE THERMO GAUGE HAS GONE INTO MY SPEEDO NEEDLE SO THEN I CAN NOT TELL HOW FAST I AM GOING AT FIRST I THOUGHT IT WAS JUST ME AND NO BIG DEAL BUT THEN I WENT ONLINE AND FOUND SO MANY PEOPLE WIT THIS PROBLEM WHY SHOULD WE HAVE TO FIX SOMETHING THAT GM OBVIOUSLY DIDN'T GET RIGHT I DON'T THINK ITS RIGHT AT ALL ESPECIALLY BECAUSE ITS WITH ALOT OF PEOPLE NOW THE GAUGES GO CRAZY ALL THE TIME NOT JUST WHEN IT RAINS OR ITS COLD BUT CONSTANTLY I AM PULLING THE FUSES OUT. *TR

NHTSA ODI #10256542

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.