← 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

Seat Belts complaints

8 reports
Clear category filter
1,000 miles · Jun 22, 2008
Seat Belts

WHEN I DRIVE MY CAVALIER WITH A PASSENGER NEXT TO ME AND THEY WEAR THEIR SEATBELT THE SEAT BELT TIGHTENS UP AS YOU DRIVE SO MUCH SO THAT YOU HAVE TO DISCONNECT IT OR IT WILL TAKE YOUR BREATH AWAY. THE DEALER SAID THAT WE COULD BUY AN EXTENSION FOR THE BELT BUT THAT IS NOT REQUIRED AS THERE IS ROOM LEFT IN THE BELT WHEN IT IS NO…

Read full complaint

WHEN I DRIVE MY CAVALIER WITH A PASSENGER NEXT TO ME AND THEY WEAR THEIR SEATBELT THE SEAT BELT TIGHTENS UP AS YOU DRIVE SO MUCH SO THAT YOU HAVE TO DISCONNECT IT OR IT WILL TAKE YOUR BREATH AWAY. THE DEALER SAID THAT WE COULD BUY AN EXTENSION FOR THE BELT BUT THAT IS NOT REQUIRED AS THERE IS ROOM LEFT IN THE BELT WHEN IT IS NOT LOCKED UP !THE SERVICE GIRL IMPLIED THAT WE WERE TO FAT AS I LATTER REALIZED THAT WAS THE BASIS OF HER EXTENSION COMMENT. NOTHING HAS BEEN DONE . THIS HAPPENS ALL OF THE TIME! *TR

NHTSA ODI #10231970

62,207 miles · May 2, 2007
Air BagsSeat BeltsCrashInjury

TL*THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. WHILE DRIVING 55 MPH IN DRY CONDITIONS THE CONTACT SWERVED IN ORDER TO AVOID HITTING A DEER. AS A RESULT, THE VEHICLE STRUCK A TREE HEAD ON AND THEN SWERVED AND STRUCK A SECOND TREE ON THE DRIVER'S SIDE DOOR. THE FRONT AIR BAGS AND SIDE AIR BAGS FAILED TO DEPLOY. THE VEHICLE W…

Read full complaint

TL*THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. WHILE DRIVING 55 MPH IN DRY CONDITIONS THE CONTACT SWERVED IN ORDER TO AVOID HITTING A DEER. AS A RESULT, THE VEHICLE STRUCK A TREE HEAD ON AND THEN SWERVED AND STRUCK A SECOND TREE ON THE DRIVER'S SIDE DOOR. THE FRONT AIR BAGS AND SIDE AIR BAGS FAILED TO DEPLOY. THE VEHICLE WAS DESTROYED, AND THE CONTACT SUSTAINED SEVERE INJURIES. THE CONTACT WAS WEARING A SEAT BELT. A POLICE REPORT WAS TAKEN. THE CONTACT HAS PICTURES OF THE VEHICLE. THE CURRENT AND FAILURE MILEAGES WERE 62,207.*AK THE CONSUMERS SON WAS DRIVING THE VEHICLE. THE SEAT BELT DID NOT LOCK INTO PLACE AS THE BRAKES WERE APPLIED FOR ABOUT 40 DEET BEFORE IMPACT. UPDATED 12/04/07

NHTSA ODI #10189488

Mileage unknown · Feb 7, 2007
Seat Belts

SEAT BELT IN MIDDLE REAR POSITION OF CAR WAS GETTING CAUGHT ON SOME PART OF THE MECHANISM AND A LARGE HOLE IN THE SEAT BELT RESULTED. I HAD TO HAVE THE ENTIRE MECHANISM REPLACED AT MY OWN EXPENSE SINCE IT WAS SIX MONTHS PAST END OF WARRANTY. *NM

NHTSA ODI #10181932

21,000 miles · Mar 10, 2005
EquipmentExterior LightingFuel System, Gasoline

THERE ARE NUMEROUS THINGS, AND THE DELAERSHIP HAS CONVINCED GM, BECAUSE I WROTE GM ABOUT THE PROBLEMS WITH THIS, THAT I AM MAKING THIS STUFF UP TO GET AN SUV. FIRST THE RADIO WASN'T WORKING, THEY PUT THE CABLE BACK ON SAID IT WAS LOOSE, ITS STILL NOT SOUNDING LIKE A RADIO SHOULD. NEXT WAS THE POPPING IN THE FRONT END, DEALERSH…

Read full complaint

THERE ARE NUMEROUS THINGS, AND THE DELAERSHIP HAS CONVINCED GM, BECAUSE I WROTE GM ABOUT THE PROBLEMS WITH THIS, THAT I AM MAKING THIS STUFF UP TO GET AN SUV. FIRST THE RADIO WASN'T WORKING, THEY PUT THE CABLE BACK ON SAID IT WAS LOOSE, ITS STILL NOT SOUNDING LIKE A RADIO SHOULD. NEXT WAS THE POPPING IN THE FRONT END, DEALERSHIP TURNED ROTORS, UNDER WARRANTY BACK BRAKES SQUEALED REAL LOUD THEY SAID IT WAS DUST I HAD TO PAY FOR THAT. BACK BRAKES STILL SQUEAL, FRONT END STILL POPS LIKE A BAD CV JOINT. TRUNK WOULDN'T SHUT HAD TO KEEP SLAMMING IT. TOOK IT BACK THEY GREASED IT WORKED FOR AWHILE STARTING TO GET HARD TO SHUT SOMETIMES. BRAKE LIGHTS AND BACK LIGHTS AND CRUISE CONTROL QUIT WORKING . TOOK IT TO DEALERSHIP AT LEAST 5 OR 6 TIMES TILL THEY FINALLY REPLACED IT HOW LONG IT WILL LAST I DON'T KNOW. FRONT SUN VISOR POPPED WHEN IT HUNG UP IN REAR VIEW MIRROR REAL FLOPPY CAN'T USE IT NO MORE DEALER SAID THEY ORDERED IT IN DECEMBER. STILL WAITING NOT FIXED. REAL BAD ODOR OF GAS IN CAR WHEN TANK IS HALF FULL, NO EXPLANATION AS TO WHY. SEAT BELT MAKES A FUNNY NOISE WHEN YOU ARE WEARING IT, PINS YOU BACK AGAINST SEAT REAL HARD. NO EXPLANATION FOR THAT. HAVE TO STOP AND JERK ON IT TO LOOSEN IT LIKE A SEAT BELT SHOULD WORK. DEALER SAYS I AM IMAGINING THIS STUFF BECAUSE I DO NOT WANT CAR, BOUGHT IT NEW STILL PAYING FOR IT. BEEN TRYING TO GET RID OF IT THEY HAVE EVERYONE CONVINCED I AM A PSYCHO WOMAN WANTING AN SUV AND THATS WHY I AM COMPLAINING THAT IS ALL FALSE. JUST PLAIN HATE A CAR I AM PAYING FOR.*AK

NHTSA ODI #10113912

8,000 miles · Apr 20, 2004
Air BagsSeat BeltsCrash

WHILE DRIVING AT 30 MPH, THE CONSUMER HAD A FRONT END COLLISION AND NEITHER OF THE AIR BAGS DEPLOYED AND THE SEAT BELT DID RESTRAIN THE DRIVER. NO AIR BAG LIGHT WARNING PRIOR TO THE CRASH. *NM *SC *JB

NHTSA ODI #10065541

457 miles · Nov 12, 2003
Seat BeltsInjury

CONSUMER FELT THAT SEAT BELT WAIS DEFECTIVE. THE SEAT BELT CUT INTO THE CONSUMER'S NECK AND IT IS WAS TOO HIGH UP ON HER NECK. ALSO, THE LAP BELT WASS TOO TIGHT AROUND THE CONSUMER'SWAIST. THE DEALER TRIED TO PUT EXTENDERS ON THE BELTS, BUT TO NO AVAIL. THE CONSUMER STILL FEELS UNCOMFORTABLE USING THE SEAT BELTS. *AK …

Read full complaint

CONSUMER FELT THAT SEAT BELT WAIS DEFECTIVE. THE SEAT BELT CUT INTO THE CONSUMER'S NECK AND IT IS WAS TOO HIGH UP ON HER NECK. ALSO, THE LAP BELT WASS TOO TIGHT AROUND THE CONSUMER'SWAIST. THE DEALER TRIED TO PUT EXTENDERS ON THE BELTS, BUT TO NO AVAIL. THE CONSUMER STILL FEELS UNCOMFORTABLE USING THE SEAT BELTS. *AK CONSUMER HAD TWO ADDITIONAL CONCERNS. FIRST, THE SEAT BELT GETS TANGLES EVERY TIME IT FASTENED AND IS UNCOMFORTABLE. SECONDLY, THE VEHICLE HAD 162 MILES AT PURCHASE AND SHE WAS TOLD THIS WAS NOT UNUSUAL. *JB

NHTSA ODI #10044322

12,603 miles · Nov 5, 2003
Air BagsSeat BeltsCrashInjury

WHILE DRIVING APPROXIMATELY 20 MPH CONSUMER'S VEHICLE REAR ENDED ANOTHER VEHICLE, AND THE FRONT AIR BAGS DID NOT DEPLOY. DRIVER'S CHEST HIT THE STEERING WHEEL, CAUSING MUSCLE SPASMS FROM THE NECK DOWN. *AK THE SEAT BELTS ALSO FAILED TO LOCK. *PH *NLM

NHTSA ODI #10042348

Mileage unknown · Jul 11, 2003
Seat BeltsService Brakes, Hydraulic

WHEN APPLYING THE BRAKES, THE PEDAL GOES TO THE FLOOR, ACCOMPANIED BY A GRINDING NOISE. *AK. ALSO THE PASSENGER SEAT BELT RETRACTOR WAS REPLACED PH. *JB

NHTSA ODI #10024326

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.