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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

Power Train complaints

16 reports
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8,161 miles · Mar 25, 2015
Electrical SystemPower Train

TL* THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. THE CONTACT STATED THAT THE VEHICLE COULD NOT BE SHIFTED OUT OF PARK. WHEN THE CONTACT INSERTED THE KEY INTO THE IGNITION SWITCH, IT BECAME DIFFICULT TO TURN AND THE OVERHEAD LIGHT DID NOT TURN OFF. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAI…

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TL* THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. THE CONTACT STATED THAT THE VEHICLE COULD NOT BE SHIFTED OUT OF PARK. WHEN THE CONTACT INSERTED THE KEY INTO THE IGNITION SWITCH, IT BECAME DIFFICULT TO TURN AND THE OVERHEAD LIGHT DID NOT TURN OFF. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 8,161.

NHTSA ODI #10701610

88,000 miles · Mar 10, 2014
Power Train

WHEN SHIFTING AUTO TRANSMISSION INTO REVERSE GEAR FROM PARK THE CLIP THAT HOLDS THE SHIFT CABLE ONTO THE SHIFT LEVER ON THE TRANSMISSION BROKE. DEALER TOLD ME THAT ENTIRE SHIFT CABLE MUST BE PURCHASED TO GET THE SMALL CLIP THAT HOLDS CABLE END TO TRANSMISSION SHIFT LEVER. I WENT TO A LOCAL JUNK YARD TO FIND THIS SMALL CLIP (PA…

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WHEN SHIFTING AUTO TRANSMISSION INTO REVERSE GEAR FROM PARK THE CLIP THAT HOLDS THE SHIFT CABLE ONTO THE SHIFT LEVER ON THE TRANSMISSION BROKE. DEALER TOLD ME THAT ENTIRE SHIFT CABLE MUST BE PURCHASED TO GET THE SMALL CLIP THAT HOLDS CABLE END TO TRANSMISSION SHIFT LEVER. I WENT TO A LOCAL JUNK YARD TO FIND THIS SMALL CLIP (PART) AND WAS ASTONISHED TO FIND THAT EVERY AUTO OF THIS YEAR AND MAKE HAD THE SIMILAR PROBLEM. ALL OF THESE AUTOS HAS THE CABLE WIRED TO THE SHIFT LEVER. SOME USED A WIRE TIE TO SECURE THE LEVER TO CABLE. THE TOW TRUCK DRIVER WHO RESPONDED TO TOW MY VEHICLE SAID HE SEES THIS PROBLEM "ALL THE TIME". WHEN I CALLED THE LOCAL CHEVY DEALER THEY SAID THEY WERE OUT OF STOCK FOR THIS CABLE AND CLIP AND HAD TO ORDER IT. THIS MAY ALSO INDICATE THAT THIS PROBLEM IS WIDE SPREAD. IF THIS SHIFT CABLE WERE TO FALL OFF WHILE TRYING TO MANUALLY SHIFT THE AUTO TRANSMISSION, WELL, I AM SURE YOU UNDERSTAND THE RESULTS. *TR

NHTSA ODI #10568096

108,600 miles · Mar 6, 2013
Power Train

DROVE 54 MILES LAST VENEING TO SAFEWAY, BOUGHT MILK THERE. DROVE HOME, THEN WENT TO LEAVE FOR WORK TODAY, AND MY CLUTCH HAD FAILED OVERNIGHT. IT IS THE CLUTCH HYDRAULIC SYSTEM THAT HAS FAILED. *TR

NHTSA ODI #10501887

55,000 miles · Sep 28, 2006
Electrical SystemEngine And Engine CoolingFuel System, Gasoline

1. VEHICLE MADE A MOANING NOISE WHEN TURNING AT APPROXIMATELY 55,000 KMS (AND 3 YEARS OLD). REPLACED POWER STEERING PUMP AND STEERING RACK. 2. RANDOM CLUNKING FROM THE FRONT END AT APPROX. 56,000 KMS. REPLACED FRONT BEARINGS AND TRANSMISSION MOUNT. 3. CAR LOST POWER, HAD TO BE TOWED TO DEALERSHIP. DEALER COULDN'T FIND A PROBLE…

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1. VEHICLE MADE A MOANING NOISE WHEN TURNING AT APPROXIMATELY 55,000 KMS (AND 3 YEARS OLD). REPLACED POWER STEERING PUMP AND STEERING RACK. 2. RANDOM CLUNKING FROM THE FRONT END AT APPROX. 56,000 KMS. REPLACED FRONT BEARINGS AND TRANSMISSION MOUNT. 3. CAR LOST POWER, HAD TO BE TOWED TO DEALERSHIP. DEALER COULDN'T FIND A PROBLEM, INSISTED THE CAR WAS FINE. I INSISTED ON THEM TAKING IT OUT AGAIN. CAR BROKE DOWN, HAD TO BE TOWED BACK TO DEALER AGAIN. REPLACED CATALYTIC CONVERTER AND FUEL IGNITION SWITCH. 4. BURNED THROUGH 4L OF OIL AND PUFFED OUT BLACK SMOKE. DEALER COULDN'T LOCATE PROBLEM. HAPPENED AGAIN APPROX. 2000 KMS LATER. FAULTY PISTON RINGS, ENGINE REPLACED ENTIRELY. AT 61,000 KMS. NOW AT OVER $11,000 CDN WARRANTY REPAIRS ON A WELL MAINTAINED LOW MILEAGE CAR. 5. RANDOM CLUNKING NOISE IN FRONT IS BACK. GOING TO DEALER TOMORROW. WARRANTY: EXPIRED. *JB

NHTSA ODI #10169531

Mileage unknown · Jul 27, 2006
EquipmentPower Train

9-17-2005 - CLUTCH PEDAL PRESSED TO FLOOR AND STAYED ON FLOOR, CAR WOULD NOT GO IN GEAR. CLUTCH MASTER CYLINDER FOUND AT FAULT AND REPLACED UNDER WARRANTY. 7-19-2006 - CLUTCH PEDAL PRESSED TO FLOOR AND BARELY CAME UP OFF FLOOR. VERY DIFFICULT TO PUT INTO GEAR WITHOUT GRINDING GEARS. CLUTCH MASTER CYLINDER FOUND AT FAULT AND …

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9-17-2005 - CLUTCH PEDAL PRESSED TO FLOOR AND STAYED ON FLOOR, CAR WOULD NOT GO IN GEAR. CLUTCH MASTER CYLINDER FOUND AT FAULT AND REPLACED UNDER WARRANTY. 7-19-2006 - CLUTCH PEDAL PRESSED TO FLOOR AND BARELY CAME UP OFF FLOOR. VERY DIFFICULT TO PUT INTO GEAR WITHOUT GRINDING GEARS. CLUTCH MASTER CYLINDER FOUND AT FAULT AND REPLACED. CUSTOMER AND DEALER SPLIT COST OF REPAIRS. 7-25-2006 - CLUTCH PEDAL PRESSED TO FLOOR AND BARELY CAME UP OFF FLOOR. VERY DIFFICULT TO PUT INTO GEAR WITHOUT GRINDING GEARS. SUSPECT MASTER CYLINDER IS AGAIN AT FAULT, CAR IS PRESENTLY BEING REPAIRED. **VERY NEARLY CAUSED AND ACCIDENT WHEN CLUTCH WOULD NOT ENGAGE. NOTE: NHTSA # 10005459 AND 10019423 FOR SAME PROBLEMS. *NM

NHTSA ODI #10163590

10,000 miles · Oct 20, 2005
Engine And Engine CoolingPower Train

DT: THE CONTACT OWNS A 2003 CHEVROLET CAVALIER. SAFETY DEFECT IS AUTOMATIC TRANSMISSION. VEHICLE ROLLS BACK WHILE ON A HILL. WHILE IT IS IN DRIVE IT ACTS AS IF IT WAS STANDARD TRANSMISSION. HAPPENED ON AND OFF SINCE 2003. *AK THE CONSUMER STATED THE VEHICLE IDLES TOO LOW WHICH CAUSED THE VEHICLE TO ROLL BACKWARDS. *JB

NHTSA ODI #10137677

20 miles · Sep 8, 2004
Power Train

VEHICLE IDLED WHILE IN NEUTRAL. THIS VEHICLE WAS EQUIPPED WITH A 5 SPEED TRANSMISSION. CONSUMER TOOK VEHICLE TO THE DEALER. HOWEVER, DEALER WAS UNABLE TO DUPLICATE THE PROBLEM, AND SENT THE CONSUMER ON HIS WAY. *AK

NHTSA ODI #10091619

Mileage unknown · Apr 13, 2004
Power Train

WILL BE DRIVING DOWN THE ROAD AND GO TO PRESS THE BRAKE TO TURN OR STOP AND THE CAR STALLS IN THE MIDDLE OF THE ROAD. HAPPENS VERY RANDOMLY EVERY SO OFTEN. HAVE TAKEN IT TO THE DEALERSHIP 4 TIMES FOR THIS PROBLEM AND CAN'T FIND ANYTHING WRONG OR DUPLICATE THE PROBLEM. THIS HAS HAPPENED TO ME WITH OTHERS IN THE CAR, INCLUDING …

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WILL BE DRIVING DOWN THE ROAD AND GO TO PRESS THE BRAKE TO TURN OR STOP AND THE CAR STALLS IN THE MIDDLE OF THE ROAD. HAPPENS VERY RANDOMLY EVERY SO OFTEN. HAVE TAKEN IT TO THE DEALERSHIP 4 TIMES FOR THIS PROBLEM AND CAN'T FIND ANYTHING WRONG OR DUPLICATE THE PROBLEM. THIS HAS HAPPENED TO ME WITH OTHERS IN THE CAR, INCLUDING A ONE YEAR OLD, AND HAVE ALMOST GOTTEN IN SEVERE ACCIDENTS. ONCE WITH AN EIGHTEEN WHEELER!! THIS IS A VERY DANGEROUS AND SCARY PROBLEM!!

NHTSA ODI #10066097

500 miles · Jan 25, 2004
Power Train

MY 2003 CHEVROLET CAVALIER HAS A PROBLEM OF STALLING ( ENGINE DIES)AT LOW SPEED WHEN CLUTCH IS DEPRESSED. OTHER OWNERS HAVE HAD THIS PROBLEM AS NOTED IN COMPLAINT SECTION OF THIS WEBSITE. WHEN THIS HAPPENS YOU MUST KEEP ENGINE REVS HIGH IN ORDER TO KEEP THIS FROM HAPPENING OVER AND OVER. THIS HAPPENED IN JUNE OF 2003 AND AGAIN J…

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MY 2003 CHEVROLET CAVALIER HAS A PROBLEM OF STALLING ( ENGINE DIES)AT LOW SPEED WHEN CLUTCH IS DEPRESSED. OTHER OWNERS HAVE HAD THIS PROBLEM AS NOTED IN COMPLAINT SECTION OF THIS WEBSITE. WHEN THIS HAPPENS YOU MUST KEEP ENGINE REVS HIGH IN ORDER TO KEEP THIS FROM HAPPENING OVER AND OVER. THIS HAPPENED IN JUNE OF 2003 AND AGAIN JAN. 15 2004. DEALER AND CHEVROLET CUSTOMER SERVICE SAY MORE OR LESS, SORRY ABOUT YOUR BAD LUCK. I AM NOT HAPPY ABOUT THIS AND I AM QUITE SURE I AM NOT THE ONLY ONE. THIS CONDITION COULD GET YOU KILLED. *LA

NHTSA ODI #10054836

92,000 miles · Jan 15, 2004
Power Train

WHILE DRIVING AT 45 - 50 MPH ON THE HIGHWAY THE TRANSMISSION COMPLETELY FAILED, WITHOUT WARNING AND THE WHEELS ON THE CAR LOCKED UP. THE CAR CAME TO A COMPLETE STOP WITHOUT WARNING AND 3 CARS SWERVED OFF THE ROAD TO AVOID A REAR END COLLISION. ONCE OUT OF THE CAR IT COULD NOT EVEN BE PUSHED OFF THE ROAD. THE MECHANIC NOTED THAT…

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WHILE DRIVING AT 45 - 50 MPH ON THE HIGHWAY THE TRANSMISSION COMPLETELY FAILED, WITHOUT WARNING AND THE WHEELS ON THE CAR LOCKED UP. THE CAR CAME TO A COMPLETE STOP WITHOUT WARNING AND 3 CARS SWERVED OFF THE ROAD TO AVOID A REAR END COLLISION. ONCE OUT OF THE CAR IT COULD NOT EVEN BE PUSHED OFF THE ROAD. THE MECHANIC NOTED THAT ALL THE EGEARS WERE BROKEN AND THE TRANSMISSION COULD NOT EVEN BE REBUILT. A TRANSMISSION HAD TO BE PULLED FROM TOTALLED CAVALIER AND REBUILT TO GET MY CAR RUNNING. WITHOUT THE REBUILT TRANSMISSION, PARTS COULD HAVE COST UP TO $2500 PLUS LABOR. I WAS DISAPPOINTED/SCARED THAT SUCH A THING COULD HAPPEN WITHOUT WARNING. HAD I BEEN DRIVING ON THE INTERSTATE I COULD HAVE BEEN KILLED OR SERIOUSLY INJURED IF ANOTHER CAR HAD HIT US. I WAS DISAPPOINTED BECAUSE I TAKE VERY GOOD CARE OF MY CAR AND HAVE NEVER HAD ANY SERIOUS PROBLEMS WITH IT.

NHTSA ODI #10070276

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.