I STOPPED AT STOP SIGN MOVED THROUGH INTERSECTION THE SUDDENLY DOVE TO THE DITCH .I WAS MOVING AT HIGHWAY SPEEDS ON I75 5 MINUTES EARLIER THEN TURNED ON THE SIDE ROAD S TO MY HOME .THE RACK AND PINION BROKE IN TWO SENDING ME INTO DITCH. IF THIS HAPPENED 10 MINUTES EARLIER I WOULD BE DEAD. *TR
2004 Chevrolet Aveo
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 Chevrolet Aveo do not stand out strongly from the model-year median of 169.
About this comparison →How this year compares
Owner complaints by model year
Compare all Aveo years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
160 reports with mileage · 46 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.
- Engine And Engine Cooling. Review the 62 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Steering complaints
9 reportsAS I BEGAN TO ACCELERATE ONTO THE HIGHWAY, I FELT THAT MY CAR WAS NOT PICKING UP, I COULD ONLY GET TO AROUND 40-45MPH ON A HIGHWAY THAT IS 65MPH. I NEARLY GOT REAR-ENDED BY CARS FLYING UP ON ME AND I QUICKLY PULLED OFF TO THE SHOULDER JUST IN TIME AS THE POWER STEERING ALSO WENT OUT AND THE CAR APPEARED TO HAVE STOPPED RUNNING. …
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AS I BEGAN TO ACCELERATE ONTO THE HIGHWAY, I FELT THAT MY CAR WAS NOT PICKING UP, I COULD ONLY GET TO AROUND 40-45MPH ON A HIGHWAY THAT IS 65MPH. I NEARLY GOT REAR-ENDED BY CARS FLYING UP ON ME AND I QUICKLY PULLED OFF TO THE SHOULDER JUST IN TIME AS THE POWER STEERING ALSO WENT OUT AND THE CAR APPEARED TO HAVE STOPPED RUNNING. I COULD NOT GET THE CAR TO START AGAIN. THE DIAGNOSTICS CAME BACK THAT THE TIMING BELT HAD GONE AND IT COULD BE FIXED FOR ANYWHERE BETWEEN $800 TO NEEDING A BRAND NEW MOTOR. THIS FLOORED ME AS I ALWAYS HAD THE OIL AND FLUIDS REPLACED AND THE CAR ONLY HAD 84K MILES ON IT. I BEGAN TO RESEARCH THE AVEO AND BAM, THERE IT WAS, OVER AND OVER AGAIN ON-LINE. OWNERS ALL COMPLAINING OF THE SAME PROBLEM WITH THEIR AVEO. THE TIMING BELT ON THE AVEO, ESPECIALLY THE 04-07 MODELS GO AND WILL REQUIRE ANYWHERE FROM A MAJOR FIX TO A BRAND NEW ENGINE. THIS IS A BIG PROBLEM ON A LITTLE CAR. I WENT ON CRAIGSLIST TO LOOK FOR A NEW ENGINE, BUT INSTEAD FOUND 10 AVEOS IN ONE HOUR... THAT WERE BEING SOLD FOR PARTS BECAUSE THEIR TIMING BELT WENT! PLEASE TAKE A LOOK AT THIS PROBLEM, I BELIEVE THERE IS A MAJOR PROBLEM WITH THE AVEO DESERVING OF A RECALL, AND OWNERS SHOULD BE MADE AWARE OF THIS SERIOUS PROBLEM AND THE PERSISTENT NEED TO HAVE THEIR TIMING BELT REPLACED OR FACE A TOTAL ENGINE REPLACEMENT. I COULD HAVE EASILY BEEN REAR-ENDED OR WORSE BECAUSE OF THE LOSS OF POWER AND POWER STEERING. THANK YOU. *TR
I PURCHASED MY 04 CHEVY AVEO ON JUNE 20,06. FIVE DAYS LATER THE BRAKES WERE METAL TO METAL. MY CAR WAS NOT SAFETY INSPECTED BEFORE THE SALE. SINCE THEN I HAVE TAKEN THE CAR BACK TO WHERE I PURCHASED IT SEVERAL TIMES AND HAVE EVEN HAD THE SERVICE MANAGER TO RIDE WITH ME TO SHOW HIM THAT THE BRAKES ARE STICKING. (THE CALIPERS NEE…
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I PURCHASED MY 04 CHEVY AVEO ON JUNE 20,06. FIVE DAYS LATER THE BRAKES WERE METAL TO METAL. MY CAR WAS NOT SAFETY INSPECTED BEFORE THE SALE. SINCE THEN I HAVE TAKEN THE CAR BACK TO WHERE I PURCHASED IT SEVERAL TIMES AND HAVE EVEN HAD THE SERVICE MANAGER TO RIDE WITH ME TO SHOW HIM THAT THE BRAKES ARE STICKING. (THE CALIPERS NEED TO BE REPLACED) TIM MARBURGER CHRYSLER/DODGE TRIED TO SAY THAT IS WAS A WARPED ROTOR DUE TO EXCESSIVE MOUNTAIN DRIVING, MY CAR WAS ONLY DRIVEN 7 MILES ONE WAY TO GO CAMPING AND 7 MILES BACK ONCE A WEEK. I WOULD HARDLY CALL THIS EXCESSIVE. THE FIRST TANK OF GAS I GOT THE MILEAGE OF 284 MILES SINCE 06/20/06 UNTIL NOW 10/10/06 MY GAS MILEAGE FOR A TANK OF GAS IS NOW 210 MILES. NOBODY AT THE DEALERSHIP HAS OFFERED TO FIX MY CAR. I HAVE BEEN CUSSED, TALKED TO LIKE A DOG. THE GENERAL MANAGER DENNY FRUITH SLAMMED MY CAR DOOR AND PROCEEDED TO ARGUE WITH ME IN THE FRONT PARKING LOT IN FRONT OF THE SHOWROOM DOORS. REFUSED TO FIX MY CAR AND IT WAS STILL UNDER WARRANTY, THE DEALERSHIP PUT MY LUG NUTS ON SO TIGHT THAT THEY COULD NOT BE MANUALLY TAKEN OFF. THE VICE PRESIDENT OF THE COMPANY MR. FELIX MCCLAT REFUSED TO FIX MY BRAKES AND ALSO REFUSED TO EVEN LET ME COME TO THE DEALERSHIP AND HAVE THEM LOOSEN MY LUG NUTS. AND THE CAR WAS STILL UNDER WARRANTY. THE BRAKES ON MY CAR WILL PUT THEMSELVES ON WITHOUT ME PRESSING THE PEDALS. AND WHEN YOU DO PRESS THE PEDALS YOU CAN BE GOING DOWN HILL AND TAKE YOUR FOOT OFF THE PEDAL AND THE BRAKES GRAB AND THE CAR WILL COME TO ALMOST A COMPLETE STOP...DOWN HILL. ALL THIS WAS SHOWN TO THE SERVICE MANAGER DAVID ANDERSON AND THE CAR HAS NOT BEEN FIXED YET. *JB
FIRST, I HAVE AN 2004 CHEVROLET AVEO. I HAVE HAD TO REPLACE TWO TIRES DUE TO FLATS. IT'S SUPPOSE TO BE SOME SPECIAL TYPE OF TIRES ON THIS TYPE CAR. ONE TIRE IS PLUGGED AND THE OTHER WAS REPLACED BY A NEW TIRE. SECOND I HAVE 15,040 MILES ON THE CAR SINCE PURCHASE. THIRD, I HAVE HAD TO HAVE THE CAR IN FOR REPAIRS RE: NOISE UNDER T…
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FIRST, I HAVE AN 2004 CHEVROLET AVEO. I HAVE HAD TO REPLACE TWO TIRES DUE TO FLATS. IT'S SUPPOSE TO BE SOME SPECIAL TYPE OF TIRES ON THIS TYPE CAR. ONE TIRE IS PLUGGED AND THE OTHER WAS REPLACED BY A NEW TIRE. SECOND I HAVE 15,040 MILES ON THE CAR SINCE PURCHASE. THIRD, I HAVE HAD TO HAVE THE CAR IN FOR REPAIRS RE: NOISE UNDER THE PASSENGER WHEELS AND THE DRIVERS WHEELS MORE THAN TWICE. THE BATTERY HAS FAILED TO BE USEFUL TWICE. I NEED TO KNOW IF THESE CARS CAN BE LOOKED AT FOR DEFECTS BECAUSE THEY ARE A NEWER MODEL AND I HAVE ASKED OTHER IF THEY HAD ISSUES AND THEY ARE THE SAME. BRAKE LIGHTS CONTINUE TO BURN OUT. *JB
2004 CHEVY AVEO. WHEN DRIVING VEHICLE IN WINDY CONDITION OR NEAR LARGE VEHICLE(INCLUDING PICKUP TRUCKS AND SUVS) THE VEHICLE'S FRONT END IS BLOWN VERY EASILY CREATING DANGEROUS SWERVING AND FRONT END MOVEMENT. I FEEL THE VEHICLE IS VERY UNSAFE TO DRIVE AND NEEDS SAFETY TESTING DONE. ALSO, FRONT END PULLS HARD TO THE LEFT IN ALL …
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2004 CHEVY AVEO. WHEN DRIVING VEHICLE IN WINDY CONDITION OR NEAR LARGE VEHICLE(INCLUDING PICKUP TRUCKS AND SUVS) THE VEHICLE'S FRONT END IS BLOWN VERY EASILY CREATING DANGEROUS SWERVING AND FRONT END MOVEMENT. I FEEL THE VEHICLE IS VERY UNSAFE TO DRIVE AND NEEDS SAFETY TESTING DONE. ALSO, FRONT END PULLS HARD TO THE LEFT IN ALL DRIVING CONDITIONS. NEW TIRES HAVE BEEN ADDED BUT DID NOT SOLVE PROBLEM. FRONT END ALSO HAS BAD BUSHINGS OR STRUTS. CAR CREAKS WHEN GOING OVER BUMPS OR WHEN PUSHING UP AND DOWN ON THE FRONT END. *JB
INTRO: MAKE CHEVROLET MODEL KALOS 2004 [XXX]. AIRBAG WARNING INDICATOR WAS ON FOR SEVERAL TIMES (MORE THAN 10 TIMES). A CHECK WAS PERFORMED ON 13 AUGUST 2005 AND THE ONLY REPAIR WAS TO RESET THE SIGNAL FROM SCAN TOOL. THE SIGNAL REMAIN ON CONTINUOUSLY BEING A DANGEROUS SITUATION, SERVICE SHOP REFUSED INITIALLY TO REPAIR THE FAU…
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INTRO: MAKE CHEVROLET MODEL KALOS 2004 [XXX]. AIRBAG WARNING INDICATOR WAS ON FOR SEVERAL TIMES (MORE THAN 10 TIMES). A CHECK WAS PERFORMED ON 13 AUGUST 2005 AND THE ONLY REPAIR WAS TO RESET THE SIGNAL FROM SCAN TOOL. THE SIGNAL REMAIN ON CONTINUOUSLY BEING A DANGEROUS SITUATION, SERVICE SHOP REFUSED INITIALLY TO REPAIR THE FAULTY SRS INITIATING THE CORRECTIVE ACTIONS WERE DELAYED FOR 4 (FOUR) MONTHS SO ON 07 DECEMBER 2005 WERE REPLACED ON MY VEHICLE BOTH SIDE AIRBAGS MODULE AND THE SDM (SENSING DIAGNOSTIC MODULE). 2. AT 10000 KM OIL SPOT APPEAR ON TOP OF THE ENGINE (ENGINE DISTRIBUTION COVER) AND EVEN REPORTED TO SERVICE SHOP MECHANICS NO ACTION WAS TAKEN IN ORDER TO INVESTIGATE AND TO CORRECT THE FAILURE TILL 40603 KM WHEN THE SPOT EXTENDED AND CONTAMINATE WITH LUBRICANT TIMING BELT AREA AND FOLLOWING PARTS HAD TO BE REPLACED: HOSE, BREATHER; TIMING BELT TIMING BELT EXPANDER OIL SEAL RING 3. BRAKE, POWER STEERING, COOLANT AND CLUTCH FLUIDS AND SPARK PLUGS WERE REPLACED LATER THAN NORMAL MAINTENANCE SCHEDULE, AND ONLY AFTER I SUBMITTED A WRITTEN COMPLAIN TO THE SERVICE SHOP MANAGER. IT SUPPOSED TO BE REPLACED AT 30 000 KM AND IT WERE REPLACED AT 38070 KM. THIS ALSO IT HAPPENED WITH THE FUEL FILTER, WHICH HAD TO BE REPLACED AT 45000 KM, AND IT WAS REPLACED AT 49200 KM. 4.IT WAS REPORTED BY THE OWNER THAT AC IS OUT OF SERVICE AT 49200 KM (EVAP CONDENSER FOUND WITH A LARGE CRACK AND REFRIGERANT FLUID LOST COMPLETELY). ACCORDING TO MAINTENANCE SCHEDULE AT 45000 KM SERVICE SHOP HAD TO INSPECT EVAP CONDENSER FROM THE CONDITIONING SYSTEM AND THE PIPELINES. AC PERIODICAL MAINTENANCE NEVER HAD BEEN PERFORMED TO THE VEHICLE AS IT WAS STATED IN THE TECHNICAL SPECIFICATIONS. 5.ENGINE OIL WAS NOT THE RESPECTING API SPECIFICATIONS SO INSTEAD 5W 30 SYNTHETIC OIL WAS USED 10W 40 MINERAL OIL. IT TOOK ALMOST 18 MONTHS AND 40603 KM TO CONVINCE THEM TO USE THE PROPER OIL FOR THE ENGINE. THIS THING AFFECTED ENGINE LIFE. *JB UPDATED 07/17/2012 *JS
DT: THE CONTACT S TOOK VEHICLE TO DEALER FOR AN INSPECTION. THEY DETERMINED THAT BOTH INNER TIE ROD ENDS HAD EXCESSIVE PLAY. THIS, IN TURN, CAUSED TWO FRONT TIRES TO WEAR OUT. REPAIRS WILL BE MADE UNDER WARRANTY.*AK
MY VEHICLE WILL BE DRIVING FINE AND I WILL ATTEMPT TO MAKE A LEFT OR RIGHT TURN AND INTERMITTENTLY THE STEERING WHEEL WILL LOCK UP, ALL THE LIGHTS ON THE DASH BOARD WILL COME ON AND THE CAR WILL STOP! THIS HAS HAPPENED TO ME 4 TIMES IN 2 WKS AND DEALER CAN NOT "DUPLICATE MY CONCERN" I AM STILL EXPERIENCING THIS PROBLEM. THE VEHI…
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MY VEHICLE WILL BE DRIVING FINE AND I WILL ATTEMPT TO MAKE A LEFT OR RIGHT TURN AND INTERMITTENTLY THE STEERING WHEEL WILL LOCK UP, ALL THE LIGHTS ON THE DASH BOARD WILL COME ON AND THE CAR WILL STOP! THIS HAS HAPPENED TO ME 4 TIMES IN 2 WKS AND DEALER CAN NOT "DUPLICATE MY CONCERN" I AM STILL EXPERIENCING THIS PROBLEM. THE VEHICLE HAS 600 MILES ON IT, I DRIVE 15 MILES A DAY TO AND FROM WORK, NO HIGHWAY. DEALER CAN NOT FIND THE PROBLEM AND I AM FORCED TO DRIVE THIS VEHICLE. IT IS A BIG SAFETY CONCERN BECAUSE THE CAR COMES TO A STOP WHEN EVER IT FEELS LIKE IT. DEALER JUST TELLS ME "WHEN IT HAPPENS AGAIN GIVE US A CALL", THE SAME DAY I PICKED IT UP FROM THE DEALER AFTER THEY COULD NOT FIND THE PROBLEM, IT HAPPENED AGAIN THAT NIGHT I CALLED TO REPORT IT TO THE DEALER AND HE SUGGESTED I GO TO ANOTHER DEALER FURTHER AWAY FROM ME BECAUSE THEY WERE CLOSED FOR INVENTORY. SO I AM DRIVING THIS VEHICLE UNSAFELY.*AK
MY CHEVROLET AVEO PULLS TO THE RIGHT, UPON ACCELERATION AND DRIVING AT A CONSTANT SPEED. I MADE THE DEALERSHIP AWARE OF THE PROBLEM AND THEY SAID THAT IT NEEDED AN ALIGNMENT. THEY GAVE IT AN ALIGNMENT AND IT HELPED FOR A FEW WEEKS. THEN THE VEHICLE STARTING PULLING TO THE RIGHT AGAIN. I TOOK IT FOR A SECOND OPINION AND THEY SAI…
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MY CHEVROLET AVEO PULLS TO THE RIGHT, UPON ACCELERATION AND DRIVING AT A CONSTANT SPEED. I MADE THE DEALERSHIP AWARE OF THE PROBLEM AND THEY SAID THAT IT NEEDED AN ALIGNMENT. THEY GAVE IT AN ALIGNMENT AND IT HELPED FOR A FEW WEEKS. THEN THE VEHICLE STARTING PULLING TO THE RIGHT AGAIN. I TOOK IT FOR A SECOND OPINION AND THEY SAID THE VEHICLE HAS TORQUE STEERING AND WITH THE WAY IT IS BUILT IT WILL DRIVE LIKE THIS. SUGGESTED WELDING WEIGHTS ON LEFT SIDE OF ENGINE TO MAKE IT HEAVIER ON THE LEFT SIDE, ALSO SUGGESTED A WIDER TIRE, BUT THEY WOULD NEED GM APPROVAL FIRST. THEY ALSO GAVE THE VEHICLE AN ALIGNMENT. I STILL HAVE THIS PROBLEM WITH THE VEHICLE. *NM
Official recalls
214V261000 · Exterior Lighting:headlights
May 19, 2014
General Motors is recalling certain model year 2004-2008 Chevrolet Aveo vehicles equipped with daytime running lights (DRL). In the affected vehicles, there may be heat generated within the DRL module located in the center console in the instrument panel, which could melt the DRL module.
Consequence & remedy
Consequence: If the DRL module melts due to the heat generation, it could cause a vehicle fire.
Remedy: GM will notify owners, and dealers will install a revised DRL module, inspect the wiring connector for heat damage, and clean the DRL circuit grounds. Owners were sent interim notices on August 14, 2014. The recall began on February 6, 2015. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet). General Motors recall number for this campaign is 14236.
04V407000 · Seat Belts:rear/other
Aug 17, 2004
ON CERTAIN PASSENGER VEHICLES, THE REAR SAFETY BELT CAN BECOME TWISTED.
Consequence & remedy
Consequence: IF THIS OCCURS THE SAFETY BELT RETRACTOR MAY LOCK IN POSITION SO THAT THE BELT CANNOT BE USED. IN THE EVENT OF A VEHICLE CRASH, PERSONAL INJURY TO THE SEAT OCCUPANT COULD OCCUR.
Remedy: DEALERS WILL INSTALL A SAFETY BELT WEBBING GUIDE TO PREVENT THE BELT FROM TWISTING. THE RECALL BEGAN ON OCTOBER 15, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438. VEHICLE OWNERS LOCATED IN GUAM SHOULD CONTACT GM CUSTOMER ASSISTANCE AT 1-671-648-8453.
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
2EA08005 · Stuck Throttle Valve
Opened Feb 14, 2008 · Closed Oct 14, 2008
Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Vehicle Speed Control
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
PE07051 · Stuck Throttle Valve
Opened Oct 19, 2007 · Closed Feb 14, 2008
Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.
Vehicle Speed Control
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.
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