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2004 Chevrolet Corvette

Owner reports · Recalls · Investigations

More warning signs than most Corvette years

Owner complaints for the 2004 Chevrolet Corvette are substantially higher than the model-year median of 29.

About this comparison →

When problems were reported

Mileage at the reported incident

180 reports with mileage · 37 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 95 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 52 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Steering. Review the 36 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

4 crash reports1 fire reports2 injury reports

What owners actually said

217 reports
19,000 miles · Jun 9, 2016
Fuel/propulsion System

TL* THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. THE CONTACT STATED WHILE REFUELING THE VEHICLE, FUEL WAS LEAKING FROM UNDER THE VEHICLE. THE CONTACT MENTIONED THAT THERE WAS NO FUEL ODOR OR LEAKAGE WHEN DRIVING THE VEHICLE. THE FAILURE ONLY OCCURRED WHEN THE VEHICLE WAS BEING DRIVEN. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE.…

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TL* THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. THE CONTACT STATED WHILE REFUELING THE VEHICLE, FUEL WAS LEAKING FROM UNDER THE VEHICLE. THE CONTACT MENTIONED THAT THERE WAS NO FUEL ODOR OR LEAKAGE WHEN DRIVING THE VEHICLE. THE FAILURE ONLY OCCURRED WHEN THE VEHICLE WAS BEING DRIVEN. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE WAS TAKEN TO A DEALER WHERE IT WAS DIAGNOSED THAT THE FILLER NECK NEEDED TO BE REPLACED. NO REPAIRS WAS MADE TO THE VEHICLE. THE FAILURE MILEAGE WAS 19,000.

NHTSA ODI #10873399

34,700 miles · Apr 25, 2016
Fuel/propulsion System

THE TOP OF THE LEFT FUEL TANK IS CRACKED AND LEAKING FUEL. THIS IS A KNOWN PROBLEM FOR 2004 MODEL CORVETTE'S AND CADILLAC XLR'S. GM REFUSED TO DO A "RECALL" ON THIS PROBLEM ALTHOUGH IT IS VERY DANGEROUS AND COULD RESULT IN FIRE OR DEATH OF THE OCCUPANTS.

NHTSA ODI #10861409

Mileage unknown · Apr 19, 2016
Fuel/propulsion System

2004 CORVETTE - FUEL LEAK AT CROSSOVER TUBE. CRACKED FUEL TANK. TANK LEAKS WHEN FUELED. STRONG ODOR OF FUEL IN DRIVER COMPARTMENT. FUEL LEAK ON GROUND AT SERVICE STATION. THIS IS A KNOWN DEFECT AND GM SHOULD BE REQUIRED TO REPAIR THIS DEFECT. HAS NHTSA MADE ANY EFFORT TO REQUIRE GM TO REPAIR OR RECALL THESE CARS? IF NOT, WHY?

NHTSA ODI #10860418

28,800 miles · Dec 15, 2015
Fuel/propulsion System

SUMMARY: IN ITS JUNE 30, 2010 RESPONSE TO ODI'S INFORMATION REQUEST LETTER, GENERAL MOTORS (GM) IDENTIFIED THE LEAK SOURCE AS CRACKS IN EITHER THE FUEL TANK CROSS-OVER TUBE QUICK CONNECTOR (CONNECTOR) AND/OR THE "HOT-PLATE" WELD JOINT OF THE CONNECTOR TO THE TANK.THE ROOT CAUSES ARE ATTRIBUTED TO ERRORS IN CONNECTOR MATERIAL PRO…

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SUMMARY: IN ITS JUNE 30, 2010 RESPONSE TO ODI'S INFORMATION REQUEST LETTER, GENERAL MOTORS (GM) IDENTIFIED THE LEAK SOURCE AS CRACKS IN EITHER THE FUEL TANK CROSS-OVER TUBE QUICK CONNECTOR (CONNECTOR) AND/OR THE "HOT-PLATE" WELD JOINT OF THE CONNECTOR TO THE TANK.THE ROOT CAUSES ARE ATTRIBUTED TO ERRORS IN CONNECTOR MATERIAL PROCESSING, VARIATIONS IN THE WELDING PROCESS, AND HIGH STRESSES PLACED ON THE DRIVER'S SIDE CONNECTOR DURING VEHICLE USE.GM ALSO IDENTIFIED THE SCOPE OF THE SUBJECT VEHICLES INVOLVED TO BE THOSE PRODUCED FROM APPROXIMATELY OCTOBER 22, 2003 THROUGH MARCH 19, 2004.GM DOES NOT BELIEVE THE CRACKS REPRESENT AN UNREASONABLE RISK TO MOTOR VEHICLE SAFETY BASED ON FACTORS THAT INCLUDE; LOW RATE OF FUEL LEAKING TO THE GROUND, DETECTABLE FUEL ODOR, THE CRACKS ARE AT THE TOP OF THE TANK, LEAKS ARE DETECTABLE DURING REFUELING, SMALL QUANTITIES OF FUEL THAT LEAKS OUT, AND NO ASSOCIATED PROPERTY DAMAGE OR PERSONAL INJURY CLAIMS.ON AUGUST 13, 2010, GM ISSUED A "SPECIAL COVERAGE ADJUSTMENT" TO REMEDY FUEL TANK QUICK CONNECTOR LEAKS AND EXTEND THE WARRANTY FOR THIS ISSUE TO 10 YEARS OR 100,000 MILES IN CERTAIN 2004 CHEVROLET CORVETTE AND CADILLAC XLR VEHICLES.VEHICLE OWNERS WILL BE NOTIFIED BY MAIL OF THE ADJUSTMENT AND WILL ALSO BE ENTITLED TO REIMBURSEMENT FOR PREVIOUSLY PAID REPAIRS COVERED UNDER THE ADJUSTMENT.(SEE FILE FOR, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES. HTTP://WWW-ODI.NHTSA.DOT.GOV/CARS/PROBLEMS/DEFECT/RESULTS.CFM?ACTION_NUMBER=PE10015&SEARCHTYPE=QUICKSEARCH&SUMMARY=TRUE

NHTSA ODI #10810608

60,000 miles · Oct 16, 2015
Fuel/propulsion System

SINCE PURCHASING THE VEHICLE USED IN 2005, I ALWAYS SMELLED GASOLINE FUMES AFTER A FILL UP. I ALWAYS ATTRIBUTED IT TO SPILLAGE AND THE FACT THAT THE FILLER TUBE WAS ABOUT A FOOT FROM MY HEAD. THIS YEAR THE FUMES BEGAN TO PERSIST, REGARDLESS OF THE QUANTITY OF GAS IN THE TANK. AFTER RETURNING FROM A 3 WEEK VACATION IN JULY, WE …

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SINCE PURCHASING THE VEHICLE USED IN 2005, I ALWAYS SMELLED GASOLINE FUMES AFTER A FILL UP. I ALWAYS ATTRIBUTED IT TO SPILLAGE AND THE FACT THAT THE FILLER TUBE WAS ABOUT A FOOT FROM MY HEAD. THIS YEAR THE FUMES BEGAN TO PERSIST, REGARDLESS OF THE QUANTITY OF GAS IN THE TANK. AFTER RETURNING FROM A 3 WEEK VACATION IN JULY, WE WERE GREETED BY OVERPOWERING GASOLINE FUMES WHEN WE OPENED OUR GARAGE. I AM CERTAIN THAT THE FUMES WERE CONCENTRATED ENOUGH TO START A FIRE, HAD THERE BEEN A SPARK FROM A LIGHT SWITCH OR SOME OTHER IGNITER. AFTER VENTILATING THE GARAGE I SEARCHED FOR THE SOURCE AND FOR THE FIRST TIME SAW A SMALL GASOLINE LEAK ON THE FLOOR OF THE GARAGE UNDER MY 2004 CORVETTE. I IMMEDIATELY SEARCHED ONLINE AND FOUND THAT HUNDREDS OF COMPLAINTS FOR A SIMILAR PROBLEM HAD BEEN ADDRESSED BY THE NHTSA AND CHEVROLET, SO I TOOK IT TO MY DEALER, WHO VERIFIED I HAD THE SAME PROBLEM AND THEY REPLACED THE LEFT FUEL TANK AND CROSSOVER PIPE. THE COST FOR PARTS, LABOR AND TAX WAS $3,676 AND THE DEALER SAYS THAT THE REPAIR FOR THIS KNOWN MANUFACTURING DEFECT IS OUTSIDE THE EXTENDED WARRANTY THAT CHEVROLET AGREED TO, AS NOTED IN NHTSA ACTION #: PE10015. I NEVER RECEIVED NOTIFICATION OF THE PROBLEM IN 2010 OR I WOULD HAVE HAD CHEVROLET SERVICE CHECK THE VEHICLE FOR THE PROBLEM AT THAT TIME. I AM CURRENTLY IN THE PROCESS OF CONTACTING CHEVROLET CUSTOMER SERVICE, SEEKING REIMBURSEMENT OF ALL COSTS ASSOCIATED WITH THIS REPAIR.

NHTSA ODI #10782981

40,000 miles · Jul 16, 2015
Fuel/propulsion System

AFTER A RECENT FILL UP, I SMELLED FUEL IN MY GARAGE AFTER PARKING MY 2004 CHEVROLET CORVETTE FOR SEVERAL HOURS. I CHECKED ONLINE, AND DISCOVERED THAT MY CAR FALLS WITHIN THE VIN RANGE FOR THE SPECIAL COVERAGE ADJUSTMENT (#10150) ISSUED IN 2010. I TOOK THE CAR TO A LOCAL CHEVROLET DEALERSHIP WHERE IT WAS DIAGNOSED AS A CRACKED FU…

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AFTER A RECENT FILL UP, I SMELLED FUEL IN MY GARAGE AFTER PARKING MY 2004 CHEVROLET CORVETTE FOR SEVERAL HOURS. I CHECKED ONLINE, AND DISCOVERED THAT MY CAR FALLS WITHIN THE VIN RANGE FOR THE SPECIAL COVERAGE ADJUSTMENT (#10150) ISSUED IN 2010. I TOOK THE CAR TO A LOCAL CHEVROLET DEALERSHIP WHERE IT WAS DIAGNOSED AS A CRACKED FUEL TANK AT THE QUICK CONNECTOR. UNFORTUNATELY, THE 10-YEAR LIMIT HAS EXPIRED. MY VEHICLE HAS JUST OVER 40,000 MILES SO THE 100,000 MILE LIMIT HASN'T BEEN REACHED. THE CHEVROLET DEALERSHIP WON'T REPLACE IT BECAUSE THE TIME LIMIT IS UP. SO FAR, GENERAL MOTORS HASN'T OFFERED TO REPLACE IT EITHER. THEY'LL ONLY CONTACT THE DEALER TO ATTEMPT TO WORK OUT A MORE FAVORABLE DEAL. THE QUOTE I RECEIVED FOR REPAIR WAS $3,472. THIS IS AN EXTREMELY SERIOUS SAFETY ISSUE AND A KNOWN DEFECT, BUT GM WILL NOT ADDRESS IT PROPERLY. THEY'LL OFFER FREE REPLACEMENT TO OTHER VEHICLES WITH FUEL LEAKS (06-09 COBALTS) REGARDLESS OF MILEAGE OR TIME, BUT NOT THEIR FLAGSHIP AUTOMOBILE. I WOULD LIKE THE NHTSA TO REEXAMINE THIS VERY DANGEROUS SITUATION.

NHTSA ODI #10734622

32,500 miles · May 26, 2015
Fuel/propulsion System

TL* THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. THE CONTACT NOTICED A STRONG ODOR OF FUEL WHEN THE TANK WAS FULL. THE DEALER DIAGNOSED THAT THE DRIVER SIDE FUEL TANK CONNECTOR WAS LEAKING. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 32,500. *BF UPDATED 10/17/2017*CN

NHTSA ODI #10721517

57,880 miles · Apr 16, 2015
Fuel/propulsion System

2004 CHEVY Z06 CORVETTE HAS A FUEL LEAK ON TOP OF THE DRIVER SIDE ABOVE THE FUEL TANK COMING FROM THE CROSS OVER TUBE. THE PLASTIC COUPLER HAS O-RING THAT I THINKS HAS FAILED. I JACKED THE CAR UP ON MY OWN TOOK A BORE SCOPE UP THE COUPLER AND IT WAS COVER IN FUEL. THIS VEHICLE HAS NO TROUBLE CODES IN THE COMPUTER SYSTEM. I USE…

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2004 CHEVY Z06 CORVETTE HAS A FUEL LEAK ON TOP OF THE DRIVER SIDE ABOVE THE FUEL TANK COMING FROM THE CROSS OVER TUBE. THE PLASTIC COUPLER HAS O-RING THAT I THINKS HAS FAILED. I JACKED THE CAR UP ON MY OWN TOOK A BORE SCOPE UP THE COUPLER AND IT WAS COVER IN FUEL. THIS VEHICLE HAS NO TROUBLE CODES IN THE COMPUTER SYSTEM. I USED A SNAP-ON MODIS SCAN TOOL TO DO A FULL SWEEP OF THE VEHICLE. THE MIL IS NOT ON, I THINK THERE SHOULD A EVAP LIGHT SAYING THAT HYDROCARBONS ARE ESCAPING FROM THE FUEL SYSTEM. LOOKING ON LINE THERE IS A LOT OF COMPLAINS ABOUT C5 CORVETTE HAVING THIS ISSUE. THEREFORE BEING AN AUTOMOTIVE REPAIR TECHNICIAN SERVICING CARS FOR A LIVING I FEEL ACTION SHOULD BE TAKING FOR THE SAFETY OF THE CONSUMER, AND THE ENVIRONMENT KNOW THAT FUEL VAPORS ARE ESCAPING INTO THE ATMOSPHERE. PLUS WITH FUEL LEAKING AROUND THE GAS TANK AND THE EXHAUST SYSTEM RUNNING AN INCH AND HALF AWAY FROM IT THERE IS A POTENTIAL OF HAVING A FIRE HAPPEN TO SOMEONE VALUABLE CORVETTE. THE WAS A FUEL ODOR LONG BEFORE THE FUEL CROSS OVER TUBE STARTING LEAK. AT THAT POINT THE GAS CAP ON MY CAR HAD FAIL TO I REPLACE THAT THE FUEL CAP FUEL SMELL WENT AWAY. USING MY SNAP -ON MODIS, I WAS ABLE TO TEST THE EVAP SYSTEM AND PURGE IT WITH ANY TROUBLE CODES ON OR MIL LIGHT BEING ON OR ANY ISSUES WHAT SO EVER. WITH THE GAS CAP FAILING THERE SHOULD HAVE BEEN A PO440 CODE STATING A LARGE EVAP FAILURE CODE. IN THIS CASE THERE WAS NOTHING I CALL MY LOCAL GENERAL MOTORS DEALERSHIP THEY SAID, THERE SHOULD BE A CODE TO LOOSE GAS CAP. I SAID, THERE WAS NOTHING AND DEALERSHIP WAS SHOCKED. I THANK YOU FOR TAKING THE TIME TO READ MY COMPLAIN AND HOPE APPROPRIATE ACTIONS TO RENDER IS ISSUE ON C5 MODEL CORVETTE. *TR

NHTSA ODI #10706012

24,900 miles · Apr 7, 2015
Fuel/propulsion System

ENGINE LIGHT CAME ON, TOOK TO MECHANIC, FUEL VAPOR/FUEL LEAK IDENTIFIED, SMOKE TEST PERFORMED, SOURCE APPEARS TO BE TANK/TANK STRAPS. *TR

NHTSA ODI #10704226

81,000 miles · Apr 6, 2015
Steering

TL* THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. WHILE BACKING OUT OF A PARKING SPACE, THE STEERING WHEEL SUDDENLY LOCKED UP AND A MESSAGE INDICATING A STEERING LOCK FAILURE WAS DISPLAYED. THE VEHICLE WAS TOWED TO THE DEALER, WHO INDICATED THAT THE ELECTRONIC COLUMN LOCKING SYSTEM FAILED. THE VEHICLE WAS REPAIRED. THE MANUFACTURE…

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TL* THE CONTACT OWNS A 2004 CHEVROLET CORVETTE. WHILE BACKING OUT OF A PARKING SPACE, THE STEERING WHEEL SUDDENLY LOCKED UP AND A MESSAGE INDICATING A STEERING LOCK FAILURE WAS DISPLAYED. THE VEHICLE WAS TOWED TO THE DEALER, WHO INDICATED THAT THE ELECTRONIC COLUMN LOCKING SYSTEM FAILED. THE VEHICLE WAS REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND THE CONTACT WAS INFORMED THAT THE VIN WAS NOT INCLUDED IN NHTSA CAMPAIGN NUMBER: 04V060000 (STEERING). THE CONTACT STATED THAT THE VEHICLE EXPERIENCED THE SAME FAILURE LISTED IN THE RECALL. THE FAILURE MILEAGE WAS 81,000.

NHTSA ODI #10703868

Official recalls

2

04V273000 · Steering:linkages

Jun 9, 2004

ON CERTAIN PASSENGER VEHICLES INVOLVED IN THIS CAMPAIGN, THE LOWER CONTROL ARM BALL STUD NUT/WASHER ASSEMBLIES WITH WASHERS WERE MADE OF THE WRONG MATERIAL. THE WASHERS MAY FRACTURE AND BECOME LOOSE OR FALL AWAY FROM THE VEHICLE, REDUCING CLAMP LOAD. SEPARATION OF THE CONTROL ARM BALL STUD AND STEERING KNUCKLE, DUE TO DISENGAGEMENT OF THE TAPERED ATTACHMENT AND RETAINING NUT, IS POSSIBLE.

Consequence & remedy

Consequence: IF THE CONTROL ARM SEPARATES FROM THE KNUCKLE, THE AFFECTED CORNER OF THE VEHICLE WILL DROP AND THE CONTROL ARM WOULD BE FORCED DOWNWARD, CONTACTING THE WHEEL. THE AFFECTED WHEEL COULD TILT OUTWARD AND CREATE A DRAGGING ACTION THAT WOULD TEND TO SLOW THE VEHICLE AND CREATE A TENDENCY FOR THE VEHICLE TO TURN IN THE DIRECTION OF THE AFFECTED WHEEL. IN EXTREME SITUATIONS, THE AFFECTED WHEEL ASSEMBLY COULD SEPARATE FROM THE VEHICLE. SEPARATION OF THE WHEEL ASSEMBLY WOULD ALSO SEVER THAT WHEEL;S HYDRAULIC BRAKE HOSE AND RESULT IN DIMINISHED BRAKING PERFORMANCE OF THE VEHICLE, WHICH COULD RESULT IN A CRASH.

Remedy: DEALERS WILL INSPECT THE BALL STUD JOINTS AND MEASURE THE TORQUE OF THE NUT FOR ALL FRONT LOWER CONTROL ARMS IN ALL MODELS AFFECTED AS WELL AS THE REAR LOWER CONTROL ARMS ON THE XLR AND CORVETTE. IF THE TORQUE IS NOT AT SPECIFICATION, THE DEALERS WILL REPLACE THE BALL STUD, THE KNUCKLE, AND THE NUT. IF THE TORQUE IS AT SPECIFICATION, THE DEALERS WILL REPLACE THE NUT/WASHER ASSEMBLY ONLY. THE RECALL WILL BEGIN ON AUGUST 25, 2004. OWNERS SHOULD CONTACT CADILLAC AT 1-866-982-2339 OR CHEVROLET AT 1-800-630-2438.

04V060000 · Steering:column LOCKING:ANTI-THEFT Device

Feb 9, 2004

ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH ELECTRONIC COLUMN LOCK SYSTEMS (ECL), WHEN THE IGNITION SWITCH IS TURNED TO "LOCK," THE ECL SYSTEM PREVENTS TURNING OF THE STEERING SYSTEM. WHEN THE VEHICLE IS STARTED, THE ECL UNLOCKS THE STEERING SYSTEM. THE VEHICLE IS DESIGNED SO THAT IF THE COLUMN FAILS TO UNLOCK WHEN THE VEHICLE IS STARTED AND THE CUSTOMER TRIES TO DRIVE, THE FUEL SUPPLY WILL BE SHUT OFF SO THAT THE VEHICLE CANNOT MOVE WHEN THE VEHICLE CANNOT BE STEERED. IF VOLTAGE AT THE POWERTRAIN CONTROL MODULE IS LOW OR INTERRUPTED, HOWEVER, THE FUEL SHUT OFF MAY NOT OCCUR AND THE VEHICLE CAN BE ACCELERATED WHILE THE STEERING SYSTEM IS LOCKED. ALSO WHEN THE CONTROL SYSTEM SHOWS THAT THE ECL IS UNLOCKED AND THE VEHICLE IS BEING DRIVEN, THE LOCK PIN LOCATION CAN VARY. DEPENDING ON THE LOCATION OF THE LOCK PLATE RELATIVE TO THE SWITCH TRANSITION POINT, THERE COULD THEN BE CONTACT BETWEEN THE LOCK PLATE AND PIN CAUSING THE STEERING TO LOCK WHILE DRIVING .

Consequence & remedy

Consequence: IF THIS OCCURS, A CRASH COULD OCCUR WITHOUT WARNING.

Remedy: ON VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION, THE DEALER WILL DISABLE THE STEERING COLUMN LOCK BY REMOVING THE COLUMN LOCK PLATE. WHEN THE IGNITION KEY IS REMOVED, THE TRANSMISSION SHIFTER WILL LOCK BUT THE STEERING COLUMN WILL NOT LOCK. ON VEHICLES EQUIPPED WITH A MANUAL TRANSMISSION, THE DEALER WILL REPROGRAM THE POWERTRAIN CONTROL MODULE, PERFORM A DIMENSIONAL CHECK OF THE COLUMN LOCK AND, IF NECESSARY, REPLACE THE LOCK PLATE. THE STEERING COLUMN ON THESE VEHICLES WILL CONTINUE TO LOCK WHEN THE KEY IS REMOVED. OWNER NOTIFICATION TO OWNERS OF 1997 VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS BEGAN ON APRIL 26, 2004. OWNERS OF 1998 THROUGH 2004 VEHICLES (EXCEPT 1997-1998 MANUAL TRANSMISSION VEHICLES) WILL BE NOTIFIED BEGINNING ON AUGUST 2, 2004. THE REMAINING OWNERS (1997-1998 MANUAL TRANSMISSION VEHICLES) WILL BE NOTIFIED LATER IN 2004, WHEN PARTS ARE AVAILABLE. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438.

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

2

PE10015 · Fuel Tank Leak

Opened May 12, 2010 · Closed Sep 10, 2010

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings; Fuel System, Gasoline:storage; Fuel System, Gasoline:storage:tank Assembly; Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

Additional source detail variants (5)

Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

Fuel System, Gasoline

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

Fuel System, Gasoline:storage

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

Fuel System, Gasoline:storage:tank Assembly:filler Pipe And Cap

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

Fuel System, Gasoline:storage:tank Assembly

In its June 30, 2010 response to ODI's Information Request letter, General Motors (GM) identified the leak source as cracks in either the fuel tank cross-over tube quick connector (connector) and/or the hot-plate weld joint of the connector to the tank.The root causes are attributed to errors in connector material processing, variations in the welding process, and high stresses placed on the driver's side connector during vehicle use.GM also identified the scope of the subject vehicles involved to be those produced from approximately October 22, 2003 through March 19, 2004.GM does not believe the cracks represent an unreasonable risk to motor vehicle safety based on factors that include; low rate of fuel leaking to the ground, detectable fuel odor, the cracks are at the top of the tank, leaks are detectable during refueling, small quantities of fuel that leaks out, and no associated property damage or personal injury claims.On August 13, 2010, GM issued a Special Coverage Adjustment to remedy fuel tank quick connector leaks and extend the warranty for this issue to 10 years or 100,000 miles in certain 2004 Chevrolet Corvette and Cadillac XLR vehicles.Vehicle owners will be notified by mail of the adjustment and will also be entitled to reimbursement for previously paid repairs covered under the adjustment.(See file for, SERVICE BULLETIN 10150: SPECIAL COVERAGE ADJUSTMENT-FUEL TANK QUICK CONNECTOR LEAK).The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist.The agency reserves the right to take further action if warranted by the circumstances.

EA02031 · Steering Column Lockup

Opened Nov 15, 2002 · Closed Mar 11, 2004

Status: closed (inferred from source dates) · Steering; Steering:column; Steering:column LOCKING:ANTI-THEFT Device

IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.

Additional source detail variants (3)

Steering:column

IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.

Steering:column LOCKING:ANTI-THEFT Device

IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.

Steering

IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.