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2008 Chevrolet Hhr

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2008 Chevrolet Hhr do not stand out strongly from the model-year median of 565.5.

About this comparison →

When problems were reported

Mileage at the reported incident

499 reports with mileage · 117 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.

  • Steering. Review the 297 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 108 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 71 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

30 crash reports6 fire reports21 injury reports

What owners actually said

616 reports
38,000 miles · Jun 24, 2014
Air BagsCrashInjury

I WAS IN MY 2008 HHR CHEVY AND CRASHED INTO A CONCRETE WALL THE CAR WAS TOTALED. AIR BAGS DID NOT DEPLOY CAUSING A HIP FRACTURE AND MAJOR SURGERY AND ONGOING THERAPY RESULTING IN A HIP REPLACEMENT LATER ON. *TR

NHTSA ODI #10605794

41,000 miles · Jun 24, 2014
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE POWER STEERING FAILED AND THE POWER STEERING WARNING LAMP ILLUMINATED IN THE INSTRUMENT PANEL. THE VEHICLE WAS ABLE TO BE SUCCESSFULLY RESTARTED AND RESUME NORMAL FUNCTION. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE DEALER VERIF…

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TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE POWER STEERING FAILED AND THE POWER STEERING WARNING LAMP ILLUMINATED IN THE INSTRUMENT PANEL. THE VEHICLE WAS ABLE TO BE SUCCESSFULLY RESTARTED AND RESUME NORMAL FUNCTION. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE DEALER VERIFIED THAT THE VEHICLE WAS NOT INCLUDED IN ANY RECALLS. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 41,000.

NHTSA ODI #10605711

117,000 miles · Jun 23, 2014
Steering

BACKING UP OUT OF DRIVE WAY, STEERING WAS HARD TO MOVE STEERING WHEEL. TOOK CAR TO DEALER WHICH IN ADDITION I HAVE THE RECALL FOR IGNITION RECALL THE DEALER STATES THEY HAVE RECALLS FOR THE STEERING BUT MY VIN NUMBER IS NOT A RECALL AT THIS TIME. SO WHY AM I HAVING THE SAME PROBLEMS AS OTHER RECALLS AND I AM NOT ABLE TO GET …

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BACKING UP OUT OF DRIVE WAY, STEERING WAS HARD TO MOVE STEERING WHEEL. TOOK CAR TO DEALER WHICH IN ADDITION I HAVE THE RECALL FOR IGNITION RECALL THE DEALER STATES THEY HAVE RECALLS FOR THE STEERING BUT MY VIN NUMBER IS NOT A RECALL AT THIS TIME. SO WHY AM I HAVING THE SAME PROBLEMS AS OTHER RECALLS AND I AM NOT ABLE TO GET THE REPAIRS UNDER THE GM COMPANY DEALER STATES I NEED A POWER STEERING WHICH IS ELECTRICAL AND A STEERING COLUMN. *TR

NHTSA ODI #10605434

60,000 miles · Jun 23, 2014
Steering

TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE STEERING WHEEL BECAME EXTREMELY DIFFICULT TO TURN AND THE POWER STEERING WARNING LIGHT ILLUMINATED. WHEN THE CONTACT SHUT OFF AND RESTARTED THE VEHICLE, IT OPERATED NORMALLY FOR A BRIEF PERIOD OF TIME BEFORE THE FAILURE RE…

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TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 45 MPH, THE STEERING WHEEL BECAME EXTREMELY DIFFICULT TO TURN AND THE POWER STEERING WARNING LIGHT ILLUMINATED. WHEN THE CONTACT SHUT OFF AND RESTARTED THE VEHICLE, IT OPERATED NORMALLY FOR A BRIEF PERIOD OF TIME BEFORE THE FAILURE RECURRED. THE VEHICLE WAS TAKEN TO THE DEALER WHO REPLACED THE POWER STEERING MODULE. THE MANUFACTURER WAS NOTIFIED. THE APPROXIMATE FAILURE MILEAGE WAS 60,000.

NHTSA ODI #10605348

Mileage unknown · Jun 23, 2014
Steering

AS EXITING THE EXPRESSWAY LOST THE STEERING POWER IT WAS VERY HARD TO TURN SINCE I WASNT EXPECTING IT I ENDED AT THE SHOULDER AND A FLAT TIRE.THE CAR BEHIND ME REALIZED I HAD CAR PROBLEMS AND WAS ABLE TO REACT TO AVOID A CAR ACCIDENT. I HEARD OF A RECALL AND CONTACTED GM AT 1-800-222-1020. I WAS TOLD THEY WERE AWARE OF THIS SI…

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AS EXITING THE EXPRESSWAY LOST THE STEERING POWER IT WAS VERY HARD TO TURN SINCE I WASNT EXPECTING IT I ENDED AT THE SHOULDER AND A FLAT TIRE.THE CAR BEHIND ME REALIZED I HAD CAR PROBLEMS AND WAS ABLE TO REACT TO AVOID A CAR ACCIDENT. I HEARD OF A RECALL AND CONTACTED GM AT 1-800-222-1020. I WAS TOLD THEY WERE AWARE OF THIS SITUATION BUT ONLY DOING A RECALL OF 2009 AND FOWARD NOT 2008. I AM ALSO WAITING FOR TH EDEALERSHIP TO CONTACT ME REGARDING THE RECALL FOR THE IGNITION. *TR

NHTSA ODI #10605107

Mileage unknown · Jun 21, 2014
Electrical System

I RECEIVED YOUR RECALL ON 5/2/14. I CALLED THE DEALER & TOLD THEM THAT I CALLED THEM SEVERAL TIMES (I WAS GETTING TIRED OF CALLING THEM) I WAS GETTING TIRED OF USING THE FOB AND THE KEY BEING SEPARATED AND THEY TOLD ME THAT WHEN I GET THE REPLACEMENT KEY I WOULD CONTINUE TO HAVE THE SAME PROBLEM. I BOUGHT THIS CAR NOT TO HAVE TH…

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I RECEIVED YOUR RECALL ON 5/2/14. I CALLED THE DEALER & TOLD THEM THAT I CALLED THEM SEVERAL TIMES (I WAS GETTING TIRED OF CALLING THEM) I WAS GETTING TIRED OF USING THE FOB AND THE KEY BEING SEPARATED AND THEY TOLD ME THAT WHEN I GET THE REPLACEMENT KEY I WOULD CONTINUE TO HAVE THE SAME PROBLEM. I BOUGHT THIS CAR NOT TO HAVE THE FOB & KEY SEPARATED. *TR

NHTSA ODI #10604945

Mileage unknown · Jun 19, 2014
Air BagsElectrical System

2008 CHEVROLET HHR. CONSUMER WRITES IN REGARDS TO IGNITION SWITCH RECALL NOTICE. *SMD THE CONSUMER STATED PRIOR TO THE RECALL, HE WAS HAVING TROUBLE STARTING THE VEHICLE, AND THE KEY WOULD NOT GO ALL THE WAY IN THE IGNITION. THE CONSUMER IT HAS BEEN TWO MONTHS, SINCE HE RECEIVED THE RECALL NOTICE, AND NOTHING HAS BEEN DONE.

NHTSA ODI #10598203

142,000 miles · Jun 18, 2014
EngineSteeringVehicle Speed Control

AROUND APRIL MY CAR STARTED TO HAVE A HARD TIME ACCELERATING. A WARNING CANE ON THE DASH THAT READ "LOOSING ENGINEPOWER" OR WORDS TO THAT EFFECT. WHEN I WOULD BRAKE MY CAR WOULD SHAKE. WHEN I WOULD DRIVE AT ABOUT 35 MY CAR STEERING WHEEL WOULD START B TO SHAKE AND WAS HARD TO CONTROL. I TOOK IT TO MY LOCAL CHEVY DEALERSHIP W…

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AROUND APRIL MY CAR STARTED TO HAVE A HARD TIME ACCELERATING. A WARNING CANE ON THE DASH THAT READ "LOOSING ENGINEPOWER" OR WORDS TO THAT EFFECT. WHEN I WOULD BRAKE MY CAR WOULD SHAKE. WHEN I WOULD DRIVE AT ABOUT 35 MY CAR STEERING WHEEL WOULD START B TO SHAKE AND WAS HARD TO CONTROL. I TOOK IT TO MY LOCAL CHEVY DEALERSHIP WHERE I HAD THE OIL CHANGE, ALL FOUR BREAKS REPLACED, THE TECH TOOK A RIDE WITH ME TO HEAR AND FEEL WHAT MY CAR HAD BEEN DOING. HE SAID HE DIDN'T KNOW WHAT IT WAS BUT RAN A DIAGNOSTIC ON IT AND IT SAID MULTIPLE THINGS MAYBE WRONG WITH, SUCH AS THE FUEL INJECTOR, THE TURBO HAD CAME UP AND A FUEL REGULATOR AND THE ELECTRICAL SYSTEM. I ASKED IF IT WAS SAFE TO DRIVE AND THEY INSURED ME IT WAS. MY CAR CONTINUED TO MAKE ALL THESE SOUNDS AND STRUGGLED TO ACCELERATE AND THE BREAKS WERE STILL SLIPPING. ON APRIL 17TH I WAS DRIVING ON MY SON'S FIELD TRIP AND SUDDENLY MY CAR STARTED TO LOSE POWER. I PULLED OVER TO SIDE OF THE INTERSTATE AT THE TRUCK STOP. I TURNED MY CAR OFF AND OIL WAS EVERY WHERE. I HAD MY CAR TOWED TO THE LOCAL DEALERSHIP WHERE I PURCHASED THE CAR. THEY SAID THE TIMING CHAIN HAD BROKE, CAUSING MAJOR DAMAGE TO MY ENGINE. I WILL HAVE TO REPLACE MY ENGINE. HAD MY CAR BEEN PROPERLY DIAGNOSED, THIS COULD HAVE BEEN PREVENTED. I AM NOW OUT I FOUND A VEHICLE DUE TO THIS MISDIAGNOSIS. I HAVE HAD THIS CAR FOR ALMOST 2 YEARS. *TR

NHTSA ODI #10604350

Mileage unknown · Jun 16, 2014
Air BagsElectrical System

TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT RECEIVED RECALL NOTIFICATIONS OF NHTSA CAMPAIGN ID NUMBERS 14V047000 (AIR BAG, ELECTRICAL SYSTEM) AND 14V171000 (ELECTRICAL SYSTEM) AND STATED THAT THE PART NEEDED WAS UNAVAILABLE. THE DEALER WAS UNABLE TO PROVIDE A DATE WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER…

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TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT RECEIVED RECALL NOTIFICATIONS OF NHTSA CAMPAIGN ID NUMBERS 14V047000 (AIR BAG, ELECTRICAL SYSTEM) AND 14V171000 (ELECTRICAL SYSTEM) AND STATED THAT THE PART NEEDED WAS UNAVAILABLE. THE DEALER WAS UNABLE TO PROVIDE A DATE WHEN THE PART WOULD BECOME AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE PROBLEM. THE CONTACT HAD NOT EXPERIENCED A FAILURE. THE VIN WAS UNAVAILABLE.

NHTSA ODI #10598500

Mileage unknown · Jun 16, 2014
Air BagsElectrical System

TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 14V047000 (AIR BAGS, ELECTRICAL SYSTEM). THE CONTACT STATED THAT THE DEALER AND THE MANUFACTURER ON NUMEROUS OCCASIONS ADVISED HER THAT THEY HAVE NO IDEA WHEN THE PARTS WILL BE AVAILABLE. THE RECALL REPAIR WAS NOT PERFOR…

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TL* THE CONTACT OWNS A 2008 CHEVROLET HHR. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN ID NUMBER 14V047000 (AIR BAGS, ELECTRICAL SYSTEM). THE CONTACT STATED THAT THE DEALER AND THE MANUFACTURER ON NUMEROUS OCCASIONS ADVISED HER THAT THEY HAVE NO IDEA WHEN THE PARTS WILL BE AVAILABLE. THE RECALL REPAIR WAS NOT PERFORMED IN A REASONABLE AMOUNT OF TIME. THERE WERE NO FAILURES AT THIS TIME.

NHTSA ODI #10598481

Official recalls

4

14V171000 · Electrical System:ignition

Apr 10, 2014

General Motors LLC (GM) is recalling certain model year 2005-2010 Chevrolet Cobalt, 2006-2011 Chevrolet HHR, 2007-2010 Pontiac G5, 2006-2010 Pontiac Solstice, 2003-2007 Saturn Ion, and 2007-2010 Saturn Sky vehicles. In the affected vehicles, the key can be removed from the ignition when the ignition is not in the "Off" position.

Consequence & remedy

Consequence: If the key can be removed from the ignition when the ignition is not in the "off" position, the vehicle could roll away: (a) for an automatic transmission, if the transmission is not in the "Park" position; or (b) for a manual transmission, if the parking brake is not engaged and the transmission is not in the "Reverse" position. This potential for rollaway increases the risk for a crash and occupant or pedestrian injuries.

Remedy: General Motors will notify owners, and for vehicles that were built with the defective ignition cylinder and have not previously had the ignition cylinder replaced with the redesigned part, dealers will replace the ignition cylinder and cut and, if necessary, re-learn two ignition/door keys for each vehicle. For vehicles that were built with the redesigned ignition cylinder or had the ignition cylinder replaced with the redesigned part, dealers will cut and, if necessary, re-learn two ignition/door keys for each vehicle. The recall began on April 18, 2014. Chevrolet owners may contact General Motors at 1-800-222-1020, Pontiac owners at 1-800-762-2737, and Saturn owners at 1-800-553-6000. General Motors' number for this recall is 14113 for the ignition lock cylinder and key replacement, and 14133 for only key replacements. Note: Until a vehicle has been remedied, owners and operators are advised that when exiting, to be sure that the vehicle is in "Park," or in the case of a manual transmission, that the vehicle is in the "Reverse" position and the parking brake is engaged.

14V047000 · Air Bags; Electrical System:ignition:switch

Feb 10, 2014

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on February 10, 2014 that they are recalling 619,122 model year 2005-2007 Chevrolet Cobalt, and 2007 Pontiac G5 vehicles. On February 25, 2014, GM increased the recall to include an additional 748,024 model year 2006-2007 Chevrolet HHR and Pontiac Solstice vehicles and 2003-2007 Saturn Ion vehicles and 2007 Saturn Sky vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine. On March 27, 2014, GM notified the agency that the defective ignition switches may have been used as service replacement parts on other vehicles, and as a result GM will be recalling certain model year 2008-2010 Chevrolet Cobalt, Saturn Sky, and Pontiac G5 and Solstice, and 2008-2011 Chevrolet HHR vehicles. The part numbers for the service parts are 10392423 (a/k/a ACDelco D1461F), 10392737, 15857948, 15854953, 15896640, and 25846762. This expansion represents an additional 823,788 vehicles.

Consequence & remedy

Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the ignition switch, free of charge. An interim notification was issued to owners of 2007 and earlier models on March 10, 2014, informing them of the safety defect. Owners of 2008 and later vehicles will be mailed an interim letter on April 21, 2014. All affected owners will receive another letter once parts are available. The recall began on April 18, 2014. Owners may contact Chevrolet at 1-800-222-1020, Pontiac at 1-800-762-2737 or Saturn at 1-800-553-6000. GM's number for the initial recall is 13454 and 14063 for the expansion. GM’s recall number for the vehicles that may have received the replacement parts is 14092. Note: Until the recall repairs have been performed, it is very important that customers remove all items from their key rings, leaving only the vehicle key. The key fob (if applicable), should also be removed from the key ring. Always wear your seatbelt.

Additional source detail variants (2)

Air Bags

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on February 10, 2014 that they are recalling 619,122 model year 2005-2007 Chevrolet Cobalt, and 2007 Pontiac G5 vehicles. On February 25, 2014, GM increased the recall to include an additional 748,024 model year 2006-2007 Chevrolet HHR and Pontiac Solstice vehicles and 2003-2007 Saturn Ion vehicles and 2007 Saturn Sky vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine. On March 27, 2014, GM notified the agency that the defective ignition switches may have been used as service replacement parts on other vehicles, and as a result GM will be recalling certain model year 2008-2010 Chevrolet Cobalt, Saturn Sky, and Pontiac G5 and Solstice, and 2008-2011 Chevrolet HHR vehicles. The part numbers for the service parts are 10392423 (a/k/a ACDelco D1461F), 10392737, 15857948, 15854953, 15896640, and 25846762. This expansion represents an additional 823,788 vehicles.

Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the ignition switch, free of charge. An interim notification was issued to owners of 2007 and earlier models on March 10, 2014, informing them of the safety defect. Owners of 2008 and later vehicles will be mailed an interim letter on April 21, 2014. All affected owners will receive another letter once parts are available. The recall began on April 18, 2014. Owners may contact Chevrolet at 1-800-222-1020, Pontiac at 1-800-762-2737 or Saturn at 1-800-553-6000. GM's number for the initial recall is 13454 and 14063 for the expansion. GM’s recall number for the vehicles that may have received the replacement parts is 14092. Note: Until the recall repairs have been performed, it is very important that customers remove all items from their key rings, leaving only the vehicle key. The key fob (if applicable), should also be removed from the key ring. Always wear your seatbelt.

Electrical System:ignition:switch

This defect can affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. General Motors LLC (GM) notified the agency on February 10, 2014 that they are recalling 619,122 model year 2005-2007 Chevrolet Cobalt, and 2007 Pontiac G5 vehicles. On February 25, 2014, GM increased the recall to include an additional 748,024 model year 2006-2007 Chevrolet HHR and Pontiac Solstice vehicles and 2003-2007 Saturn Ion vehicles and 2007 Saturn Sky vehicles. In these models, the weight on the key ring and/or road conditions or some other jarring event may cause the ignition switch to move out of the run position, turning off the engine. On March 27, 2014, GM notified the agency that the defective ignition switches may have been used as service replacement parts on other vehicles, and as a result GM will be recalling certain model year 2008-2010 Chevrolet Cobalt, Saturn Sky, and Pontiac G5 and Solstice, and 2008-2011 Chevrolet HHR vehicles. The part numbers for the service parts are 10392423 (a/k/a ACDelco D1461F), 10392737, 15857948, 15854953, 15896640, and 25846762. This expansion represents an additional 823,788 vehicles.

Consequence: If the key is not in the run position, the air bags may not deploy if the vehicle is involved in a crash, increasing the risk of injury.

Remedy: GM will notify owners, and dealers will replace the ignition switch, free of charge. An interim notification was issued to owners of 2007 and earlier models on March 10, 2014, informing them of the safety defect. Owners of 2008 and later vehicles will be mailed an interim letter on April 21, 2014. All affected owners will receive another letter once parts are available. The recall began on April 18, 2014. Owners may contact Chevrolet at 1-800-222-1020, Pontiac at 1-800-762-2737 or Saturn at 1-800-553-6000. GM's number for the initial recall is 13454 and 14063 for the expansion. GM’s recall number for the vehicles that may have received the replacement parts is 14092. Note: Until the recall repairs have been performed, it is very important that customers remove all items from their key rings, leaving only the vehicle key. The key fob (if applicable), should also be removed from the key ring. Always wear your seatbelt.

08V444000 · Latches/locks/linkages:doors:latch

Sep 3, 2008

GM IS RECALLING 296,422 MY 2006-2008 CHEVROLET HHR VEHICLES FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 201, 'OCCUPANT PROTECTION IN INTERIOR IMPACT." THE DOOR ON THE STORAGE BIN IN THE TOP CENTER OF THE INSTRUMENT PANEL FAILED TO REMAIN CLOSED AS REQUIRED.

Consequence & remedy

Consequence: THIS STANDARD SPECIFIES PERFORMANCE REQUIREMENTS TO PROVIDE HEAD IMPACT PROTECTION FOR OCCUPANTS.

Remedy: A REDESIGNED LATCH WILL BE MADE AVAILABLE. THE RECALL BEGAN ON DECEMBER 23, 2008. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438, OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .

08V046000 · Air Bags

Jan 30, 2008

GM IS RECALLING 181,516 MY 2006-2008 CHEVROLET HHR VEHICLES NOT EQUIPPED WITH OPTIONAL ROOF RAIL AIR BAGS FOR FAILING TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 201, 'OCCUPANT PROTECTION IN INTERIOR IMPACT.' IN TESTS, ONE OF THE UPPER INTERIOR OCCUPANT PROTECTION TEST POINTS EXCEEDED THE STANDARD'S REQUIREMENT.

Consequence & remedy

Consequence: THIS STANDARD SPECIFIES PERFORMANCE REQUIREMENTS TO PROVIDE HEAD IMPACT PROTECTION FOR OCCUPANTS.

Remedy: DEALERS WILL INSTALL AN ENERGY-ABSORBING PLASTIC PIECE TO THE HEADLINER TRIM. THE RECALL BEGAN ON APRIL 2, 2008. OWNERS MAY CONTACT CHEVROLET AT 1-800-630-2438 OR THROUGH THEIR WEBSITE AT <A HREF=HTTP://WWW.GMOWNERCENTER.COM>HTTP://WWW.GMOWNERCENTER.COM</A> .

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

1

PE20011 · Fuel Line Leak

Opened Jul 5, 2020 · Closed Aug 17, 2023

Status: closed (inferred from source dates) · Fuel System, Gasoline; Fuel System, Other:delivery:hoses, Lines/piping, And Fittings; Fuel/propulsion System

On July 5, 2020, the Office of Defects Investigations (ODI) opened PE20-011 to investigate instances of metal fuel lines under the vehicle corroding and leaking fuel in model year (MY) 2008 through 2010 Chevrolet Cobalt and 2008 through 2009 Chevrolet HHR passenger cars manufactured by General Motors (GM). The metal fuel lines are corroding and leaking fuel in the area between the front and rear wheels on the driver's side of the vehicle before the muffler. Most consumers allege a fuel odor and/or an observable fuel leak that alerts them to the condition.The subject metal fuel lines have a protective AGE coating and, in the vicinity of the left rear wheel, are further wrapped in a foil heat shield. The AGE coating consists of an annealed zinc aluminum alloy metal coating with extended corrosion protection paint. Under certain conditions, water and corrosive road deicing agents may enter a crevice between the heat shield and the AGE coating. With extended environmental exposure in high corrosive environments, the AGE coating can degrade. If it degrades enough, the base metal lines may begin to corrode beneath the heat shield.Corrosion to the fuel lines may eventually cause a perforation to develop in the line, allowing fuel vapors to escape from between the line and the heat shield, emitting a fuel odor that will be detectable to the vehicle operator. If the corrosion progresses, fuel may begin to weep from the line. Further metal degradation due to corrosion could create a drip or a mist of fuel. If this occurs, vehicle owners may see drips, spots, or puddles on the ground near the rear portion of the vehicle, primarily along the driver's side rear wheel.The majority of allegations (85%) were reported for vehicles that are operated in the salt belt region of the United States. This area includes states in the Northeast, mid-Atlantic, and Midwest regions. Additionally, the average failure mileage in the subject vehicles is approximately 111,000 across all data sources.Considering the low manufacturer complaint/warranty rates of fuel line replacement, the fact that the majority of failures are concentrated in salt belt states, high failure mileages, as well as the field exposure time for the subject vehicles, and the highly detectable and progressive nature of this failure over time, the potential safety consequences of this issue are very low. To date, there have been no reported crashes, injuries, or fatalities related to this issue. There are two reported fires in ODI data and no reported fires in GM data. Both ODI reported fires were minor, occurred after the vehicle was parked, and were extinguished utilizing fire extinguishers.In view of the progressive failure occurring at high mileages, the age of the subject vehicles, the high detectability of the leak, and the majority of failures occurred in salt belt states, this Preliminary Evaluation is closed. The agency reserves the right to take additional action if warranted by new circumstances.Review the ODI reports cited above at nhtsa.gov under the attached identification numbers.

Additional source detail variants (3)

Fuel/propulsion System

On July 5, 2020, the Office of Defects Investigations (ODI) opened PE20-011 to investigate instances of metal fuel lines under the vehicle corroding and leaking fuel in model year (MY) 2008 through 2010 Chevrolet Cobalt and 2008 through 2009 Chevrolet HHR passenger cars manufactured by General Motors (GM). The metal fuel lines are corroding and leaking fuel in the area between the front and rear wheels on the driver's side of the vehicle before the muffler. Most consumers allege a fuel odor and/or an observable fuel leak that alerts them to the condition.The subject metal fuel lines have a protective AGE coating and, in the vicinity of the left rear wheel, are further wrapped in a foil heat shield. The AGE coating consists of an annealed zinc aluminum alloy metal coating with extended corrosion protection paint. Under certain conditions, water and corrosive road deicing agents may enter a crevice between the heat shield and the AGE coating. With extended environmental exposure in high corrosive environments, the AGE coating can degrade. If it degrades enough, the base metal lines may begin to corrode beneath the heat shield.Corrosion to the fuel lines may eventually cause a perforation to develop in the line, allowing fuel vapors to escape from between the line and the heat shield, emitting a fuel odor that will be detectable to the vehicle operator. If the corrosion progresses, fuel may begin to weep from the line. Further metal degradation due to corrosion could create a drip or a mist of fuel. If this occurs, vehicle owners may see drips, spots, or puddles on the ground near the rear portion of the vehicle, primarily along the driver's side rear wheel.The majority of allegations (85%) were reported for vehicles that are operated in the salt belt region of the United States. This area includes states in the Northeast, mid-Atlantic, and Midwest regions. Additionally, the average failure mileage in the subject vehicles is approximately 111,000 across all data sources.Considering the low manufacturer complaint/warranty rates of fuel line replacement, the fact that the majority of failures are concentrated in salt belt states, high failure mileages, as well as the field exposure time for the subject vehicles, and the highly detectable and progressive nature of this failure over time, the potential safety consequences of this issue are very low. To date, there have been no reported crashes, injuries, or fatalities related to this issue. There are two reported fires in ODI data and no reported fires in GM data. Both ODI reported fires were minor, occurred after the vehicle was parked, and were extinguished utilizing fire extinguishers.In view of the progressive failure occurring at high mileages, the age of the subject vehicles, the high detectability of the leak, and the majority of failures occurred in salt belt states, this Preliminary Evaluation is closed. The agency reserves the right to take additional action if warranted by new circumstances.Review the ODI reports cited above at nhtsa.gov under the attached identification numbers.

Fuel System, Gasoline

On July 5, 2020, the Office of Defects Investigations (ODI) opened PE20-011 to investigate instances of metal fuel lines under the vehicle corroding and leaking fuel in model year (MY) 2008 through 2010 Chevrolet Cobalt and 2008 through 2009 Chevrolet HHR passenger cars manufactured by General Motors (GM). The metal fuel lines are corroding and leaking fuel in the area between the front and rear wheels on the driver's side of the vehicle before the muffler. Most consumers allege a fuel odor and/or an observable fuel leak that alerts them to the condition.The subject metal fuel lines have a protective AGE coating and, in the vicinity of the left rear wheel, are further wrapped in a foil heat shield. The AGE coating consists of an annealed zinc aluminum alloy metal coating with extended corrosion protection paint. Under certain conditions, water and corrosive road deicing agents may enter a crevice between the heat shield and the AGE coating. With extended environmental exposure in high corrosive environments, the AGE coating can degrade. If it degrades enough, the base metal lines may begin to corrode beneath the heat shield.Corrosion to the fuel lines may eventually cause a perforation to develop in the line, allowing fuel vapors to escape from between the line and the heat shield, emitting a fuel odor that will be detectable to the vehicle operator. If the corrosion progresses, fuel may begin to weep from the line. Further metal degradation due to corrosion could create a drip or a mist of fuel. If this occurs, vehicle owners may see drips, spots, or puddles on the ground near the rear portion of the vehicle, primarily along the driver's side rear wheel.The majority of allegations (85%) were reported for vehicles that are operated in the salt belt region of the United States. This area includes states in the Northeast, mid-Atlantic, and Midwest regions. Additionally, the average failure mileage in the subject vehicles is approximately 111,000 across all data sources.Considering the low manufacturer complaint/warranty rates of fuel line replacement, the fact that the majority of failures are concentrated in salt belt states, high failure mileages, as well as the field exposure time for the subject vehicles, and the highly detectable and progressive nature of this failure over time, the potential safety consequences of this issue are very low. To date, there have been no reported crashes, injuries, or fatalities related to this issue. There are two reported fires in ODI data and no reported fires in GM data. Both ODI reported fires were minor, occurred after the vehicle was parked, and were extinguished utilizing fire extinguishers.In view of the progressive failure occurring at high mileages, the age of the subject vehicles, the high detectability of the leak, and the majority of failures occurred in salt belt states, this Preliminary Evaluation is closed. The agency reserves the right to take additional action if warranted by new circumstances.Review the ODI reports cited above at nhtsa.gov under the attached identification numbers.

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

On July 5, 2020, the Office of Defects Investigations (ODI) opened PE20-011 to investigate instances of metal fuel lines under the vehicle corroding and leaking fuel in model year (MY) 2008 through 2010 Chevrolet Cobalt and 2008 through 2009 Chevrolet HHR passenger cars manufactured by General Motors (GM). The metal fuel lines are corroding and leaking fuel in the area between the front and rear wheels on the driver's side of the vehicle before the muffler. Most consumers allege a fuel odor and/or an observable fuel leak that alerts them to the condition.The subject metal fuel lines have a protective AGE coating and, in the vicinity of the left rear wheel, are further wrapped in a foil heat shield. The AGE coating consists of an annealed zinc aluminum alloy metal coating with extended corrosion protection paint. Under certain conditions, water and corrosive road deicing agents may enter a crevice between the heat shield and the AGE coating. With extended environmental exposure in high corrosive environments, the AGE coating can degrade. If it degrades enough, the base metal lines may begin to corrode beneath the heat shield.Corrosion to the fuel lines may eventually cause a perforation to develop in the line, allowing fuel vapors to escape from between the line and the heat shield, emitting a fuel odor that will be detectable to the vehicle operator. If the corrosion progresses, fuel may begin to weep from the line. Further metal degradation due to corrosion could create a drip or a mist of fuel. If this occurs, vehicle owners may see drips, spots, or puddles on the ground near the rear portion of the vehicle, primarily along the driver's side rear wheel.The majority of allegations (85%) were reported for vehicles that are operated in the salt belt region of the United States. This area includes states in the Northeast, mid-Atlantic, and Midwest regions. Additionally, the average failure mileage in the subject vehicles is approximately 111,000 across all data sources.Considering the low manufacturer complaint/warranty rates of fuel line replacement, the fact that the majority of failures are concentrated in salt belt states, high failure mileages, as well as the field exposure time for the subject vehicles, and the highly detectable and progressive nature of this failure over time, the potential safety consequences of this issue are very low. To date, there have been no reported crashes, injuries, or fatalities related to this issue. There are two reported fires in ODI data and no reported fires in GM data. Both ODI reported fires were minor, occurred after the vehicle was parked, and were extinguished utilizing fire extinguishers.In view of the progressive failure occurring at high mileages, the age of the subject vehicles, the high detectability of the leak, and the majority of failures occurred in salt belt states, this Preliminary Evaluation is closed. The agency reserves the right to take additional action if warranted by new circumstances.Review the ODI reports cited above at nhtsa.gov under the attached identification numbers.