NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
30 reportsClear category filterMileage unknown · Nov 15, 2011
Engine And Engine CoolingPower TrainService Brakes, Hydraulic
I OWN A 2007 IMPALA LT 3.9 L. PURCHASED FROM SUNSET CHEVROLET IN SUMNER, WA 1/03/10. NOT EVEN 3 MONTHS AFTER BUYING THE CAR, THE ENGINE OIL STARTED LEAKING, THE TRANSMISSION STARTED LEAKING, THE POWER STEERING STARTED MAKING AN ABNORMAL NOISE, AND THE CAR NEEDED A BRAKE JOB. (FRONT AND BACK). TOOK CAR TO DEALER (BURIEN CHEVROLET…
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I OWN A 2007 IMPALA LT 3.9 L. PURCHASED FROM SUNSET CHEVROLET IN SUMNER, WA 1/03/10. NOT EVEN 3 MONTHS AFTER BUYING THE CAR, THE ENGINE OIL STARTED LEAKING, THE TRANSMISSION STARTED LEAKING, THE POWER STEERING STARTED MAKING AN ABNORMAL NOISE, AND THE CAR NEEDED A BRAKE JOB. (FRONT AND BACK). TOOK CAR TO DEALER (BURIEN CHEVROLET IN BURIEN, WA). WAS TOLD THAT THE NEEDED REPAIRS WERE NOT COVERED BY WARRANTY. WE DECLINED REPAIRS AS WE COULD NOT AFFORD OUT OF POCKET COST. CONTACTED GENERAL MOTORS. WAS TOLD THAT AT THE TIME THE VEHICLE WAS TAKEN TO THE DEALER, THAT RELEVANT COMPONENTS WERE INDEED COVERED BY THE WARRANTY. GM WAS UNSURE OF WHY DEALER HAD TOLD US THEY WERE NOT COVERED BY WARRANTY. BUT THAT THE WARRANTY WAS PRESENTLY EXPIRED, AND EVEN THOUGH IT WASN'T WHEN WE TOOK CAR TO DEALER, THERE IS NOTHING THEY CAN DO NOW THAT THE WARRANTY IS EXPIRED. ALSO, THE TECH AT BURIEN CHEVROLET SAID THAT HE COULD SEE NO SIGNS OF THE SYMPTOMS THAT WE DESCRIBED WERE WRONG WITH THE TRANSMISSION, EVEN THOUGH THERE WAS A SERVICE BULLETIN ISSUED BY GM ON 10/15/09 (06-07-30-023C) WHICH DESCRIBES THE SYMPTOMS EXACTLY AS WE TOLD THE DEALER. IT ALSO CONTAINS INFORMATION NEEDE TO REPAIR THE PROBLEM. NOW THE TRANSMISSION IS ON THE VERGE OF BREAKING DOWN AND THE ENGINE IS LEAKING OIL MORE THAN EVER.
NHTSA ODI #10435928
60,000 miles · Oct 12, 2011
Engine And Engine Cooling
MY VEHICLE HAS THE 3.9 L LTZ PACKAGE. IT USES 2 TO 3 QUARTS OF OIL PER OIL CHANGE. I AM CURRENTLY WORKING WITH THE DEALERSHIP TO MONITOR MY OIL CONSUMPTION EVERY 1,000 MILES. SO FAR WE HAVE USED 1/2 QUART IN 2,000 MILES. THE DEALERSHIP DOES NOT SEEMED CONCERNED BUT FRANKLY MY CAR SHOULD NOT BE USING ANY OIL. GM SHOULD DO SO…
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MY VEHICLE HAS THE 3.9 L LTZ PACKAGE. IT USES 2 TO 3 QUARTS OF OIL PER OIL CHANGE. I AM CURRENTLY WORKING WITH THE DEALERSHIP TO MONITOR MY OIL CONSUMPTION EVERY 1,000 MILES. SO FAR WE HAVE USED 1/2 QUART IN 2,000 MILES. THE DEALERSHIP DOES NOT SEEMED CONCERNED BUT FRANKLY MY CAR SHOULD NOT BE USING ANY OIL. GM SHOULD DO SOMETHING. WE HAVE A 10 YEAR/100,000 MILE WARRANTY. I HOPE GM DOESN'T TRY TO SQUEAK OUT OF FIXING THIS ISSUE. *KB
NHTSA ODI #10429972
50,000 miles · Sep 21, 2011
Engine And Engine CoolingPower TrainVehicle Speed Control
VEHICLE'S TRANSMISSION SLIPS WHEN ACCELERATING, AND ALSO JERKS WHEN IDLING. THIS IS A COMMON ISSUE THAT HAS BEEN REPORTED IN MULTIPLE PLACES BY A LARGE NUMBER OF PEOPLE. ISSUE HAS BEEN INCREASING IN FREQUENCY - MAKING THIS CAR UNSAFE TO DRIVE, YET CHEVROLET HAS NOT BOTHERED TO ADDRESS THE NOW OBVIOUS PROBLEM. *TR
NHTSA ODI #10426570
74,769 miles · Sep 11, 2011
Engine And Engine CoolingStructureTires
I HAD NUMEROUS PROBLEMS WITH THIS VEHICLE (ALMOST THROUGH MY THIRD SET OF TIRES, OXYGEN SENSOR GOING AT 46,000 MILES, RUST BEGINNING AT 38,000 MILES {CAR WAS TWO YEARS OLD}, AND THE BATTERY GOING PREMATURELY). LAST WEEK, I ATTEMPTED TO PUT ON MY REAR DEFOGGER. THE LIGHT CAME ON, BUT MY REAR WINDSHIELD WAS STILL FOGGED UP. THE…
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I HAD NUMEROUS PROBLEMS WITH THIS VEHICLE (ALMOST THROUGH MY THIRD SET OF TIRES, OXYGEN SENSOR GOING AT 46,000 MILES, RUST BEGINNING AT 38,000 MILES {CAR WAS TWO YEARS OLD}, AND THE BATTERY GOING PREMATURELY). LAST WEEK, I ATTEMPTED TO PUT ON MY REAR DEFOGGER. THE LIGHT CAME ON, BUT MY REAR WINDSHIELD WAS STILL FOGGED UP. THE DEFROSTER ALSO DOES NOT BLOW COLD AIR IF THE CAR IS IN PARK. *TR
NHTSA ODI #10424655
69,036 miles · Aug 16, 2011
Engine And Engine Cooling
I OWE A CHEVY IMPALA 2007 AND I WAS HAVING TROUBLE WITH THE CAR MUFFLER, IT WAS MAKING A NOISE. ON TAKING IT TO THE SERVICE SHOP, I WAS TOLD THAT IT NEEDED TO BE CHANGED AND THE PROBABLE REASON IS THE SALT HAS CAUSED THE DAMAGE. THE CAR HAS RUN 69 K MILES. I ENDED UP CHANGING THE MUFFLER. *KB
NHTSA ODI #10419608
66,000 miles · Mar 23, 2011
Electrical SystemEngine And Engine CoolingWheels
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE ALL FOUR TIRES WERE WORN DOWN TO THE METAL AFTER A SHORT PERIOD OF TIME. THE TIRES WERE REPLACED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THEY WERE UNAWARE OF THE PROBLEM. A LOCAL MECHANIC STATED THAT THE WHEELS WERE THE CAUSE OF THE T…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE ALL FOUR TIRES WERE WORN DOWN TO THE METAL AFTER A SHORT PERIOD OF TIME. THE TIRES WERE REPLACED. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER WHO STATED THAT THEY WERE UNAWARE OF THE PROBLEM. A LOCAL MECHANIC STATED THAT THE WHEELS WERE THE CAUSE OF THE TIRE WEAR. THE CONTACT CALLED THE MANUFACTURER WHO STATED THAT THEY WOULD LOOK INTO THE PROBLEM. ADDITIONALLY, THERE WAS CORROSION ON THE EMISSIONS SOLENOID WHICH SHE WAS ALERTED TO WHEN THE CHECK ENGINE LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO THE DEALER WHO STATED THAT EITHER CARBON WAS STUCK IN THE VALVE OR THE SOLENOID WAS FULL OF WATER. THE VEHICLE WAS REPAIRED. ALSO, THE CABLE TO THE BATTERY WAS CORRODED. TWO MECHANICS INSPECTED THE VEHICLE AND STATED THAT THE FAILURE WAS NOT CAUSED BY NORMAL WEAR AND TEAR. THE VEHICLE WAS REPAIRED. THE CURRENT MILEAGE WAS APPROXIMATELY 73,000. THE FAILURE MILEAGE WAS APPROXIMATELY 66,000.
NHTSA ODI #10392576
30,000 miles · Feb 4, 2011
Engine And Engine Cooling
I PURCHASED A USED 2007 CHEVROLET IMPALA 3.5L LS WITH APPROXIMATELY 25K MILES IN OCTOBER 2009. BETWEEN OIL CHANGES MY CAR HAS BEEN BURNING OUT OIL 2-3 QUARTS BETWEEN OIL CHANGES). I HAVE TAKEN IT BACK TO THE DEALERSHIP 3 TIMES TO HAVE THIS ISSUES CORRECTED. THEY THOUGHT IT WAS A CLOGGED SENSOR AND CHANGED IT BECAUSE THEY COUL…
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I PURCHASED A USED 2007 CHEVROLET IMPALA 3.5L LS WITH APPROXIMATELY 25K MILES IN OCTOBER 2009. BETWEEN OIL CHANGES MY CAR HAS BEEN BURNING OUT OIL 2-3 QUARTS BETWEEN OIL CHANGES). I HAVE TAKEN IT BACK TO THE DEALERSHIP 3 TIMES TO HAVE THIS ISSUES CORRECTED. THEY THOUGHT IT WAS A CLOGGED SENSOR AND CHANGED IT BECAUSE THEY COULD NOT FIND ANY LEAKS. THEY CHANGED THE SENSOR BUT THE VEHICLE IS STILL BURNING BETWEEN 2 - 3 QUARTS. I HAVE MY OIL CHANGED EVERY 3K MILES. THE OIL LIGHT DOES COME ON TO ALERT ME WHEN I AM LOW. I AM AFRAID THAT THE ENGINE IS GOING TO SEIZE UP. I WANT TO BRING IT BACK TO THE DEALER AGAIN BUT THE LAST 3 TIME I HAVE TAKEN IT THERE THEY HAVE BEEN UNSUCCESSFUL IN FINDING THE PROBLEM. I HAVE BEEN A GM CUSTOMER WITH THIS DEALERSHIP FOR APPROXIMATELY 17 YRS AND HAVE NEVER HAD A PROBLEM WITH ANY OF MY OTHER GM PRODUCTS AND THE DEALERSHIP HAS ALWAYS BEEN VERY HELPFUL. *TR
NHTSA ODI #10380790
85,658 miles · Dec 18, 2010
Engine And Engine Cooling
BOUGHT 2007 IMPALA YEAR AGO LATELY GETTING A SMELL OF ANTIFREEZE AROUND PASS SIDE FRT CHECK FOR LEAKS NOTHING FOUND NOT DOWN ON COOLANT AND GETTING HEAT ANY SUGGESTIONS ON THIS. *TR
NHTSA ODI #10371141
45,000 miles · Sep 9, 2010
Electrical SystemEngine And Engine CoolingPower Train
WE BOUGHT OUR 2007 CHEVROLET IMPALA 3LT NEW IN FEBRUARY 2007. THE CAR JUST TURNED OVER 50,000 MILES. AT 38,000, WE NOTICED THE PASSENGER SEAT HEATING ELEMENT QUIT WORKING. CHEVY DEALER ESTIMATES THE COST OF REPAIRS AT ABOUT $200. AT 48,000 THE SHIFTER RELEASE SWITCH STOPPED WORKING, SO THE SHIFTER COULD NOT BE MOVED FROM THE PAR…
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WE BOUGHT OUR 2007 CHEVROLET IMPALA 3LT NEW IN FEBRUARY 2007. THE CAR JUST TURNED OVER 50,000 MILES. AT 38,000, WE NOTICED THE PASSENGER SEAT HEATING ELEMENT QUIT WORKING. CHEVY DEALER ESTIMATES THE COST OF REPAIRS AT ABOUT $200. AT 48,000 THE SHIFTER RELEASE SWITCH STOPPED WORKING, SO THE SHIFTER COULD NOT BE MOVED FROM THE PARK POSITION. CHEVY DEALER SAID A WIRE BROKE IN THE CENTER CONSOLE AND REPAIRS WERE $137. FROM ABOUT 45,000 MILES TO PRESENT, THE TRANSMISSION OCCASIONALLY SLIPS WHEN ACCELERATING FROM A STOP AT AN INTERSECTION. THE ENGINE REVS FOR ABOUT A SECOND OR TWO BEFORE THE TRANSMISSION ENGAGES. THE CHEVY DEALER HAS HAD THE CAR IN TWICE FOR THIS PROBLEM, THE SECOND TIME FOR MORE THAN A WEEK, AND WE'RE TOLD IT DOESN'T HAPPEN IN THE SHOP. THE SLIP HAPPENS ABOUT ONCE EVERY TWO DAYS THAT WE NOTICE. NOW, AT 50,100 MILES, THE EXHAUST HAS GOTTEN LOUDER AND A REPAIR SHOP SAID THERE'S A CRACK ON THE TOP OF THE LEFT MUFFLER. THE CHEVY DEALER SAYS IT'S NOT IN WARRANTY, AND THE JOB WILL COST $1,152. AN INDEPENDENT REPAIR SHOP SAYS THE MUFFLER CAN BE REPLACED FOR $160. *TR
NHTSA ODI #10354596
Mileage unknown · Jun 23, 2010
Engine And Engine Cooling
I HAVE A 2007 CHEVY IMPALA LT I BOUGHT IT USED WITH 30,000 MILES ON IT. IN BETWEEN OIL CHANGES THE OIL WARNING COMES ON TELLING ME TO ADD MORE OIL. I'VE TAKEN IT TO THE DEALERSHIP AND TO OTHER MECHANICS AND CANNOT FIGURE OUT WHAT IS WRONG. THEY HAVE CHECKED FOR LEAKS AND THERE ARE NONE. THEY SAID MAYBE THE ENGINE IS BURNING IT O…
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I HAVE A 2007 CHEVY IMPALA LT I BOUGHT IT USED WITH 30,000 MILES ON IT. IN BETWEEN OIL CHANGES THE OIL WARNING COMES ON TELLING ME TO ADD MORE OIL. I'VE TAKEN IT TO THE DEALERSHIP AND TO OTHER MECHANICS AND CANNOT FIGURE OUT WHAT IS WRONG. THEY HAVE CHECKED FOR LEAKS AND THERE ARE NONE. THEY SAID MAYBE THE ENGINE IS BURNING IT OFF BUT THEY DON'T SMELL IT. NOBODY CAN TELL ME WHAT IS WRONG, SO IN BETWEEN OIL CHANGES I HAVE TO PUT 1-2 QUARTS OF OIL IN IT. I CHANGE MY OIL EVERY 6,000 MILES. *TR
NHTSA ODI #10339647