NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
80 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
45,000 miles · Nov 13, 2011
Power Train
HAVE 2007 IMPALA LT3. (PURCHASED FROM SUNSET CHEVROLET, SUMNER, WA) 1/13/2010. HAVING SERIOUS TRANSMISSION ISSUES. TOOK VEHICLE TO FIRESTONE (6/10/10) FOR ROUTINE OIL CHANGE AND INSPECTION. FOUND LEAK IN TRANSMISSION. ALSO NEEDED FUEL SYSTEM SERVICE. REPAIRS NOT DONE AT THIS TIME DUE TO FINANCIAL SHORTAGE. TOOK TO FIRESTONE AGAI…
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HAVE 2007 IMPALA LT3. (PURCHASED FROM SUNSET CHEVROLET, SUMNER, WA) 1/13/2010. HAVING SERIOUS TRANSMISSION ISSUES. TOOK VEHICLE TO FIRESTONE (6/10/10) FOR ROUTINE OIL CHANGE AND INSPECTION. FOUND LEAK IN TRANSMISSION. ALSO NEEDED FUEL SYSTEM SERVICE. REPAIRS NOT DONE AT THIS TIME DUE TO FINANCIAL SHORTAGE. TOOK TO FIRESTONE AGAIN FOR ROUTINE OIL CHANGE 8/26/10. DURING ROUTINE INSPECTION OIL LEAK DETECTED. TRANSMISSION LEAKING. AND POWER STEERING MAKING ABNORMAL NOISE. COULD NOT AFFORD REPAIRS. THEN TOOK VEHICLE TO DEALERSHIP. WAS TOLD THAT REPAIRS NOT COVERED BY WARRANTY. COULD NOT AFFORD OUT OF POCKET. TRANSMISSION GOT WORSE AS DID OIL LEAK AND POWERSTEERING. 1/31/11 FIRESTONE SERVICED THE TRANSMISSION AND REPLACED THE LEAKING GASKET. THIS DID NOTHING TO HELP TRANSMISSION ISSUES. CONTACTED GM. WAS EVENTUALLY TOLD THAT EVEN THOUGH BURIEN CHEVROLET TOLD US THE PARTS WERE NOT COVERED BY WARRANTY, THAT IN FACT THE PARTS WERE COVERED BY WARRANTY AT THE TIME WE TOOK IT TO THE DEALER. BUT BECAUSE WE TOOK THE VEHICLE TO AN INDEPENDENT AUTO SHOP, THEIR WAS NOTHING GM COULD DO TO ASSIST US WITH OUR ISSUE. NOW I AM UNSURE HOW TO PROCEED. ANY ADVISE? THANK YOU FOR YOUR TIME. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10435423
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
49,011 miles · Jun 15, 2011
Power Train
SHIFT GEAR STICKING WOULD NOT MOVE. STRANDED AT 1 AM IN THE MORNING.
NHTSA ODI #10408008
Mileage unknown · Mar 8, 2011
Power Train
LETTER TO THE ADMINISTRATOR FROM REPORTING TRANSMISSION SLIPS INTERMITTENTLY IN HIS 2007 CHEVROLET IMPALA SS *TGW THE CONSUMER STATED THE TRANSMISSION PROBLEM USUALLY HAPPENED WHEN STARTING FROM A STANDSTILL OR WHILE MOVING AT A SLOW SPEED. THE CONSUMER TOOK THE VEHICLE TO THE DEALER FOR AN INSPECTION WHERE THEY CHECKED THE SH…
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LETTER TO THE ADMINISTRATOR FROM REPORTING TRANSMISSION SLIPS INTERMITTENTLY IN HIS 2007 CHEVROLET IMPALA SS *TGW THE CONSUMER STATED THE TRANSMISSION PROBLEM USUALLY HAPPENED WHEN STARTING FROM A STANDSTILL OR WHILE MOVING AT A SLOW SPEED. THE CONSUMER TOOK THE VEHICLE TO THE DEALER FOR AN INSPECTION WHERE THEY CHECKED THE SHIFT POINTS, CHECKED THE COMPUTER FOR FAULTS AND INSTALLED A SOFTWARE UPDATE IN THE COMPUTER. THE TRANSMISSION FLUID WAS IN SATISFACTORY CONDITION. THE DEALER STATED THEY WERE UNABLE TO OBSERVE ANY PROBLEMS WITH THE VEHICLE. *JB
NHTSA ODI #10388848
60,300 miles · Mar 7, 2011
Power Train
NO SIGNS OF FAILURE UNTIL PUT CAR IN PARK. TRIED TO PUT BACK INTO DRIVE AND SHIFT LEVER WOULD NOT MOVE. READ OWNERS MANUAL AND TRIED THEIR RECOMMENDATION, DID NOT WORK. FOUND THE GROUND WIRE FOR THE BTSI HAD BROKE DO TO FAULTY WIRING AT FACTORY, YET CHEVY WILL NOT COVER THE EXPENSE. REPAIR COST $165.60. IF THIS WERE TO HAPPEN …
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NO SIGNS OF FAILURE UNTIL PUT CAR IN PARK. TRIED TO PUT BACK INTO DRIVE AND SHIFT LEVER WOULD NOT MOVE. READ OWNERS MANUAL AND TRIED THEIR RECOMMENDATION, DID NOT WORK. FOUND THE GROUND WIRE FOR THE BTSI HAD BROKE DO TO FAULTY WIRING AT FACTORY, YET CHEVY WILL NOT COVER THE EXPENSE. REPAIR COST $165.60. IF THIS WERE TO HAPPEN IN COLD TEMPS, AN EMERGENCY, AT A TRAIN STOP OR ANYWHERE LIKE THAT IT COULD BE LIFE THREATENING SINCE THEIR IS NO OVERRIDE OTHER THAN TEARING APART CONSOLE TO HIT THE MANUAL RESET. THEIR IS ALSO A TECHNICAL BULLETIN ON THIS ISSUE, TELLING ME IT HAPPENS QUITE FREQUENTLY. *TR
NHTSA ODI #10386774
45,000 miles · Feb 9, 2011
Power Train
CAR DOES NOT SHIFT OUT OF PARK WITH BRAKES APPLIED AND IGNITION ON. *TR
NHTSA ODI #10381227
46,121 miles · Dec 14, 2010
Power Train
PARKED CAR IN DRIVEWAY AFTER COMING HOME FROM WORK. WENT BACK OUT TO GO OUT AND COULD NOT GET CAR OUT OF PARK. HAD TO BE TOWED TO DEALER, SUPPLIED WITH "RENTAL VEHICLE" WHICH I PAID FOR. DEALER STATED BROKEN WIRE IN SOLENOID CONNECTION IN CENTER CONSOLE. *TR
NHTSA ODI #10370523
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
51,000 miles · Jun 14, 2010
Power Train
I PURCHASED A 2007 CHEVY IMPALA LT WITH 52,000 ON 5.27.10. THE CAR IS UNSAFE, MAKES LOUD ROAD NOISE, THE TIRES ARE WEARING OUT FUNNY, EVEN THO THE CAR WAS PERFECT WHEN I BOUGHT IT. THE BRAND NEW TIRES ARE WEARING OUT FUNNY, I TOOK IT TO 2 SHOPS, HAD ROTORS REPLACED THAT WERE WARPED, BALANCED, AND ROTATED TIRES, TOMORROW GETTING …
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I PURCHASED A 2007 CHEVY IMPALA LT WITH 52,000 ON 5.27.10. THE CAR IS UNSAFE, MAKES LOUD ROAD NOISE, THE TIRES ARE WEARING OUT FUNNY, EVEN THO THE CAR WAS PERFECT WHEN I BOUGHT IT. THE BRAND NEW TIRES ARE WEARING OUT FUNNY, I TOOK IT TO 2 SHOPS, HAD ROTORS REPLACED THAT WERE WARPED, BALANCED, AND ROTATED TIRES, TOMORROW GETTING IT ALIGNED AGAIN, THE DEALER ALIGNED IT WHEN I PURCHASED IT LESS THAN A MONTH AGO. THE TIRES ALSO NEED BALANCED AGAIN EVEN THO I GOT IT DONE A WEEK AGO. I DON'T FEEL SAFE DRIVING THIS CAR IT HAS A SERIOUS DEFECT WITH THE CAR NOT THE TIRES, SOME KIND OF ALIGNMENT PROBLEM A GM DEFECT, AND I'M SEEING ALOT OF OTHERS SAME THE SAME THING AS ME ON THE FORUMS ABOUT THE 2007 IMPALA. THE TRANSMISSION SLIPS WHEN TAKING OFF FROM A LIGHT IN CITY AT LOW SPEEDS, I PUSH THE GAS PEDDLE JUST A LITTLE BIT TO SPEED UP LIKE A CAR IS DESIGNED TO DO BUT THE RPMS GO UP BUT THE CAR DOES NOT SPEED UP TO KEEP UP WITH TRAFFIC, I PUSH THE GAS PEDDLE DOWN HALF WAY AND THE OVERDRIVE KICKS IN WITHOUT EXPECTING IT AND IT SPEEDS UP LIKE A ROCKET IN 30MPH TRAFFIC. THE CAR STRUGGLES AND KICKS ITS OVERDRIVE IN TO JUST SPEED UP IN THE CITY, SOMETHING ISN'T RIGHT WITH THIS. IM AFRAID TO DRIVE ON THE HIGHWAY WITH THE TIRE WEAR ISSUE, THE TIRES ARE BEING RUINED AND NO EXCUSE FOR IT. IM SAVING AND FILING ALL REPAIRS DONE TO MY IMPALA... I REALLY AM AFRAID TO DRIVE THIS CAR OVER 50MPH, I DON'T THINK MY LIFE SHOULD BE AT RISK BECAUSE GM SLAPPED TOGETHER A CAR WITHOUT MAKING IT SAFE. I DON'T FEEL SAFE DRIVING THE CAR, IT DOESN'T HANDLE OR STIR THAT WELL EITHER, NOT VERY RESPONSIVE. I'M SHOCKED THAT GM PUT OUT SUCH A VEHICLE, IT'S A MESS AND I DON'T GET IT? IT'S A FACTORY PROBLEM GM OVERLOOKED AND NOT WILLING TO RECALL. THEY SHOULD CONSIDERING IT'S UNSAFE. THE CAR HAS OTHER ISSUES AS WELL.. A WARNING LIGHT CAME UP SAYING DRIVER SIDE AIRBAG NOT WORKING, IT CORRECTED ITSELF AND WENT AWAY, I HOPE THE AIRBAGS ARE WORKING PROPERLY? MY GIRLFRIEND SITS IN THAT SEAT. I WANT HER SAFE. *TR
NHTSA ODI #10336336