NHTSA owner reports · September 18, 2026 snapshot.
Power Train complaints
80 reportsClear category filterMileage unknown · Jul 25, 2014
Electrical SystemPower Train
AFTER DRIVING IT FOR MANY YEARS AND HAVING NO PROBLEMS, I DROVE IT A SHORT DISTANCE AND PARKED AND COULD NOT REMOVE THE KEY, I TRIED TAKING IT OUT OF PARK AND PUTTING IT BACK IN PARK AND AFTER TRYING THAT SEVERAL TIMES AND IT NOT WORKING I TRIED (JIGGLING THE SHIFTER WHEN IT WAS IN PARK) AND IT RELEASED. IT HAPPENED AGAIN FOR T…
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AFTER DRIVING IT FOR MANY YEARS AND HAVING NO PROBLEMS, I DROVE IT A SHORT DISTANCE AND PARKED AND COULD NOT REMOVE THE KEY, I TRIED TAKING IT OUT OF PARK AND PUTTING IT BACK IN PARK AND AFTER TRYING THAT SEVERAL TIMES AND IT NOT WORKING I TRIED (JIGGLING THE SHIFTER WHEN IT WAS IN PARK) AND IT RELEASED. IT HAPPENED AGAIN FOR THE 2ND DAY IN A ROW. I WILL BRING IT TO A LOCAL REPAIR SHOP AFTER THE WEEKEND IS OVER AND SEE IF IT IS A BAD WIRE OR SOMETHING. *TR
NHTSA ODI #10616301
95,000 miles · Jul 7, 2014
Air BagsEnginePower Train
TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE AIRBAG AND THE ENGINE WARNING LIGHTS ILLUMINATED. THE CONTACT MENTIONED THAT WHILE AT A STOP LIGHT AND ATTEMPTING TO DRIVE, THE VEHICLE JERKED. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC AND THE FAILURE WAS UNABLE TO BE REPLICATED. THE VEHICLE WAS NOT REP…
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TL* THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE AIRBAG AND THE ENGINE WARNING LIGHTS ILLUMINATED. THE CONTACT MENTIONED THAT WHILE AT A STOP LIGHT AND ATTEMPTING TO DRIVE, THE VEHICLE JERKED. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC AND THE FAILURE WAS UNABLE TO BE REPLICATED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 95,000 AND THE CURRENT MILEAGE WAS 139,000.
NHTSA ODI #10608627
Mileage unknown · May 20, 2014
Electrical SystemPower Train
THE VEHICLE FAILED TO SHIFT INTO PARK. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THERE WAS A BROKEN WIRE IN THE BTSI SOLENOID TERMINAL WHICH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BY RE WIRING THE GROUND WIRE TO THE SHIFTER WHERE THE PIN HAD BROKEN. ON MAY 3RD THE KEY GOT STUCK IN THE IGN…
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THE VEHICLE FAILED TO SHIFT INTO PARK. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THE TECHNICIAN DIAGNOSED THAT THERE WAS A BROKEN WIRE IN THE BTSI SOLENOID TERMINAL WHICH NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED BY RE WIRING THE GROUND WIRE TO THE SHIFTER WHERE THE PIN HAD BROKEN. ON MAY 3RD THE KEY GOT STUCK IN THE IGNITION AND WOULD NOT COME OUT. LET THE CAR SIT FOR 24 HOURS THE BATTERY DIED AND THE KEY RELEASED OUT OF THE IGNITION. TOOK THE CAR TO THE DEALERSHIP ON MAY 5, 2014 AND THE SHIFTER WIRES WERE RE CONSTRUCTED. CAR STILL ACTS AS IF THE SHIFTER IS NOT GOING TO SHIFT. *TR
NHTSA ODI #10592725
114,000 miles · Mar 19, 2014
Power Train
BOUGHT CAR (2007 IMPALA SS) 2 YEARS AGO I DRIVE IT MOSTLY ON HIGHWAY TO WORK WITH SINCE THEN HAS RANGED DOWN FROM 85 MILES A DAY TO ABOUT 40 AN LAST YEAR AROUND THIS EXACT TIME MY TRANSMISSION WENT COMPLETELY OUT I HAD IT REBUILT FULLY FOR ALMOST 2000 DOLLARS AN JUST LAST WEEK I NOTICED SLIPPAGE AGAIN I TOOK IT IN TO WHERE I HAD…
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BOUGHT CAR (2007 IMPALA SS) 2 YEARS AGO I DRIVE IT MOSTLY ON HIGHWAY TO WORK WITH SINCE THEN HAS RANGED DOWN FROM 85 MILES A DAY TO ABOUT 40 AN LAST YEAR AROUND THIS EXACT TIME MY TRANSMISSION WENT COMPLETELY OUT I HAD IT REBUILT FULLY FOR ALMOST 2000 DOLLARS AN JUST LAST WEEK I NOTICED SLIPPAGE AGAIN I TOOK IT IN TO WHERE I HAD IT REBUILT AN THE SCANNER SOWED THE TORQUE CONVERTER WAS FAILING SO I REPLACED IT AGAIN AN A DAY LATER I'M NOTICING IT AGAIN , I DON'T ,MIND REPAIRING WEAR AN TEAR ON VEHICLES BUT A TRANSMISSION EVER YEAR IS RIDICULOUS AN EXTREME FA THE GENERAL PUBLIC TO DEAL WITH I AM HOPING THAT GM RECALLS THIS PROBLEM ,AN I AM SEEING AN HEARING A LOT OF FOLKS WITH THIS PROBLEM IF ANYTHING CAN BE DONE TO HELP PLEASE CONTACT ME. *TR
NHTSA ODI #10573332
72,500 miles · Mar 4, 2014
Power Train
STARTED HAVING TROUBLE WITH MY TRANSMISSION A WHILE BACK. IF I WAS AT A STOP AND TRIED TO ACCELERATE IT WAS SLOWLY TAKE OF THEN ALL OF SUDDEN SLAM INTO THE RIGHT GEAR THEN TAKE OFF. IT ALSO HAPPENED EVEN IF I DIDNT COME TO A COMPLETE STOP AND TRIED TO GO AGAIN. MY CHECK ENGINE LIGHT CAME ON AFTER ABOUT A MONTH OF THIS HAPPENING.…
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STARTED HAVING TROUBLE WITH MY TRANSMISSION A WHILE BACK. IF I WAS AT A STOP AND TRIED TO ACCELERATE IT WAS SLOWLY TAKE OF THEN ALL OF SUDDEN SLAM INTO THE RIGHT GEAR THEN TAKE OFF. IT ALSO HAPPENED EVEN IF I DIDNT COME TO A COMPLETE STOP AND TRIED TO GO AGAIN. MY CHECK ENGINE LIGHT CAME ON AFTER ABOUT A MONTH OF THIS HAPPENING. I HAD IT CHECKED. IT WAS A SHIFT SOLENOID. SINCE I WAS STILL UNDER WARRANTY I HAD IT REPLACED. IT WAS FINE TILL ABOUT A TWO WEEKS AGO 08/20/2013. NOW MY TRANSMISSION IS DOING THE SAME THING AGAIN.
NHTSA ODI #10567316
89,000 miles · Mar 1, 2014
Power TrainStructure
AFTER STOPPING, I PUSH ON THE ACCELERATOR, THE ENGINE REVS BUT THE TRANSMISSION DOES NOT ENGAGE, AFTER TWO SECONDS THE CAR WILL SLAM INTO GEAR AND VIOLENTLY LURCH FORWARD. POWERFUL ENOUGH TO STRAIN MY NECK. VERY DANGEROUS. *TR
NHTSA ODI #10566644
53,000 miles · Feb 26, 2014
Engine And Engine CoolingPower Train
NO HEAT IN CAR, OVER HEATING, TOOK TO GARAGE, IT IS HEAD GASKET. VERY EXPENSIVE TO FIX,ONLY 53,000 MILES. *TR
NHTSA ODI #10565959
112,564 miles · Nov 11, 2013
Power Train
2007 IMPALA SS. TRANSMISSION HESITATION OCCURS WHEN GOING AROUND 45-60 MPH. CAR SEMI-ENGAGES SHIFTING, BUT THEN BACKS OUT, GIVING A CHUGGING SENSATION WHILE DRIVING IN THAT SPEED RANGE. HIGHER SPEEDS ABOVE 60 PRODUCES AN INCREDIBLE SCREECH/WHINE NOISE. CURRENTLY IN SHOP FOR TRANSMISSION DIAGNOSTICS. AT 74,000 MILES CLUTCH W…
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2007 IMPALA SS. TRANSMISSION HESITATION OCCURS WHEN GOING AROUND 45-60 MPH. CAR SEMI-ENGAGES SHIFTING, BUT THEN BACKS OUT, GIVING A CHUGGING SENSATION WHILE DRIVING IN THAT SPEED RANGE. HIGHER SPEEDS ABOVE 60 PRODUCES AN INCREDIBLE SCREECH/WHINE NOISE. CURRENTLY IN SHOP FOR TRANSMISSION DIAGNOSTICS. AT 74,000 MILES CLUTCH WAS REPLACED DUE TO IT BEING CRACKED IN HALF. GM HAS EITHER MAD POOR TRANSMISSION ENGINEERING, USING SHOTTY PARTS, OR THIS TRANSMISSION IS OVERLY UNDERRATED FOR THE POWER OF THE ENGINE. *TR
NHTSA ODI #10551764
89,000 miles · Aug 17, 2013
EngineFuel System, GasolinePower Train
FIRST, WHEN I SLOW DOWN TO TURN A CORNER, I TAKE MY FOOT OFF THE GAS. AFTER THE TURN, WHEN I PRESS THE GAS I HAVE NO POWER. IT DOESN'T DIE, IT JUST WON'T GO ANYWHERE FOR ABOUT 15-20 SECONDS, NO POWER. THAT DOESN'T SOUND LIKE A LONG TIME UNLESS YOU ARE SITTING IN THE MIDDLE OF A BUSY INTERSECTION. I HAVE TO COME TO A COMPLETE STO…
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FIRST, WHEN I SLOW DOWN TO TURN A CORNER, I TAKE MY FOOT OFF THE GAS. AFTER THE TURN, WHEN I PRESS THE GAS I HAVE NO POWER. IT DOESN'T DIE, IT JUST WON'T GO ANYWHERE FOR ABOUT 15-20 SECONDS, NO POWER. THAT DOESN'T SOUND LIKE A LONG TIME UNLESS YOU ARE SITTING IN THE MIDDLE OF A BUSY INTERSECTION. I HAVE TO COME TO A COMPLETE STOP FOR ABOUT 20-30 SECONDS, THEN TAKE OFF. SOMETIMES IT GOES, BUT FEELS LIKE IT JERKS INTO GEAR. THAT'S OK AT STOP SIGNS BUT STOP LIGHTS THAT TURN GREEN AS I APPROACH CAN BE DANGEROUS. ALSO, IF I TURN A CORNER ONTO ANOTHER STREET, IT HESITATES. AND SOMETIMES I HAVE ALMOST BEEN HIT FROM BEHIND. PEOPLE EXPECT YOU TO TURN AND PROCEED. WHEN YOU JUST STOP, THEY MAY NOT. I ALSO NOTICED ONE DAY, WHEN I JUST COAST ON A LEVEL ROAD, MY CAR SOMETIMES ACCELERATES FOR QUITE A WHILE, INSTEAD OF SLOWING DOWN IMMEDIATELY. I ONCE TOOK MY FOOT OFF THE GAS AT 45 MPH AND COASTED ON FLAT ROAD FOR 2.5 MILES. THE LATEST RELATED PROBLEM IS.. SPRING 2013, TWICE, I TURNED A CORNER AND IT JUST DIED. I HAD TO PULL OVER TO THE SIDE OF THE ROAD TO GET OUT OF TRAFFIC. AFTER A FEW MINUTES, IT CRANKED BACK UP. THANKFULLY, I WAS ON A CITY STREET AND NOT A FOUR LANE ROAD. I ALSO HAVE PROBLEMS WITH PARKING. I PUT MY FOOT ON THE BRAKES AND PULL INTO PARKING SPOT. WHEN I PUT IT IN PARK, IT LUNGES FORWARD. OR IF I STOP IN TRAFFIC, SOMETIMES IT LUNGES AFTER IT STOPS. I HAVE TO MAKE SURE THAT I LEAVE PLENTY OF ROOM IN FRONT FOR THIS PROBLEM. I THINK IT HAS SOMETHING TO DO WITH THE COMPUTER ALLOWING THE GAS TO FLOW OR STOP. I HAD THE TRANSMISSION REBUILT AND IT STILL DOES IT. *TR
NHTSA ODI #10535900
124,000 miles · Aug 8, 2013
Power Train
WHEN I PUT MY CAR IN PARK I CANNOT GET THE KEY TO DISENGAGE FROM THE IGNITION SO THAT I AM ABLE TO TAKE THE KEY OUT. I HAVE TRIED JIGGLING THE GEAR SHIFT ETC AND IT WILL NOT COME OUT REGARDLESS OF WHAT I TRY. *TR
NHTSA ODI #10534210