NHTSA owner reports · September 18, 2026 snapshot.
Engine And Engine Cooling complaints
30 reportsClear category filter89,000 miles · Apr 12, 2010
Engine And Engine Cooling
2007 CHEVROLET IMPALA HAS STRONG ODOR (SKUNK-LIKE SMELL) THAT RADIATES FROM THE VEHICLE'S INTERIOR WHEN THE OUTSIDE CLIMATE BEGINS TO WARM UP. GM ISSUED A TSB (#08-08-110-019) FOR THE PROBLEM, BUT WILL NOT REPAIR VEHICLES THAT ARE OUT OF WARRANTY. THE PROBLEM PERTAINS TO INCORRECT PARTS (A RUBBER BRAKE BOOSTER BOOT AND INSTRUMEN…
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2007 CHEVROLET IMPALA HAS STRONG ODOR (SKUNK-LIKE SMELL) THAT RADIATES FROM THE VEHICLE'S INTERIOR WHEN THE OUTSIDE CLIMATE BEGINS TO WARM UP. GM ISSUED A TSB (#08-08-110-019) FOR THE PROBLEM, BUT WILL NOT REPAIR VEHICLES THAT ARE OUT OF WARRANTY. THE PROBLEM PERTAINS TO INCORRECT PARTS (A RUBBER BRAKE BOOSTER BOOT AND INSTRUMENT PANEL INSULATOR PAD) INSTALLED IN VEHICLES BETWEEN JANUARY 1 2007 AND MARCH 1 2007 THAT EMIT THIS ODOR. THE SMELL IS SO SEVERE AT TIMES THAT IT CAUSES SEVERE HEADACHES AND NAUSEA TO THE VEHICLES OCCUPANTS. ON SEVERAL OCCASIONS, THE CAR HAD TO BE STOPPED AND ALL OCCUPANTS EXIT WHILE THE CAR "AIRED-OUT". SURELY, STRONG CHEMICALS ARE BEING DISBURSED IN A SMALL SPACE THAT IS MAKING PEOPLE SICK AND GM NEEDS TO ADDRESS THIS ISSUE. *TR
NHTSA ODI #10325051
3,000 miles · Mar 1, 2010
Air BagsElectrical SystemEngine And Engine Cooling
SHORTLY AFTER PURCHASING THE VEHICLE, ELECTRICAL SYSTEM AND ON-BOARD COMPUTER ISSUES STARTED OCCURRING: TIRE MONITOR SYSTEM (TPMS) IN-OP. WARNINGS RANDOMLY APPEARING IN DASH: CHECK TIRE MONITOR SYSTEM. CHECK LEFT/RIGHT REAR TIRE PRESSURE. TPMS DID NOT WARN OF A FLAT TIRE EVEN THOUGH A SIGNIFICANT AMOUNT OF AIR WAS LOST. INCREASI…
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SHORTLY AFTER PURCHASING THE VEHICLE, ELECTRICAL SYSTEM AND ON-BOARD COMPUTER ISSUES STARTED OCCURRING: TIRE MONITOR SYSTEM (TPMS) IN-OP. WARNINGS RANDOMLY APPEARING IN DASH: CHECK TIRE MONITOR SYSTEM. CHECK LEFT/RIGHT REAR TIRE PRESSURE. TPMS DID NOT WARN OF A FLAT TIRE EVEN THOUGH A SIGNIFICANT AMOUNT OF AIR WAS LOST. INCREASING NO. OF ISSUES WITH ELECTRICAL SYSTEM: KEYLESS ENTRY FAILS. CHECK AIRBAG WARNING APPEARS. CHECK A/C WARNING IN DASH. AMBIENT TEMPERATURE GAUGE ERRATIC. COMPASS SHOWING N (OR NE/NW BUT ALWAYS INCORRECT HEADING). CRUISE CONTROL WILL NOT RESUME AT TIMES OR SET INCORRECT SPEED (A FEW M/H HIGHER OR LOWER). SPEED HAS INCREASED ON ITS OWN. ONCE, I NOTICED THE SPEED AT OVER 80M/H WHEN I HAD SET THE CRUISE CONTROL AT 70. DASH DISPLAYING WARNINGS QUICKLY AND YELLOW WARNING LIGHTS FLASH BRIEFLY, WHICH IS EXTREMELY DISTRACTING AND WARNINGS CANNOT BE READ. TPMS LIGHT COMES ON ROUTINELY AFTER DRIVING FOR 1-3 HOURS. WARNINGS MAY FLASH AT ANY TIME. TOOK THE VEHICLE IN SIX TIMES AT THE REQUEST OF GM. SOME PARTS WERE REPLACED BUT ELECTRICAL ISSUES KEEP INCREASING AND ORIGINAL ISSUES CANNOT BE FIXED. KEYLESS ENTRY WORKING FOR NOW, AFTER COMPONENTS WERE REPLACED TWICE. E-BRAKE DID NOT WORK WHEN THE VEHICLE WAS PURCHASED. THOUGH PROMISED BY DELIVERY, CAR HAD TO BE TAKEN IN FIVE TIMES FOR E-BRAKE TO WORK MODESTLY. I AM NOT IN POSSESSION OF ANY OLD PARTS AS REPAIRS WERE PERFORMED UNDER WARRANTY. *TR
NHTSA ODI #10315259
56,000 miles · Jan 27, 2010
Engine And Engine Cooling
TL*THE CONTACT OWNS 2007 CHEVROLET IMPALA LS. SHE STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE STALLED AT VARIOUS SPEEDS. THE CHECK ENGINE LIGHT ILLUMINATED. HER INDEPENDENT MECHANIC REPLACED THE CAM SHAFT SENSOR WHICH CORRECTED THE FAILURE BRIEFLY, HOWEVER THE FAILURE PERSISTED. SHE WAS UNAWARE IF THERE WERE ANY …
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TL*THE CONTACT OWNS 2007 CHEVROLET IMPALA LS. SHE STATED THAT WHILE DRIVING APPROXIMATELY 25 MPH, THE VEHICLE STALLED AT VARIOUS SPEEDS. THE CHECK ENGINE LIGHT ILLUMINATED. HER INDEPENDENT MECHANIC REPLACED THE CAM SHAFT SENSOR WHICH CORRECTED THE FAILURE BRIEFLY, HOWEVER THE FAILURE PERSISTED. SHE WAS UNAWARE IF THERE WERE ANY RECALLS ON HER VEHICLE. THE FAILURE AND CURRENT MILEAGES WERE UNDER 56,000.
NHTSA ODI #10302639
Mileage unknown · Nov 13, 2009
Electrical SystemEngine And Engine CoolingEquipment
CONSUMER'S 2007 CHEVY IMPALA HAS MANY ISSUES WITH BATTERY, MOTOR MOUNT, AIR CONDITIONING AND HEATING. ELECTRONIC COMPONENT. *NJ THE CD CHANGER AND DRIVER SIDE SEAT MOTOR FAILED AS WELL. *JB
NHTSA ODI #10291748
77,000 miles · Jul 8, 2009
Engine And Engine Cooling
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 15 MPH, THE VEHICLE SUDDENLY STALLED AND WOULD NOT RESTART FOR AT LEAST 15 MINUTES. AFTERWARDS, THE CONTACT HAD TO RESTART THE ENGINE TO SEE IF THE VEHICLE WAS WORKING PROPERLY. THE VEHICLE WAS TAKEN TO A MECHANIC SEVERAL TIMES, BUT THE FAILURE COULD NOT BE DIAGNOSED.…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 15 MPH, THE VEHICLE SUDDENLY STALLED AND WOULD NOT RESTART FOR AT LEAST 15 MINUTES. AFTERWARDS, THE CONTACT HAD TO RESTART THE ENGINE TO SEE IF THE VEHICLE WAS WORKING PROPERLY. THE VEHICLE WAS TAKEN TO A MECHANIC SEVERAL TIMES, BUT THE FAILURE COULD NOT BE DIAGNOSED. THE DEALER STATED THAT THE BODY CONTROL MODULE NEEDED TO BE REPLACED. THE CONTACT BELIEVES THAT THIS IS A MANUFACTURER DEFECT AND THEY SHOULD BE RESPONSIBLE FOR THE REPAIRS. THE FAILURE MILEAGE WAS 77,000 AND CURRENT MILEAGE WAS 80,000.
NHTSA ODI #10276081
35,700 miles · Dec 21, 2008
Engine And Engine Cooling
5WEEKS AGO I TOOK MY CAR IN FOR A HEATING PROBLEM THE DEALERS SERVICE DEPT. PUT A GALLON OF ANTIFREEZE IN CHARGED ME 67.00 AND SAID IT WAS FIXED ONE WEEK LATER SAME PROBLEM TOOK IT IN THEY HAD IT FOR 6HOURS SAID IT WAS FIXED A WEEK LATER SAME PROBLEM AGAIN THEY SAID IT WAS FIXED A WEEK GOES BY SAME PROBLEM , AND SO ON IT GOES …
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5WEEKS AGO I TOOK MY CAR IN FOR A HEATING PROBLEM THE DEALERS SERVICE DEPT. PUT A GALLON OF ANTIFREEZE IN CHARGED ME 67.00 AND SAID IT WAS FIXED ONE WEEK LATER SAME PROBLEM TOOK IT IN THEY HAD IT FOR 6HOURS SAID IT WAS FIXED A WEEK LATER SAME PROBLEM AGAIN THEY SAID IT WAS FIXED A WEEK GOES BY SAME PROBLEM , AND SO ON IT GOES ,THIS WILL BE MY FIFTH TRIP FOR SAME PROBLEM ,HAS THERE BEEN OTHER COMPLAINTS ABOUT HEATING ISSUES IN IMPALAS. *TR
NHTSA ODI #10252479
100 miles · Sep 9, 2008
Engine And Engine CoolingLatches/locks/linkagesSeats
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE BRAKES WOULD SQUEAK VERY LOUDLY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE DEALER STATED THAT THE BRAKES WERE LUBRICATED AND SHOULD BE FINE. TWO MONTHS LATER, THE TIRE PRESSURE SENSOR ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER PLACED AIR INTO THE TIRE…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. THE CONTACT STATED THAT THE BRAKES WOULD SQUEAK VERY LOUDLY WHEN THE BRAKE PEDAL WAS DEPRESSED. THE DEALER STATED THAT THE BRAKES WERE LUBRICATED AND SHOULD BE FINE. TWO MONTHS LATER, THE TIRE PRESSURE SENSOR ILLUMINATED ON THE INSTRUMENT PANEL. THE DEALER PLACED AIR INTO THE TIRE AND THE SENSOR WARNING LIGHT ILLUMINATED AGAIN. THE DEALER STATED THAT THE SENSOR MALFUNCTIONED; THEREFORE, IT WAS REPLACED AND RECALIBRATED. THE CONTACT THEN BEGAN TO HEAR A RATTLING NOISE COMING FROM THE REAR PASSENGER SIDE. THE DEALER STATED THAT THE BRACKET FOR THE EXHAUST MANIFOLD MALFUNCTIONED AND WAS REPAIRED. THE LATCH MECHANISM ON THE DRIVER'S SIDE DOOR MALFUNCTIONED AND CAUSED THE DOOR TO SHAKE RAPIDLY WHILE IN MOTION. THE DEALER REPLACED THE DOOR LATCH. WHILE DRIVING 40 MPH, HE SUDDENLY DEPRESSED THE BRAKE PEDAL TO AVOID A CRASH ON THE INTERSTATE. THE DRIVER'S SEAT BRACKET SNAPPED AND THREW THE CONTACT BACKWARDS INTO THE REAR SEAT. THE PASSENGER IN THE VEHICLE GRABBED THE STEERING WHEEL TO AVOID A CRASH. THE CONTACT WAS COMPLETELY DISPLACED FROM THE NORMAL DRIVING POSITION. THE VEHICLE WAS TOWED TO THE DEALER AND WAS UNABLE TO BE DRIVEN. THE DEALER STATED THAT THE SEAT NEEDED TO BE REPLACED, BUT MADE THE NECESSARY REPAIRS IN ORDER FOR THE VEHICLE TO BE DRIVEN AGAIN. THE FAILURE MILEAGE WAS 100 AND CURRENT MILEAGE WAS 21,932.
NHTSA ODI #10241591
21,900 miles · Sep 9, 2008
Engine And Engine CoolingSeatsService Brakes, Hydraulic
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 30 MPH, THE DRIVER SEAT COMPLETELY DETACHED AND THREW THE CONTACT INTO THE BACK SEAT. HIS SPOUSE WAS ABLE TO GRAB THE STEERING WHEEL TO PREVENT A CRASH. THE VEHICLE WAS TOWED TO THE DEALER AND THEY REPAIRED IT UNDER WARRANTY. THE CONTACT SPOKE WITH THE MANUFACTURER A…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING 30 MPH, THE DRIVER SEAT COMPLETELY DETACHED AND THREW THE CONTACT INTO THE BACK SEAT. HIS SPOUSE WAS ABLE TO GRAB THE STEERING WHEEL TO PREVENT A CRASH. THE VEHICLE WAS TOWED TO THE DEALER AND THEY REPAIRED IT UNDER WARRANTY. THE CONTACT SPOKE WITH THE MANUFACTURER AND WAS INFORMED THAT THEY WOULD INVESTIGATE THE FAILURE AND CALL HIM BACK. THE CURRENT MILEAGE WAS 21,924 AND FAILURE MILEAGE WAS 21,900. UPDATED 10/03/08 *BF THE FRONT BRAKES SQUEAKED IRREGULARY WHENEVER THE CONSUMER TRIED TO STOP, THE TIRE PRESSURE MONTIORING SYSTEM WOULD INFORMT HE COSUMER ONE OR MORE OF THE TIRE WERE LOW, THE CONSUMER WAS TOLD THE TIRE SENSORS WERE BAD AFTER HAVING RETURNED FOR A SECOND TIME FOR THE SAME ROBLEM. THE BRACKET ON THE REAR MUFFLER HAD BROKEN, THE LATCH IN THE FRONT DRIVERS DOOR HAD BROKEN AND NEEDED TO BE REPLACED. UPDATED 10/07/08. *JB
NHTSA ODI #10241581
12,500 miles · Jun 11, 2008
Engine And Engine CoolingVehicle Speed Control
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 40 MPH AT 2,000 RPM, THE CONTACT RELEASED THE ACCELERATOR PEDAL AND THE RPM IMMEDIATELY INCREASED. OCCASIONALLY, THE RPM WILL REMAIN THE SAME WHEN PRESSURE IS RELEASED FROM THE ACCELERATOR PEDAL. AFTER THE FAILURE OCCURS, THE VEHICLE WILL CONTINUE TO ACC…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE DRIVING APPROXIMATELY 40 MPH AT 2,000 RPM, THE CONTACT RELEASED THE ACCELERATOR PEDAL AND THE RPM IMMEDIATELY INCREASED. OCCASIONALLY, THE RPM WILL REMAIN THE SAME WHEN PRESSURE IS RELEASED FROM THE ACCELERATOR PEDAL. AFTER THE FAILURE OCCURS, THE VEHICLE WILL CONTINUE TO ACCELERATE FOR A FEW SECONDS. AFTER A PERIOD OF TIME, THE RPM'S WILL RETURN TO NORMAL. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALER, BUT THEY COULD NOT DETERMINE THE CAUSE OF THE FAILURE. THE MECHANIC STATED THAT THERE WAS NOT A SOLUTION TO CORRECT THE FAILURE. THE VEHICLE HAS NOT BEEN REPAIRED. THE FAILURE MILEAGE WAS 12,500 AND CURRENT MILEAGE WAS 14,900. UPDATED 7/3/08 *CN UPDATED 07/03/08 *JB
NHTSA ODI #10230745
3,200 miles · Apr 10, 2007
Electrical SystemEngine And Engine CoolingSteering
TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE ATTEMPTING TO TURN THE VEHICLE AT 15 MPH THROUGH A PUDDLE OF WATER THE STEERING WHEEL LOCKED. THE VEHICLE WAS BROUGHT TO THE DEALER FOUR TIMES ,AND THE SERPENTINE BELT AND TENSIONER WERE REPLACED. THE VEHICLE WAS PLACED ON A DIAGNOSTIC MACHINE ON SEVERAL OCCASIONS, BUT THE CA…
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TL*THE CONTACT OWNS A 2007 CHEVROLET IMPALA. WHILE ATTEMPTING TO TURN THE VEHICLE AT 15 MPH THROUGH A PUDDLE OF WATER THE STEERING WHEEL LOCKED. THE VEHICLE WAS BROUGHT TO THE DEALER FOUR TIMES ,AND THE SERPENTINE BELT AND TENSIONER WERE REPLACED. THE VEHICLE WAS PLACED ON A DIAGNOSTIC MACHINE ON SEVERAL OCCASIONS, BUT THE CAUSE OF FAILURE COULD NOT BE DETERMINED. THE CURRENT MILEAGE 5,600, AND FAILURE MILEAGE WAS 3,200. *AK THE DEALER STATED HAD TO PERFORM ELECTRICAL DIAGNOSTIC AND VERIFIED AIR BAG LIGHT ON AND TIRE MONITOR SYSTEM WAS ON, THE DEALER REPAIRED BOTH DEFECTS. THE CONSUMER STATED WANTS TO BE EITHER REIMBURSED FOR REPAIRS AND OR NEW VEHICLE AND OR BE REPLACED. THE AIR BAG LIGHT ILLUMINATED AND THERE WAS ALSO A PORLBME WITH THE POWER STEERING LOCKING UP. UPDATED 05/22/07*TR
NHTSA ODI #10187437