2008 Pontiac Grand Prix Problems
Owner-reported complaints filed with NHTSA, grouped by component
Data refreshed
What this page shows
Everything below is an owner-reported complaint submitted to NHTSA about the 2008 Pontiac Grand Prix, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.
Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.
Reports by component
Ranked by how many owner reports name each component category
- Electrical4322.4%
- Exterior lighting2915.1%
- Engine2412.5%
- Airbags2211.5%
- Powertrain (other)147.3%
- Brakes126.3%
- Driver assistance115.7%
- Steering94.7%
- Body & structure63.1%
- Fuel system52.6%
- Transmission42.1%
- Tires & wheels31.6%
- Visibility21.0%
- Interior & seats21.0%
- Other / unspecified21.0%
- Seat belts21.0%
- Suspension10.5%
- Heating & air conditioning10.5%
Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.
Each component in detail
What the reports in each category say, in the owners' own words
Electrical
Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.
From owner reports, verbatim
The contact owns a 2008 Pontiac Grand Prix. The contact stated that while driving at various speeds, the ignition switch unintendedly turned off the vehicle, and the vehicle lost power. The contact was able to immediately restart the vehicle. Occasionally, the contact had to wait for several minutes before the vehicle restarted and was able to be driven. The failure had become more persistent over time and the contact became aware that the failure mostly occurred in warmer weather. The contact became aware of NHTSA Campaign Number: 14V400000 (Electrical System); however, the VIN was not included in the recall. The vehicle was not taken to the dealer to be diagnosed or repaired. The manufacturer was not informed of the failure. The failure mileage was approximately 194,000.
Purchased the car in march and filed with local dealership to get the recall repaired for the ignition. 6 months later and the dealership says that GM hasn’t sent the part. It’s needs repaired now. I’m tired of waiting, it shouldn’t take this long to get a recall repaired.
Exterior lighting
Reports naming headlights, tail lights, turn signals and other exterior lighting.
From owner reports, verbatim
Low beam lights quit randomly, running lights did once too. This has happened multiple times so I switch to hi beams before I crash. This is a documented safety issue and recall should include my car.
WHEN I TURN OFF MY CAR MY DAYTIME RUNNING LIGHT WILL NOT STAY OFF AND IT KILLS MY BATTERY. I LOOKED ONLINE FOR HELP WITH THIS AND IT SEEMS MY CAR IS NOT THE ONLY PONTIAC GRAND PRIX WITH THIS PROBLEM YET I SEE NO RECALLS FOR THIS. CAN YOU PLEASE HELP ME?
Engine
Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.
From owner reports, verbatim
I WAS RIDING ON THE HIGHWAY AND A CAR INFRONT OF ME SLAMMED ON BRAKES AVOIDING A DEER CAUSING ME TO SLAM ON BRAKES EVER SINCE I HAVE HAD A OIL LEAK RUNNING DOWN THE MANIFOLD. I NEVER WRECKED INTO THE VECHILE IN FRONT OF ME I SEEN ON DIFFRENT YEAR PONIAC WERE SIMULAR RECALLS WERE MADE.
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. WHILE DRIVING APPROXIMATELY 55 MPH, THE VEHICLE STALLED WITHOUT WARNING. THERE WERE NO WARNING INDICATORS ILLUMINATED. THE CONTACT PULLED THE VEHICLE OVER TO THE SIDE OF THE ROAD, WAITED A FEW SECONDS, AND THE VEHICLE STARTED NORMALLY. THE CONTACT STATED THAT THE FAILURE OCCURRED SPORADICALLY FOR TWO YEARS. THE VEHICLE WAS TAKEN TO BOB KING BUICK GMC (5115 NEW CENTRE DR, WILMINGTON, NC 28403) AND KEPT FOR TWO WEEKS FOR DIAGNOSTIC TESTING, BUT THE FAILURE COULD NOT BE DUPLICATED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND PROVIDED CASE NUMBER: 9-5020128648. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 130,837.
Airbags
Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.
From owner reports, verbatim
DEALER STATES AIRBAG HAS BAD INFLATER, NOT COVERED UNDER WARRANTY
SINCE I BOUGHT THE CAR, I NOTICED ON MOTION THE FORCE ON THE PEDAL STARTED REDUCING. WHEN IT HAPPENS I REPRESS IT AGAIN WHICH WILL BECOME STABLE AT THAT PARTICULAR TIME. WILL GOT STUCK WHILE IN MOTION( 55MPR). I TOOK TO THE DEALERSHIP THEY TOLD ME NOTHING WRONG WITH THE CAR, AND THEN I WAS UNDER WARRANTY. THIS MORNING I TOOK IT TO MECHANIC, THEY TOLD ME IT'S ELECTRICAL PROBLEM WITH THROTTLE PEDAL AND SEAT.
Powertrain (other)
Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.
From owner reports, verbatim
The transmission shifting cable has clips that keep it held in place for you to be able to put your car into drive or reverse and park ect. Is broke and at least once a month or more my car won't go into gear the shifter just slides smoothly but don't catch a gear. So far it hasn't happened on the road just when it's parked. But still feels like it's not in park. I worry that it won't be in park and back up or roll forward on me while I'm trying to get into or out of my car. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
TRANSMISSION FLUID TEMP IS OVERHEATING
Brakes
Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.
From owner reports, verbatim
ENGINE POWER REDUCED WARNING LIGHT CAME ON AND CAR HAS MINIMAL ACCELERATION NOT ALLOWING TO GO OVER 40 MPH. ANTILOCK BREAK AND TRACTION CONTROL LIGHTS BOTH ON. BREAKING ISSUE WHEN THIS HAPPENS CAUSING BREAKS TO HESITATE. ALL ISSUES LISTED HAPPEN WHILE IN MOTION ON CITY STREET & HIGHWAY, WHILE GOING STRAIGHT & TURNING AND WHEN BREAKING. *TR
THE DOOR LOCKS ON THE 2008 MODEL DO NOT LOCK WITH REMOTE AND THE DRIVERS DOOR KEY ENTRY LOCK DOESN'T WORK.WON'T TURN LEFT OR RIGHT.ONLY ONE KEY ENTRY ON THE ENTIRE CAR SO YOU MUST USE THE DRIVERS SIDE KEY ENTRY.HAVE TO KEEP REPLACING CAR REMOTES AT $125.00 A PIECE ALMOST YEARLY. HAVE HAD CAR SINCE 2009.KEEP HAVING TO GET STRUTS REPLACED ON THE RIGHT SIDE AND REPLACE BRAKES ON THE FRONT WHEELS.THE LIGHTS ON THE GEAR PANEL KEEP GOING OUT AND ALSO THE LIGHTS WHERE THE RADIO STATION SHOWS IS DIMMED OR BURNING OUT.MY LEFT HEADLIGHT KEEPS GOING OUT.ELECTRIC IN THE CAR BASICALLY AN OVERALL ONGOING ISSUE.WHEN CAR IS PLACED IN REVERSE IT DOESN'T REVERSE SOMETIMES.I HAVE TO TURN IT OFF AND RESTART THE CAR THEN PLACE IT IN REVERSE BEFORE IT WILL REVERSE.THE CAR SHAKES AFTER GOING OVER 65MPH.SUSPENSION IS OFF.HAVE TO REPAIR TIRES CONSTANTLY BECAUSE INNER TIRES WEAR OUT QUICKLY.
Driver assistance
Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.
From owner reports, verbatim
ENGINE POWER REDUCED WARNING LIGHT CAME ON AND CAR HAS MINIMAL ACCELERATION NOT ALLOWING TO GO OVER 40 MPH. ANTILOCK BREAK AND TRACTION CONTROL LIGHTS BOTH ON. BREAKING ISSUE WHEN THIS HAPPENS CAUSING BREAKS TO HESITATE. ALL ISSUES LISTED HAPPEN WHILE IN MOTION ON CITY STREET & HIGHWAY, WHILE GOING STRAIGHT & TURNING AND WHEN BREAKING. *TR
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 60 MPH, THE VEHICLE SPEED DECREASED TO 30 MPH. THE "REDUCED ENGINE" WARNING LIGHT ILLUMINATED. THE VEHICLE WAS TAKEN TO A DEALER, WHO DIAGNOSED THAT THE ACCELERATOR PEDAL NEEDED TO BE REPLACED. THE FAILURE RECURRED ON ANOTHER OCCASIONS AND THE VEHICLE WAS TOWED TO A DEALER, WHO REPLACED THE THROTTLE PLATE BUT THE FAILURE PERSISTED. THE FAILURE MILEAGE WAS 82,973.
Steering
Reports naming the steering system — racks, columns, power-steering assist and steering linkage.
From owner reports, verbatim
HAVE HAD 2 MOTOR ACCIDENT AND THE AIR BIG NEVER DEPLOYMENT
HAD THE POWER STEERING REPLACED 3 TIMES IN THE LAST 3 YEARS. TALKED TO OTHERS THAT HAVE THE SAME CAR THEY ALSO HAVE THE SAME PROBLEM WITH THE POWER STEERING UNIT LEAKING. MY COMPANY HAD SEVERAL GRAND PRIX'S AS A COMPANY CAR FOR YEARS THEY ALSO EXPRESSED THIS WAS A PROBLEM. I'VE HAD THE LINES BURST ON THIS UNIT AS WELL. ALSO MANY OF THEM SAID THEY DIDN'T FIX THIS THEY JUST KEEP ADDING FLUID WEEKLY. MY THOUGHT IS WAS THATS NOT GOOD FOR THE ENVIRONMENT. I LOST ALL POWER WHEN THE HIGH PRESSURE LINE BURST WHILE GOING DOWN THE EXPRESS WAY AT 70 MPH. NOT COOL!
Body & structure
Reports naming the vehicle structure, frame, body panels, doors, hood and trim.
From owner reports, verbatim
HAVE HAD 2 MOTOR ACCIDENT AND THE AIR BIG NEVER DEPLOYMENT
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE FRONT DRIVER, REAR DRIVER, AND REAR PASSENGER SIDE DOORS DID NOT HAVE MOLDING. THE DEALER STATED THAT ALL THREE MOLDING ON THE DOORS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOTIFIED. THE FAILURE MILEAGE WAS UNAVAILABLE.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Fuel system
Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.
From owner reports, verbatim
CAR IS TURNED OFF BUT HEADLIGHTS JUST RANDOMLY COME ON AND A LOUD FAN BLOWING TYPE NOISE UNDER THE HOOD.
MY VEHICLE HAS PROBLEMS WITH THE STEERING. I WAS TOLD BY MY MECHANIC THAT MY RACK AND PINON ASSEMBLY COLUMN NEEDS REPLACING BECAUSE OF A LEAK. MY AIRBAGS INTERMITTENT WORK WITH A PASSENGER SITTING IN THE FRONT SEAT. MY CAR DOES THIS WEIRD JERKING MOTION WHEN I TRY TO ACCELERATE. I NOT SURE IF IT'S MY TRANSMISSION OR MY ENGINE. I HAVE HAD THE IGNITION SWITCH REPLACED IN MY VEHICLE AND I HAVEN'T NOTICED ANY CHANGES. I WAS GM WOULD ADDRESS MY CONCERNS BECAUSE I AM GREATLY CONCERNED FOR MY SAFETY AND MY FAMILIES.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Transmission
Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.
From owner reports, verbatim
2008 PONTIAC GRAND PRIX GXP V8 TRANSMISSION FAILURE. CAR SHUDDERS, TRANSMISSION SLIPS, CAR SHAKES AT ALL SPEEDS. DEALER BLAMED IT ON TIRES, TIRES BEEN REPLACED AND BALANCED. HAVE BALANCING PAPER WORK TO PROVE IT. *TR
2008 PONTIAC GRAND PRIX GXP. SLIPPING TRANSMISSION, STILL UNDER WARRANTY, DEALER SAYS CANNOT REPLICATE ISSUE. CAR VIBRATES HORRIBLY, SLIPS INTO EVERY GEAR. DEALER WILL NOT FIX UNTIL TRANSMISSION STOPS WORKING ALL TOGETHER. CAR HAS BEEN TURNED IN FOR THIS ISSUE 6 TIMES. GM NEEDS TO FIX IT!!!!!!!!!!!!!!!!!!!!!! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Tires & wheels
Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.
From owner reports, verbatim
TPMS VALVE STEM ON LF WHEEL CORRODED AND BEGAN TO LEAK. THE LEAK APPEARED FROM THE DEPTHS OF THE THREADS BETWEEN THE VALVE STEM CAP AND RETAINER NUT. NO NOTICEABLE SIGNS OF CORROSION ON THE EXTERIOR OF THE THREADED PORTION OF THE STEM. THE WHEEL WAS NOT IMPACTED IN ANY WAY, THE TIRE SIMPLY STARTED LOSING 4-6PSI PER DAY. *TR
TL*THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE VEHICLE HAS GOODYEAR VIVA TOURING TIRES, SIZE P205/70R15. IN JULY OF 2008, THE CONTACT TOOK HIS VEHICLE TO WAL-MART FOR A TIRE ROTATION. HE WAS INFORMED THAT THE STEEL BELT FAILED INSIDE THE RUBBER OF TWO TIRES. THE REPAIR WILL NOT BE MADE FOR FREE AND THE CONTACT WOULD HAVE TO PAY APPROXIMATELY $40 TO REPLACE BOTH OF THE TIRES. THE VIN AND DOT NUMBER WERE UNKNOWN. THE FAILURE MILEAGE WAS 41,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Visibility
Reports naming windshields, glass, wipers, defrosters and mirrors.
From owner reports, verbatim
I WAS DRIVING AT DARK HOURS WITH HEADLIGHTS ON AND LIGHTS JUST WENT OUT. TURNED ON BRIGHT LIGHTS AND THE LIGHTS WORKED. TURNED BACK TO DIM AND LIGHTS WORKED FOR ABOUT HALF A MILE.LIGHTS WENT OUT AGAIN TURNED ON BRIGHTS AND SAME THING AS BEFORE THE LIGHTS WORKED. I THOUGHT I SEEN SOMEWHERE A RECALL WAS ISSUED FOR THIS PROBLEM. I GUESS I DIDNT.
LOWBEAM HEADLIGHTS SUDDENLY QUIT WHILE DRIVING CAUSING ME TO ALMOST RUN OFF ROAD. THIS IS DIRECTLY RELATED TO THE GM RECALL #14291 CONCERNING THE SUDDEN FAILURE OF THE HDM WITHOUT ANY WARNING. THE RECALL NOT COVER MY 2008 PONTIAC AT THIS TIME. WAS TOLD "UNDER INVESTIGATION". THIS NEEDS TO BE IMMEDIATELY ADDRESSED BY GM OR FEDERAL GOVERNMENT SINCE IT IS A DEADLY MATTER. SUDDEN LOSS OF LIGHTS AT HIGHER SPEEDS WILL CAUSE DEATHS.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Interior & seats
Reports naming seats, latches, locks, linkages and interior fittings.
From owner reports, verbatim
FRONT PASSENGER SEAT PRESURE SENSOR IS GOING BAD. THE WARNING LIGHT WILL PERIODICALLY COME ON AND THEN GO OUT AFTER A FEW MINUTES. THIS WOULD OCCUR WHEN THE VEHICLE WAS; STATIONARY, MOVING AND OR TURNING.
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. WHILE DRIVING AT AN UNKNOWN SPEED, THE VEHICLE STALLED. IN ADDITION, THE LOW BEAM HEADLIGHTS FAILED TO OPERATE WHEN THE VEHICLE WAS STARTED AND THE INTERIOR LIGHTING WOULD REMAIN ILLUMINATED WHEN THE VEHICLE WAS TURNED OFF. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER STATED THAT THE VIN WAS EXCLUDED FROM NHTSA CAMPAIGN NUMBER 14V400000 (ELECTRICAL SYSTEM). THE FAILURE MILEAGE WAS 99,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Other / unspecified
Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.
From owner reports, verbatim
TPMS VALVE STEM ON LF WHEEL CORRODED AND BEGAN TO LEAK. THE LEAK APPEARED FROM THE DEPTHS OF THE THREADS BETWEEN THE VALVE STEM CAP AND RETAINER NUT. NO NOTICEABLE SIGNS OF CORROSION ON THE EXTERIOR OF THE THREADED PORTION OF THE STEM. THE WHEEL WAS NOT IMPACTED IN ANY WAY, THE TIRE SIMPLY STARTED LOSING 4-6PSI PER DAY. *TR
2008 GRAND PRIX GXP FRONT WHEEL CRACKED, LOSING AIR WITH 24K MILES. THE WEEK BEFORE IT WAS BRAKE PADS AND ROTORS. TOTAL OUT OF POCKET EXPENSES 1,200.00 IN TWO WEEKS. I FIND THIS ABSOLUTELY UNACCEPTABLE FOR A CAR WITH BUMPER TO BUMPER COVERAGE. JUST EXACTLY WHAT DO THEY COVER? LAST I CHECKED MY WHEELS WERE BETWEEN MY BUMPERS, AND IF GM CAN'T BUILD A CAR ROAD WORTHY OF A MICHIGAN WINTER THEY SHOULD NOT BE ALLOWED TO SELL THEM HERE. THIS WOULD BE ALOT EASIER TO SWALLOW IF IT WERE A USED CAR, BUT NEW WITH 24K MILES IS ABSURD! *TR
Too few reports in this category for a page of its own — they appear in the full complaint list.
Seat belts
Reports naming seat belts, buckles, retractors and pretensioners.
From owner reports, verbatim
WHILE DRIVING SEAT BELT LIGHT CAME ON AND CONTINUOUSLY FLASHED. THE LIGHT WOULD THEN GO OFF ONLY TO START FLASHING 15 MINUTES LATER. *TR
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT THE BRAKES FAILED TO RESPOND ON MULTIPLE OCCASIONS. THE CONTACT MENTIONED THAT THE BRAKE PEDAL HAD TO BE PUMPED IN ORDER TO STOP THE VEHICLE. THE CONTACT ALSO STATED THAT THE SEATBELT SENSOR ILLUMINATED AFTER THE SEATBELT WAS LATCHED AND THAT THE AIR BAG SENSOR FLASHED INTERMITTENTLY. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 46,000.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Suspension
Reports naming suspension components — springs, struts, shocks, control arms and related hardware.
From owner reports, verbatim
THE DOOR LOCKS ON THE 2008 MODEL DO NOT LOCK WITH REMOTE AND THE DRIVERS DOOR KEY ENTRY LOCK DOESN'T WORK.WON'T TURN LEFT OR RIGHT.ONLY ONE KEY ENTRY ON THE ENTIRE CAR SO YOU MUST USE THE DRIVERS SIDE KEY ENTRY.HAVE TO KEEP REPLACING CAR REMOTES AT $125.00 A PIECE ALMOST YEARLY. HAVE HAD CAR SINCE 2009.KEEP HAVING TO GET STRUTS REPLACED ON THE RIGHT SIDE AND REPLACE BRAKES ON THE FRONT WHEELS.THE LIGHTS ON THE GEAR PANEL KEEP GOING OUT AND ALSO THE LIGHTS WHERE THE RADIO STATION SHOWS IS DIMMED OR BURNING OUT.MY LEFT HEADLIGHT KEEPS GOING OUT.ELECTRIC IN THE CAR BASICALLY AN OVERALL ONGOING ISSUE.WHEN CAR IS PLACED IN REVERSE IT DOESN'T REVERSE SOMETIMES.I HAVE TO TURN IT OFF AND RESTART THE CAR THEN PLACE IT IN REVERSE BEFORE IT WILL REVERSE.THE CAR SHAKES AFTER GOING OVER 65MPH.SUSPENSION IS OFF.HAVE TO REPAIR TIRES CONSTANTLY BECAUSE INNER TIRES WEAR OUT QUICKLY.
Too few reports in this category for a page of its own — they appear in the full complaint list.
Heating & air conditioning
Reports naming the heating, ventilation and air-conditioning system.
From owner reports, verbatim
TL* THE CONTACT OWNS A 2008 PONTIAC GRAND PRIX. THE CONTACT STATED THAT SHE NOTICED A MILDEW ODOR IN THE VEHICLE. THE FAILURE WAS CAUSED BY THE AIR CONDITIONING SYSTEM. THE VEHICLE WAS TAKEN TO AN AUTHORIZED DEALERSHIP WHERE THE AIR CONDITIONING FAN WAS TURNED ON BUT THE PROBLEM PERSISTED. THE CONTACT CALLED THE MANUFACTURER WHO ADVISED HER TO TAKE THE VEHICLE TO THE DEALERSHIP AGAIN FOR DIAGNOSIS. THE VIN WAS UNAVAILABLE. THE CURRENT MILEAGE WAS APPROXIMATELY 40,000. THE FAILURE MILEAGE WAS APPROXIMATELY 24,000-
Too few reports in this category for a page of its own — they appear in the full complaint list.
Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.
Elsewhere on this vehicle
Data sources
- NHTSA Office of Defects Investigation — owner-reported complaints and the components recorded on them
Data on this page last refreshed .