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2008 Pontiac G5 Recalls, Problems & Maintenance

The 2008 Pontiac G5 has no open NHTSA recalls. Owners report 6 recurring issue clusters, led by “Fuel line and fuel pump leaks causing gasoline odor.” Every Pontiac is now 15+ years old, which changes the maintenance question from 'what mileage?' to 'how old is it?' — hoses, belts, coolant, and brake fluid age out even on low-mile cars. The G6 uses GM's Oil Life System (change oil when the message appears, at most every 12 months) with Dex-Cool coolant and either the 2.4L Ecotec four or the 3.5/3.9L pushrod V6. Parts remain cheap and plentiful through GM's shared platforms — these cars are inexpensive to keep healthy if the age-based items aren't ignored.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2008 Pontiac G5.

Reported to NHTSA

Fuel line and fuel pump leaks causing gasoline odor

FUEL/PROPULSION SYSTEM

31 NHTSA complaints · 2010-10 → 2025-03

“LEAKY FUEL LINES TOWARD THE LEFT REAR WHEEL WELL. LARGE PUDDLES OF GASOLINE UNDER THE CAR WHEN PARKED. VISIBLE GAS LEAK”
— Owner report, NHTSA ODI #11362577
“2008 PONTIAC G5, APPROX. 77,000 MILES. FAILED ANNUAL INSPECTION DUE TO FUEL LEAK IN FUEL LINE, DRIVERS SIDE, REAR, JUST IN FRONT OF TIRE. CLOSE INSPECTION OF FUEL LINE, SHOWED IT TO BE THE FUEL RETURN LINE, THAT HAD RUSTED A SMALL HOLE DUE TO SHIELDING THAT WAS AROUND THE LINE”
— Owner report, NHTSA ODI #10914471
“AFTER NOTICING A GASOLINE SMELL AND A PUDDLE COLLECTING UNDERNEATH MY VEHICLE WHILE IT WAS IN PARK, I TOOK IT TO THE DEALER TO SEE WHAT WAS GOING ON WITH MY VEHICLE. THE DEALERSHIP THEN INFORMED ME THAT MY VEHICLE WAS SERIOUSLY LEAKING FUEL. THEY TOLD ME THAT THE FUEL LINE FROM”
— Owner report, NHTSA ODI #10817081

Read all complaints on NHTSA →

Front suspension bushing and ball joint wear

SUSPENSION

6 NHTSA complaints · 2010-04 → 2012-07

“FRONT SUSPENSION BUSHINGS ON THE PONTIAC G5 AND PROBABLY CHEVROLET COBALT WEAR OUT RAPIDLY. ON MY VEHICLE THE DRIVER'S SIDE BUSHING FAILED AT 31,350 MILES AND THE PASSENGER SIDE AT 42,850 MILES. THE FACTORY REPLACEMENT ON THE DRIVERS SIDE IS STARTING TO FAIL AGAIN AT 44,500”
— Owner report, NHTSA ODI #10468415
“VEHICLE WAS BEING DRIVIN ON A TWO LANE HIGHWAY AND ALL OF THE SUDDEN THE FRONT RIGHT FELL TO THE GROUND AND THE CAR SPUN OUT AND SLID INTO A DITCH. THE FRONT RIGHT BALL JOINT FAILED AND BROKE APART. MY MECHANIC SAYS HE REPLACES BALL JOINTS ON THESE CARS AT THE RATE OF FIVE CARS”
— Owner report, NHTSA ODI #10428387
“ON 2008 PONTIAC G5 THE LOWER CONTROL ARM BUSHINGS ARE WEARING OUT AT OR NEAR 18000 MI/ 30000 KM'S, MANY OWNERS OF THESE CARS HAVE NO IDEA OF THIS FAULT”
— Owner report, NHTSA ODI #10393547

Read all complaints on NHTSA →

Electric power steering loss or lockup while driving

STEERING

22 NHTSA complaints · 2010-03 → 2024-04

“NO STEERING, CRASHED INTO A POLE. *TR”
— Owner report, NHTSA ODI #10439048
“TL*THE CONTACT OWNS 2008 PONTIAC G6. WHILE TRAVELING 15 MPH THE CONTACT HEARD A HISSING SOUND COMING FROM THE FRONT END OF THE VEHICLE, SECONDS LATER THE POWER STEERING HAD SUDDENLY STOP FUNCTIONING. THE VEHICLE WAS TAKEN TO THE DEALERSHIP WHERE THE CONTACT WAS INFORMED THAT THE”
— Owner report, NHTSA ODI #10362419
“TL* THE CONTACT OWNS A 2008 PONTIAC G5. WHILE MERGING TO THE RIGHT AT APPROXIMATELY 55 MPH, THE STEERING WHEEL BECAME DIFFICULT TO MANEUVER WITHOUT WARNING. THE VEHICLE WAS TAKEN TO A DEALER WHERE THE TECHNICIAN STATED THAT THE VEHICLE WAS PREVIOUSLY REPAIRED UNDER NHTSA”
— Owner report, NHTSA ODI #10733640

Read all complaints on NHTSA →

Passenger presence sensor fault and air bag warning light

AIR BAGS

13 NHTSA complaints · 2008-05 → 2026-07

“The contact owns a 2008 Pontiac G5. The contact stated that the message "Service Air Bag" was displayed. The vehicle was taken to two different dealers, including Burton Buick GMC of Elkton (1 Automotive Blvd, Elkton, MD 21921), where it was diagnosed with Passenger Presence”
— Owner report, NHTSA ODI #11750034
“PASSENGER SEAT AIRBAG SENSOR IS FAULTY CAUSING THE AIRBAG LIGHT TO BE ILLUMINATED ON THE DASHBOARD & DOESN'T GO OFF. SENSOR WILLNOT DETECT SOMEONE SEATED, CAUSING THE AIRBAG NOT TO DEPLOY IF IN AN ACCIDENT. NOTHING CAUSED THIS TO HAPPEN & THEY WANT ABOUT $400 TO FIX IT. WE WERE”
— Owner report, NHTSA ODI #10871318
“2008 PONTIAC G5 PASSENGER AIR BAG SYSTEM WILL NOT ARM WHEN WIFE SITS ON PASSENGER SIDE. *TR”
— Owner report, NHTSA ODI #10229102

Read all complaints on NHTSA →

Air bags failing to deploy during a crash

AIR BAGS

8 NHTSA complaints · 2008-08 → 2023-05

“I WAS IN A MOTOR VEHICLE ACCIDENT, MY VEHICLE WAS TOTALED AND THE AIR BAG DID NOT DEPLOY. I WAS CUT OFF BY ANOTHER VEHICLE THAT THEN SLAMMED THEIR BRAKES, I HIT THE REAR OF THAT VEHICLE IT WAS A 2011 FORD FOCUS THAT VEHICLE WAS NOT DAMAGED AND THE DRIVER WAS NOT HURT. MY VEHICLE”
— Owner report, NHTSA ODI #10678238
“MY WIFE WAS DRIVING OUR 2008 PONTIAC G5, SHE WAS INVOLVED IN A 3 VEHICLE ACCIDENT. A CAR IMPACTED A MINI VAN ON THE SIDE CAUSING THE CAR TO BOUNCE OFF THE MINIVAN AND TRAVELING SIDEWAY INTO OUR PONTIAC G5. THE G5 WAS STRUCK ON THE DRIVER DOOR SENDING THE G5 SIDEWAYS AND ALMOST”
— Owner report, NHTSA ODI #10239696
“TL* THE CONTACT OWNS A 2008 PONTIAC G5. THE CONTACT STATED THAT THE DAUGHTER STOPPED AT A STOP SIGN AND ATTEMPTED TO ACCELERATE THE VEHICLE FORWARD, THE VEHICLE THEN VIOLENTLY ACCELERATED CAUSING THE RPMS TO INCREASE EXCESSIVELY. THE DRIVER STEERED THE VEHICLE INTO A MEDIUM AND”
— Owner report, NHTSA ODI #10971799

Read all complaints on NHTSA →

Ignition switch failure and key stuck in the ignition

ELECTRICAL SYSTEM

10 NHTSA complaints · 2011-01 → 2019-11

“HAD RECALL FOR THE IGNITION SWITCH. GOT IT REPLACED NOW THE KEY BROKE OFF IN IT”
— Owner report, NHTSA ODI #11277656
“TL* THE CONTACT OWNS A 2008 PONTIAC G5. WHILE ATTEMPTING TO SHUT OFF THE VEHICLE, THE KEY COULD NOT BE REMOVED FROM THE IGNITION SWITCH. THE CONTACT INDICATED THAT THE KEY TURNED ENOUGH TO SHUT THE ENGINE OFF, BUT DID NOT TURN ENOUGH TO SHUT OFF THE ELECTRONICS AND LIGHTS. THE”
— Owner report, NHTSA ODI #10992865
“TL*THE CONTACT OWNS A 2008 PONTIAC G5. THE CONTACT STATED THAT HE WAS UNABLE TO REMOVE THE KEY FROM THE IGNITION. THE CONTACT ALSO STATED THAT IN ORDER TO REMOVE THE KEY FROM THE IGNITION HE WOULD HAVE TO WAIT A LONG PERIOD OF TIME, WHICH SOMETIMES DRAINED THE BATTERY. THE”
— Owner report, NHTSA ODI #10405875

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter (Oil Life System)

Every 5,000 mi

Change when the Oil Life System calls it, and at least every 12 months. On engines this age, many mechanics suggest a practical 5,000-mile ceiling — aging seals and PCV systems contaminate oil faster.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate every 7,500 miles. Check tire date codes too — sidewall age (6+ years) retires tires on old cars before tread wear does.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect pads, rotors, and especially brake hoses and hard lines at every service — line corrosion is a real failure mode on 15-year-old northern cars.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 24,000 mi

Replace every 2 years. Decade-old fluid is the hidden cause of soft pedals and seized calipers on aging GM sedans.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Automatic Transmission Fluid (4T45-E / 4T65-E)

Every 45,000 mi

Drain-and-fill every 45,000 miles with Dexron VI. On high-mile units that have never been serviced, prefer repeated drain-and-fills over a pressure flush.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 100,000 mi

Iridium plugs at 100,000 miles on the G6's engines. Replace wires/boots on the pushrod V6 at the same time — they're brittle at this age.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

Serpentine Belt & Tensioner

Every 60,000 mi

At this age, replace the belt AND tensioner as a pair on any evidence of cracking or noise — a weak tensioner eats new belts.

Estimated cost — typical U.S. ranges

Dealer

~$195–$235

Shop

~$135–$165

DIY

~$20–$50

DIY-friendly if you can reach the tensioner. Inspect for cracks rather than swap on a strict mileage interval.

Engine Air Filter

Every 30,000 mi

Replace every 30,000 miles — a cheap, 5-minute job on the G6.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Coolant Replacement (Dex-Cool)

Every 100,000 mi

Dex-Cool is rated 5 years / 150,000 miles — but on cars this old the interval is effectively 'every 5 years.' Check for intake and water-pump seepage while it's drained; use Dex-Cool only, never mixed with green coolant.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Battery & Charging System Test

Every 25,000 mi

Test the battery and alternator annually. Parasitic drains from aging body modules are common on this era of GM — a healthy battery masks them until it doesn't.

Estimated cost — typical U.S. ranges

Dealer

~$225–$390

Shop

~$160–$280

DIY

~$130–$250

Most auto-parts stores test and install batteries free with purchase. Skip the dealer markup.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

49 crashes 1990–2024

How the 49 occupant deaths break down

35

driver deaths

14

passenger deaths

49

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2008 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

15

complaints mentioning a crash

2

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2008 Pontiac G5 reflects Pontiac's published service intervals and the GM Oil Life System system. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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