Pontiac G8 in Ontario, Canada Jun 2009 - Mar 2010
Jul 2009 620 mi	Adjust driver side door. Replace weather strip in trunk. Replace glove box. Right rear sub clipping. Dealer screwed up by not removing suspension shipping blocks. I complained immediately about strange noises from suspension. They said to drive it 1000 km, then they'd look at it. Figured out problem myself, another dealer removed them for me.

Pontiac G8 in Texas, United States Jul 2009 - Sep 2011
Dec 2010 11000 mi	tire monitor

Pontiac G8 in New Jersey, United States Mar 2009 - Jun 2014
May 2009	Key fob falling apart new keyfob programmed with car.
May 2012 25600 mi US $600	Main console (Radio and A/C) would not function properly. Whole Unit needed to be replaced.
Jun 2012 27000 mi	Tire pressure sensor (main sensor) failed. This failure occurred after a prior visit when tires were rotated. Suspicious.
Jul 2012 27000 mi US $20	Car overheating. A clamp on a radiator hose was not installed properly causing the hose to eventually come off.

Pontiac G8 in South Carolina, United States Sep 2013 - May 2016
May 2014 21100 mi	Faulty Gas Cap was triggering check engine light. Replaced per service bulletin.

Pontiac G8 in Wyoming, United States Feb 2011 - Jul 2013
Sep 2011 21000 mi	Transmission slipping on shifts. Replaced seals (TSB), TCM reflash (TSB), and replaced 4-5-6 clutch pack. Lower Control Arm clunking on low speed bumps, replaced per TSB. Driver seat trim panel loose, replaced clips.
Apr 2012 25700 mi	Driver seat trim panel loose, replaced panel Window trim on left rear door, replaced trim

Pontiac G8 in District of Columbia, United States Jun 2009 - Jul 2015
Apr 2012 20200 mi US $250	Malfunctioning CHMSL array and side marker (was not bulb). Dealer repaired rodent damage to wiring harness, which fixed side marker, and ordered new CHMSL array.
May 2012 21000 mi	Failed TPMS receiver.

Pontiac G8 in Texas, United States Feb 2009 - Jun 2011
Dec 2009 7000 mi	Sunroof rattle.

Pontiac G8 in South Carolina, United States Apr 2010 - Jun 2013
May 2010 16000 mi	Leaking oil pan. Pan was removed.
Jun 2010 17000 mi	Manual transmission has a leaky master slave cylinder. Part order and scheduled to be repaired next week.
Oct 2011 22000 mi	Bad gas cap, replaced under warranty.

Pontiac G8 in Indiana, United States May 2011 - Oct 2013
Oct 2011 30000 mi US $365	Shift flare when cold. Replaced entire front pump assembly.

Pontiac G8 in Washington, United States Oct 2009 - Mar 2017
Dec 2009 11000 mi	Right side tail lamp replaced due to moisture inside.
Nov 2010 22800 mi	Power window switch replaced due to no light on one of them.

Pontiac G8 in Connecticut, United States Jun 2015 - Jun 2016
Dec 2015 94000 mi US $306	replaced throttle body

Pontiac G8 in Washington, United States Jul 2010 - Jun 2018
Dec 2010 17000 mi	Oil leak - previous shop did not attach oil filter on correctly. Oil drained and replaced and new filter installed, no leak after corrected oil change.
Jul 2011 19200 mi	P0601 OBDII CEL. Comm error. Replaced ECM with new one. Issue resolved.
Jun 2012 23000 mi US $165	Replace failed battery. Worth noting that the car was stored for three winters in a row with no battery tender, so I really don't blame GM on this one.
Mar 2014 31000 mi	Failing AFM lifter on L76 V8 cylinder 2 needing replacement, all lifters replaced, baffles added to oil pan as part of TSB repair. Oil and coolant replaced at same time.
May 2014 31600 mi US $430	Water leak into trunk. Grommet failed on seal for wiring harness from the trunk lid to the body. Water was leaking right side, behind trim, shorted out after market stereo - only reason discovered.

Pontiac G8 in Florida, United States Sep 2010 - Nov 2011
Aug 2011 33000 mi	Whining noise. Replaced alternator

Pontiac G8 in Florida, United States Nov 2009 - Nov 2010
Feb 2010 5000 mi	Replaced antennae base for poor radio reception.

Pontiac G8 in Michigan, United States Feb 2010 - Apr 2015
Jul 2010 12000 mi	Front sway bar loose. Parts ordered
Apr 2014 63200 mi US $400	Sway bars replaced

Pontiac G8 in Pennsylvania, United States Feb 2010 - Jul 2021
Mar 2010 5000 mi	Rattle in front suspension when cold--LF strut replaced along with all strut bearings and related bushings. Left side is quiet now but right side still rattles cold.
Mar 2011 9000 mi	Fuel cap removes itself from the filler neck, causing a vacuum leak and setting acode that turns on the "Check Engine" light.
Jun 2011 11000 mi	LR Inner axle boot leaking/ torn causing LR axle CV joint to be exposed to water/ dust/ dirt.
Jun 2018 33000 mi US $120	Replaced TPMS sensors in each tire/ wheel assembly. Batteries went dead.in 2 of them after 9 years. Reset system using borrowed Tech II tool.

Pontiac G8 in Michigan, United States Aug 2009 - Jun 2018
Jul 2009 7000 mi	Replace broken driver's seat trim (warranty).
Apr 2011 19000 mi	Replaced engine mounts with upgrade design to eliminate vibration during AFM operation. Drivers seat lower trim broken - the panel that the power seat control is attached to. Second time this piece has ben replaced.
Sep 2013 30000 mi US $80	Radio would stay on when car turned off and driver's door opened. Replaced door lock assembly to fix problem.
Nov 2014 35200 mi US $300	Replace front lower control arms due to bad ball joints (right clunking over bumps, left preventive). Installed GM 92249538 all 4 front lower control arms.

Pontiac G8 in Texas, United States Jul 2008 - May 2010
Feb 2009 5000 mi	Had a vibration in the driveline.

Pontiac G8 in Minnesota, United States Feb 2010 - Jan 2012
Apr 2010 7000 mi	Strut bushings were making a rubbery sound while turning steering wheel. This is a common defect and has a TSB on it. Replaced under warranty.
Dec 2010 21000 mi	The steering wheel had leather trim that was lifting next to the center hub. The steering wheel column was loose. Both the steering wheel and the column cover were replaced.
May 2011 32000 mi	All 4 control arms were replaced due to a clunking noise while going over bumps.
Aug 2011 36900 mi	All of the control arms were replaced because the ball joints were loose. The engine had a flattened cam so it had the cam and lifters replaced.

Pontiac G8 in Arizona, United States Jun 2016 - Jun 2022
Feb 2017 128426 mi US $640	Airbag light. Passenger PPS module failed. Replaced PPS module.
Apr 2017 129683 mi US $698	Vehicle died, reduced power mode, check engine light while sitting in a parking lot. Occurred 3 times during the 24 hours before visiting dealer. Heat may have been an aggravating factor, but vehicle did not overheat. Code P0601. Dealer replaced ECM. No further problems.
Apr 2018 140000 mi US $30	P0521 - engine oil pressure sensor performance. Replaced oil pressure sender and screen per TSB. Code returned two days later. Changed oil and replaced PF48E filter with UPF48R equivalent (Mobil 1 113A) per separate TSB. Fingers crossed...
Jan 2022 172000 mi US $20	Climate control would not blow cold unless set to C. Replaced the cabin air temperature sensor (P/N 9217-1917). Ops check good.
Apr 2022 174396 mi US $203	Alternator failed. Replaced alternator.

Pontiac G8 in New Jersey, United States Jun 2010 - Jun 2016
May 2013 83900 mi US $200	New AC bracket, known TSB for this problem, to eliminate throwing of AC belt.

Pontiac G8 in Ohio, United States Dec 2010 - Jan 2022
Jul 2012 15000 mi	Rear main oil seal leak. This was likely from when the engine had to have a new camshaft installed 2.5 years ago @ 4800 miles, prior to us owning the vehicle.

Pontiac G8 in South Carolina, United States Apr 2010 - Jun 2022
Jun 2010 7000 mi	Rubbing noise when turned steering wheel in cold (Below 32).
Dec 2016 39000 mi US $8	P0601 error, car shut down and entered safety mode. Reprogrammed ECM (still got error) then replaced ECM.

Pontiac G8 in Texas, United States Jun 2010 - Nov 2017
Sep 2011 28000 mi	Replaced lock mechanism in the drivers side door. Mechanism contained a sensor that could no longer determine when the door was open or closed, so things like overhead light wouldn't come on when the door was opened.
Jul 2012 37000 mi	Slight rattle in passenger side B-pillar. Turned out to be something in the seat belt reel.
Mar 2014 53000 mi	Throttle body malfunction caused a Check Engine message, along with reduced power for a short distance. Drove the car to the dealership. Dealer gave me a loaner, replaced the throttle body, and I got the car back the next day.
Oct 2014 58000 mi US $125	The car would no longer disconnect the Bluetooth connection to my phone when turned off. Also, RV mirror lights stayed on when car was off. Dealer reprogrammed the VCIM. This fixed both problems.
May 2015 64000 mi US $1000	Replaced front lower control arms on both sides of front suspension. Replace center high mounted brake light. Original LED light had stopped working.
Jun 2015 65000 mi US $1000	Replaced two motor mounts and transmission mount.
Dec 2015 72000 mi US $800	Alternator replaced.
Mar 2016 74000 mi US $303	AC drive belt broke. I had dealer replace both belts. Noise coming from front suspension over bumps. Very loud during cold weather. Dealer replaced both front struts and strut mounts.

Pontiac G8 in Ohio, United States Jan 2011 - Oct 2011
Oct 2011 30000 mi	Oil leaking near rear main seal. Dealership put dye in and the car will be checked with blacklight to determine source of leak.

Pontiac G8 in Illinois, United States Jul 2012 - Jul 2018
Jul 2013 21300 mi	Strut mount bearing that needed replacing
Jul 2014 28000 mi	Hazard button got stuck and wouldn't work.
Jul 2018 60000 mi US $1000	Sway bar links replaced Control arms

Pontiac G8 in New York, United States Jul 2013 - Jun 2022
Mar 2015 67000 mi US $450	Lower mufflers failing (loud droning). Replaced with performance tubes (mufflers not replaced). Cost shown is the labor to remove old mufflers and weld in new pipes. Doesn't include price of new pipes.
Nov 2015 80000 mi US $60	One power switch went bad in center console--had to replace the entire switch bank. Got it online for a fraction of dealer cost and installed myself.
Jun 2017 110000 mi US $60	Driver side rear passenger window not operating. Diagnosed as wiring harness failure, part ordered but not yet replaced.
Aug 2017 115000 mi US $1100	Interior trim on passenger side console popped out, was reinstalled. Passenger window issue finally fixed. Issue was pinched wiring--instead of replacing the wiring, the shop rewired the shorted items. Engine blipping issue--the ignitions wires were toast. plugs and wires replaced.
Jan 2018 123000 mi US $90	Both low-beam headlights replaced (one had burned out)--cost included labor (not easy to replace).
Sep 2021 163562 mi US $1689	One of two fuel sender units failed, and car was leaking gas. Given the car's age and how much work it is to do this repair, opted to replace both sender units and fuel pumps. Time in shop was extended due to time it took to receive new parts.
Nov 2021 164156 mi US $450	Harmonic balancer was failing, it and its bolt were replaced.

Pontiac G8 in California, United States Jun 2013 - Jan 2022
Oct 2014 67800 mi US $960	EVAP solenoid and canister failed, were replaced
Sep 2018 105000 mi US $650	Alternator failed. Purchased OE part and brought it to the shop for replacement.
Jan 2022 129777 mi US $2200	Replaced struts, shocks, strut bushings (they were blown)

Pontiac G8 in California, United States Mar 2013 - Apr 2016
May 2015 94000 mi US $550	Radiator connection to the hose broke and new radiator was put in the car.
Oct 2015 103000 mi US $1250	Replacement of A/C belt and tensioners along with 100k scheduled maintenance. The belt was half broken and that had damaged the tensioners.

Pontiac G8 in Ontario, Canada Dec 2011 - Sep 2018
Apr 2011 34765 mi C $2500	Replaced lower control arms (under warranty - this was a known design flaw that was corrected on later parts); also replaced strut bearings.
Apr 2014 78740 mi C $110	Replaced sway bar end links after driver's side began to "clunk" over bumps. Lower ball end was loose/worn.
Jul 2014 79660 mi	Aftermarket end links loose at point of connection on struts. Re-torqued.
Oct 2016 84940 mi C $500	Rear door locks malfunctioning.
Aug 2018 89280 mi C $1	Rear fender liner had warped and was rubbing tire; used zip-tie to hold it back.

Pontiac G8 in Florida, United States Jul 2013 - Jun 2022
Jun 2015 30000 mi US $175	Battery finally needed replacing.

Pontiac G8 in Iowa, United States Aug 2014 - Feb 2020
Oct 2014 30000 mi	Code P0455 gross evaporative emissions leak. Gas cap was repaired by dealer out of warranty as a free fix through GM. The gas cap was replaced.
Jan 2018 54000 mi	Ball joints worn, replaced lower control arms under recall Replace seat belt replaced key. switchblade key found to fail and rotate the ignition to off.

Pontiac G8 in New Jersey, United States Aug 2014 - Jun 2016
Jan 2016 38000 mi US $4000	Actual Fuel Management showing initial signs of failure required top end rebuild and cam-swap.
Mar 2016 40000 mi US $900	Rear left caliper seized, decided to replace rear calipers, do rotors, fluids, and get stainless steel lines.

Pontiac G8 in Iowa, United States Jul 2014 - Mar 2015
Sep 2014 27000 mi	Had to replace left rear abs sensor

Pontiac G8 in Massachusetts, United States Nov 2012 - Mar 2013
Mar 2013 50000 mi	Glovebox had 2 plastic guide pins break off which caused it to open randomly and hang down further than it should

Pontiac G8 in Indiana, United States Jun 2015 - Jun 2022
Dec 2015 114000 mi US $45	Changed passenger side front interior door handle due to flaking metal
Nov 2016 136700 mi US $164	Battery would not hold a charge. Replaced original battery.
Mar 2018 165130 mi US $47	Broken wires at connector of rear speed wheel sensor harness. Replaced harness.

Pontiac G8 in Ontario, Canada Aug 2011 - Aug 2018
Jan 2012	Oil pan was porous  Rear door lock actuator replaced  Sunroof mechanism was cleaned and lubed  Exhaust related bulletin
May 2012 25920 mi	P0521 - oil pressure sensor out of range
Jun 2013 33578 mi	Warranty work: Dealer worked with GM engineering on in-depth review of code P0521 and attempted repairs. GM authorized engine replacement. Injectors, some sensors, valve covers, oil pan and accessories were transferred to new engine. Fresh oil and coolant installed.

Pontiac G8 in South Carolina, United States Aug 2011 - Sep 2018
Mar 2012 35000 mi	Lifter noise at start up. Dealer could not duplicate.

Pontiac G8 in Virginia, United States Jan 2011 - Nov 2011
May 2011 14000 mi	Check engine light came on (solid, not flashing). Problem determined to be emissions-related, and was diagnosed as a flawed gas cap. Part ordered. Problem code cleared.
Jun 2011 15000 mi	Gas cap ordered from last repair trip was installed.
Sep 2011 17000 mi	Check engine light was diagnosed as a faulty evap canister. Part needed to be ordered. Previous evap canister problem was fixed by replacing the part.

Pontiac G8 in Michigan, United States Nov 2009 - Aug 2012
Mar 2011 15000 mi	Slow air leak on front tire. Bead seal lost integrity due to slight corrosion on rim. Dealer dismounted tire, removed corrosion, applied bead sealer, and reinstalled tire.
Sep 2011 20000 mi	Rattle from passenger side front door trim. Dealer replaced door lock mechanism which had loose internal parts. Intermittent check engine light because fuel cap kept coming loose. Fuel fill neck missing attachment to body. Dealer replaced filler neck with new part.
Nov 2011 21100 mi	Oil leak. Dealer replaced oil pan gasket.
Jan 2012 22300 mi	Noise and vibration from front suspension. Dealer replaced front control arms.
Apr 2012 24000 mi	A/C coolant leak at the compressor. Replaced compressor.

Pontiac G8 in Texas, United States Nov 2011 - Dec 2011
Dec 2011 56000 mi US $350	Replaced belts and tensioner assemblies for both serpantine belt and ac belt due to squeaking.

Pontiac G8 in Michigan, United States Nov 2011 - Dec 2016
Dec 2011 36000 mi	Had the motor mounts replaced under warranty to fix a vibration when it went into cylinder deactivation mode.
Jul 2012 47800 mi	Keyfob buttons work intermittently.
Sep 2012 52000 mi	Hazard button works intermittently. Replaced under CPO warranty.
Jun 2013 69000 mi US $70	Intermittent wipers not functioning properly. Replaced wiper switch.
Apr 2015 101500 mi	ABS light on, code for left rear wheel sensor. Found broken wire at harness connector. Repaired.
Jun 2015 104000 mi US $200	Rear wheel bearing noisey. Replaced left rear bearing.

Pontiac G8 in Massachusetts, United States Mar 2012 - Aug 2016
Sep 2012 85000 mi US $30	A/C belt fell off the pulley. Replaced pulley and belt. Only happened this one time but I've read of it happening to others. There is an updated system with 2 pulleys, but too expensive at $350 for just the parts.
Jan 2013 142000 mi	Problem with tire pressure monitoring system Keeps coming up system fault after driving for a period if time
Aug 2014 140000 mi US $180	Hood latch microswitch failed. Had to replace entire unit.
Sep 2014 143000 mi US $221	replaced end links
Feb 2015 154000 mi US $180	Replace idler pulley and serpentine belt
May 2016 187000 mi US $140	replace worn front struts

Pontiac G8 in New York, United States Mar 2015 - Dec 2017
May 2016 21400 mi	ECM replaced due to car going into reduced power mode and shutting down engine

Pontiac G8 in Ohio, United States Jun 2016 - Jan 2018
Sep 2016 89000 mi US $5	Headliner started falling in back corners. Removed foam from both materials and glued back up.
Apr 2017 98000 mi US $20	Power steering pump pulley was not true and had a wobble. Replaced pulley.
Sep 2017 104000 mi US $25	Alternator had a chirp noise due to an internal bearing failing. Replaced alternator. TPMS sensor was was bad and needed replaced.

Pontiac G8 in Virginia, United States Dec 2010 - Feb 2012
Nov 2011 145000 mi US $1100	Airbag fault
Jan 2012 US $800	Front arm assembly

Pontiac G8 in Pennsylvania, United States Oct 2009 - Jun 2016
Nov 2009 7000 mi	Driver side front door window guide was causing streaking on the window.
Dec 2010 26000 mi US $100	Fuel cap did not seal properly. New cap ordered. left rear door speaker rattling. New speaker ordered.
May 2011 36000 mi	Defective lifter. All lifters were replaced, as was the damaged cam shaft. GM has a TSB on this issue.
Apr 2012 55000 mi	Speakers were replaced under warranty. Drivers side plastics seat trim broke.
Sep 2013 83000 mi US $600	Evap canister and purge vent solenoid had to be replaced.
Dec 2015 128000 mi US $300	Replaced power steering high-pressure line.

Pontiac G8 in California, United States Jan 2009 - May 2011
Jul 2009 9000 mi	Climate control knobs don't always change temp properly. System works but can be a little "buggy". Dealer ordered new climate control unit.
Nov 2009 14000 mi	Climate control knobs didn't always change temp properly. Dealer ordered new face unit for stereo/climate, replaced it, and reprogrammed.

Pontiac G8 in Oklahoma, United States Feb 2009 - Apr 2015
Jun 2009 10000 mi	Check engine light due to faulty gas cap, new style cap ordered. Intermittent failure of audio display screen, new display ordered. Replaced gas cap for check engine light. Audio display screen replaced for intermittent failure.
Nov 2010 25000 mi	CEL on at approx 24000 mi while on extended trip. OnStar diagnostics advised continue driving for a week or so. After 1000 mi over 6 days, CEL still on. At dealer, found DTC P0442 (evap leak); smoke test ok, but cleaned filler cap gasket.
Jan 2012 35000 mi	Taken to dealer with vibration complaint at highway speeds, only apparent during AFM 4-cylinder operation. Engine mounts replaced, problem solved.

Pontiac G8 in Connecticut, United States Jan 2009 - Jul 2016
Jun 2010 10000 mi	Part of seat trim broke. Repaired but failed within a week. New parts on order.
Aug 2010 11000 mi	A new problem arose. Window seal leaked damaging carpet. Seal repaired, but moldy smell remained.
Sep 2010 11000 mi	Seat trim replaced then broke again, for the third time, after just one day. Did not replace all plastic parts properly. Seat trim replaced again. Replaced missing plastic parts.
Oct 2010 12000 mi	Still has smell. Trying to get GM to fix it right.
Dec 2010 13000 mi	Air conditioner makes noise intermittently.
May 2011 14900 mi	Hopefully leak is finally fixed.
Nov 2011 19000 mi	Changed airbag sensor, seat belt, and seat trim.
Oct 2013 30200 mi	Repeat problem that dealer never fixed. I think it is finally fixed after pulling out everything and finding leak from door.

Pontiac G8 in Mississippi, United States Feb 2009 - Jun 2009
Mar 2009 70 mi	Transmission whine in 6th gear. Fixed by dealer before purchase.
May 2009 4000 mi	Rattle in front suspension when driving over rough pavement.
Jun 2009 4000 mi	Rattle in front suspension turned out to be faulty brake caliper. Faulty front window motor. Air conditioning vent noise.

Pontiac G8 in British Columbia, Canada May 2015 - Jun 2018
Nov 2017 84940 mi C $1100	Control arm was worn and not covered under the extended warranty (warranty only covers the ball joint). Steering knuckle was cracked while removing control arm and had to be replaced as well.

Pontiac G8 in Puerto Rico Jun 2016 - Jul 2017
Feb 2016 43550 mi US $600	ABS sensor.

Pontiac G8 in Pennsylvania, United States Mar 2009 - Dec 2021
May 2010 13700 mi	Air bag fault light on checked TSB and repaired accordingly. Problem still present
Jul 2010 16000 mi	Replaced passenger seat airbag sensor. Problem resolved. Control arms replaced due to loud thumping from front end when going over bumps. A TSB was issued to dealerships regarding this problem.
Jan 2016 19200 mi US $160	Sway bars were loose. Both replaced. Check engine light kept coming on. Fuel cap replace,problem resolved.
Sep 2021 108000 mi US $274	Bad alternator replaced.

Pontiac G8 in Alberta, Canada May 2015 - Jun 2015
Apr 2015 56420 mi C $400	Changed front lower control arms.

Pontiac G8 in New Jersey, United States Mar 2009 - Mar 2012
Nov 2011 47000 mi US $850	Lower control arms - rattle noise - TSB issue for this exists already

Pontiac G8 in Maryland, United States Jan 2009 - Apr 2013
May 2010 23200 mi	broken lifter squeaking noise when shifting from outside air to inside air
Apr 2013 46000 mi	Lifters replaced at 22000 miles. Started failing again so i traded the car in

Pontiac G8 in Virginia, United States Jan 2009 - Sep 2018
Sep 2009 12000 mi	Rear main plate / main seal was small motor oil leak. Widely known issue with Generation IV "small block" engines. TSB Technical Service Bulletin exists for problem with solution & parts.
Oct 2010 28000 mi	Lower control arm (LCA) on front both sides replaced. Known defect in ball joint leak. Technical service bulletin 09-03-08-008A .
May 2018 124000 mi US $1100	Exhaust replaced, both catalytic converters, exhaust manifolds to headers, all midpipes to mufflers.

Pontiac G8 in California, United States Aug 2008 - Mar 2010
Sep 2008 5 mi	Visible paint flaw, too thin, primer showing through. warranty repaint of one rear quarter panel with streak of too-thin paint.

Pontiac G8 in Pennsylvania, United States Jul 2008 - Jun 2011
Jan 2011 17200 mi	replaced the radio under warranty

Pontiac G8 in Indiana, United States Jul 2008 - Dec 2011
Aug 2008 1000 mi	Reflashed computer for a better shifting transmission.
Jan 2010 8000 mi	Drive shaft was indexed and reinstalled to eliminate a vibration problem. Driveshaft still needs to be replaced.
Apr 2010 8500 mi	Driveshaft was replaced.
Dec 2011 24000 mi US $90	Oil pan leak. Warranty covered sensor that indicates passenger in seat for airbag

Pontiac G8 in Wisconsin, United States Nov 2008 - Mar 2011
Sep 2008 2200 mi	smoke coming from the left front pillar wire for the vanity light on the drivers side viser was shorting out on the frame. dealer fixed under warranty
Oct 2008 6200 mi	oil pan leaking from rear of pan
Dec 2008 9000 mi	The oil pan was leaking I had to wait about one month for the part to arrive but was still able to drive the car.
Apr 2009 14000 mi	After I had the oil pan resealed, I rechecked it and a block above the pan was leaking.  Had a filter installed in the Onstar because I could hear the engine in the speakers while using the Onstar phone.  Had panel for driver's side power seat replaced.
Jun 2009 17000 mi	Oil pan leaking they fixed it and within weeks it was leaking again and they just gave me the run around saying it wasn't the pan. There is a rattle in the front left corner and they said that it was the control arm and the parts are ordered.  Finally they just resealed the pan. They also changed the panel on the drivers seat that holds the power seat switch again.
Sep 2009 21000 mi	they replaced both of the lower control arms in the front and the rattle went away. The key would not stay locked in and the fob was falling apart.

Pontiac G8 in New Mexico, United States Jan 2009 - Nov 2016
Jan 2009 930 mi	Car died, dealer towed. Fuel pump was replaced
Feb 2009 4000 mi	Onstar notified me. Said backup battery for Onstar system was dead, and this could result in a fire to have it replaced immediatly. Dealer replaced it same day, took about 2 hours.
Aug 2011 36000 mi	kept getting check engine light, gas cap would be loose. replaced under warrenty
Mar 2016 107000 mi US $450	replaced front and rear struts and bushings

Pontiac G8 in Vermont, United States Jan 2009 - Mar 2010
Feb 2009	ECM/TCM update flash.
Mar 2009 3000 mi	Squeaking around the shift lever and rattling noise from rear right door.
May 2009 6000 mi	Squeaking around shift lever came back. Whine when driving above 60-65 in 6th gear. GM bulletin #PIP4458 Entire shifter column was replaced to fix squeaking.
Jun 2009 8000 mi	Vehicle feels loose at 65+ mph, bounces on bumps, etc. Also steering wheel vibration at ~55-70 mph.
Jul 2009 9000 mi	Vehicle feels loose at 65+ mph, bounces on bumps, etc. Also steering wheel vibration at ~55-70 mph. Service manager agreed that car bounces more than it should when pushed down with a hand. Mechanic confirmed wheel vibration as well. Nothing was done.

Pontiac G8 in Illinois, United States Jan 2009 - Jul 2014
Jul 2011 43000 mi US $250	front control arm ball joint

Pontiac G8 in California, United States Jan 2009 - Jun 2022
Aug 2011 9000 mi	Intermittent problem with driver's door window. Sometimes window wouldn't go up or down but usually within 10 minutes would operate correctly. Dealer could not make window fail with repeated operation. Still fails occasionally.
Mar 2012 12000 mi	Tire pressure monitoring system displayed --- for all four tires. Dealer said no error codes were noted and reset system.
May 2016 16300 mi US $280	Replaced Driver Door window motor. Did not fix. Dealer troubleshot problem reported since 2009 and finally, with my suggestion, checked the window controller board. Found a bad intermittent relay and replaced the board. Wow...6 years!

Pontiac G8 in Missouri, United States Mar 2009 - Nov 2010
Jul 2009 5000 mi	Exterior window trim deformed. Present at delivery.
Feb 2010 17000 mi	Driver door sticks when opening. Misaligned from factory. dealer realigned door.
Mar 2010 19000 mi	Diver's side door misaligned - sticks when opening. Dealer adjusted door too far and it took two subsequent trips to the dealer to get it right. Simple adjustment done improperly twice.

Pontiac G8 in Illinois, United States Apr 2009 - Jul 2014
Dec 2009 5000 mi	Grinding noise coming from the steering that is more noticeable during cold weather.
Jan 2010 6000 mi	Went in for same noise as described before. They replaced the steering column vein. Problem still exists.
Feb 2010 6000 mi	Replaced strut mounts and bearings. Had almost a month now with no noises.
Jul 2014 24000 mi US $30	Had TSB #09-09-41-001 performed for small clicking noise coming from steering column

Pontiac G8 in Northwest Territory, Canada Oct 2009 - Jul 2018
Jul 2011 8260 mi	Ball joints had excessive wear, car unsafe to drive. Dealer replaced parts. Minor oil leak at rear of engine, trans dropped to inspect rear main seal.

Pontiac G8 in Maryland, United States Nov 2009 - Jan 2022
Dec 2009 14000 mi	Valvetrain noise at cold start. No longer making the noise
Jan 2022 50000 mi US $600	Starter failed. Replaced starter.

Pontiac G8 in South Dakota, United States Aug 2009 - Feb 2012
Feb 2010 4900 mi	Alternator failed.
Jul 2010 9000 mi	Replaced both front top strut mounts due to excessive wear/play.
Aug 2010 9200 mi	Right front lower control arm worn/excessive play due to loose bolt. Tightened bolt; however replacement LCA, bolt and bushing ordered.
Feb 2012 12000 mi	Required reprogramming the computer.

Pontiac G8 in Louisiana, United States Feb 2010 - Jun 2017
Jun 2014 65000 mi	Lower control arm replaced

Pontiac G8 in Wisconsin, United States Oct 2009 - Feb 2012
Aug 2010 27000 mi	Mentioned once at dealer since it started after scheduling for the recall updates, days before the visit. They said no problem, and determined the control arms need to be replaced per TSB #09-03-08-008. All four front control arms replaced per TAB.
Mar 2011 33000 mi	Center console door hinge broken, shop ordered complete new lid. Hinged key-fob buttons worn completely thru. Shop ordered complete new hinged key fob.
Apr 2011 33300 mi	Dealer installed complete new center console lid. Dealer replaced complete hinged key-fob.

Pontiac G8 in North Carolina, United States Nov 2009 - Sep 2014
Dec 2012 34000 mi US $100	Nonfunctional passenger airbag control module

Pontiac G8 in New York, United States Feb 2015 - Nov 2015
Jul 2015 109800 mi US $800	Alternator was no longer charging the battery fully cost of OEM (no aftermarket available) and new battery (first replacement since new)cam to $800 for both with labor.

Pontiac G8 in Ontario, Canada Oct 2009 - Jan 2022
Sep 2010 21080 mi	Clunking sound from front end on small bumps. Notified dealer of TSB #09-03-08-008A and requested this work be done. They agreed with my diagnosis and replaced all 4 lower control arms that had developed worn ball joints.
Sep 2011 24180 mi	Oil change mechanic noticed oil stain at back of oil pan while he was doing oil change. Determined that the oil pan Gasket was causing leak. Dropped pan and replaced gasket and reinstalled. Cleaned old oil from pan. Problem fixed.
Mar 2012 25420 mi	Air bag light on. Had not driven car since recall for air bag reprogramming. Dealer checked item, no trouble found and reset light. Ok since then.
Nov 2021 465000 mi C $2060	Car would not start after a 7 hour drive and 20 minute rest. Tow truck mechanic confirmed a 'No Fuel to engine'. Car went to dealer. It took them hours to determine a fuel pump problem. Was going to charge me $1200. for a pump which he would have to order from the States!! I ordered in the Identical GM pump from Rock auto for $445 with the taxes and shipping and less wait time. While removing fuel tank they saw the drive shaft hanger bearing was defective (rubber flex ring was damaged) so they replaced that on the install. Got the car back and drove a 1000 ft and it died. Four more hours @$130 hr, and they replaced the fuel pump relay . The car is displaying other odd electrical issues- Wipers don't work and weird high/ low beam functions but they could not diagnose.

Pontiac G8 in Wisconsin, United States Aug 2009 - Jun 2011
Feb 2010 14000 mi	Lower control arm needed replacing... it's a common problem

Pontiac G8 in California, United States Jul 2009 - Mar 2014
Mar 2010 6000 mi	Mass air flow sensor failure
Mar 2012 29000 mi	Backlight went out in mirror control. Replaced under warranty Driver side rear power door lock intermittently worked/did not work.
Dec 2012 35000 mi	Engine running rough, camshaft lobe and bearing pitted and galled on cylinder 7. Replaced camshaft and bearing.

Pontiac G8 in Ohio, United States May 2009 - May 2015
Jul 2009 2000 mi	Driver seat left bottom plastic panel with power seat controls broke off.
Sep 2009 3000 mi	Driver seat left bottom plastic panel with power seat controls broke off, second time.
Oct 2009 3000 mi	Driver seat plastic lower left side panel holding power seat controls. 3rd time it happened.
Feb 2010 6000 mi	Fuel pump located in gas tank. Had to get a tow and a rent a car. Alternator replaced. Also one heater hose ...had a cut in it. No cost to me, and a dealer car for 3 days.
Mar 2010 6350 mi	Alternator replaced. Also one heater hose ...had a cut in it. No cost to me, and a dealer car for 3 days. Also had to replace the "onstar" back up battery.
Aug 2010 11000 mi	#1. Driver side rear door coax speaker replaced/buzzing/distortion.No charge.  #2. Diver seat panel trim holding power seat controls replaced for the sixth time/no charge.
Jan 2011 13000 mi	Drivers seat side panel that holds power seat buttons. It always breaks. Panel Part # 92207874.
Aug 2012 23300 mi US $20	E-VAP code so I replaced the gas cap. An OEM pontiac G8 8 cap.. Check Eng. light was out (Off) in less then a minute.
Feb 2014 32000 mi US $816	Right FRT Lower Contol Arm/Ball Joint. Left Rear ABS Sensor And Wiring Harness. #1.Synthetic oil and Filter/ Diagn test for ABS. #2.Right FRT Lower Contol Arm/Ball Joint. #3.Left Rear ABS Sensor And Wiring Harness.

Pontiac G8 in Florida, United States May 2009 - Nov 2016
Oct 2012 40300 mi	Rear left wheel bearing was replaced. Front air dam damaged when being pulled onto rack requiring body work repair.
Apr 2016 77000 mi US $850	Heard knocking sound from right front wheel well. Diagnosed as strut mount. Could not get strut mounts from GM: Not in stock and no telling when. Anyone that had them were special order for customers.
May 2016 77500 mi US $850	I had to find my own strut mounts at BMR Suspension online. They carry suspension parts for any old or new GM vehicle.

Pontiac G8 in Virginia, United States Apr 2009 - Jun 2017
Feb 2010 6000 mi	Replace key fob (stopped working), reinstalled panels to left of passenger seat (side of console), performed 2 recalls.
Jan 2012 22000 mi	Emergency flasher button stuck in on position. Would not come back out. Pressed repeatedly until flashers went off with button still depressed. Dealer replaced under warranty, had to wait a day for the part.
May 2015 44000 mi US $2400	Engine damper at front of crank went bad, was wobbling making noises in serpentine belt. Told if it was not addressed engine bearings could go bad.

Pontiac G8 in Illinois, United States May 2009 - Jan 2022
Apr 2016 60200 mi US $750	strut collapsed

Pontiac G8 in Texas, United States Aug 2009 - Oct 2010
Mar 2010 9000 mi	Engine light coming on. Fuel cap replaced. It was leaking pressure and making the system think the cap was off.
Sep 2010 19000 mi	Windows became part timers.
Oct 2010 19000 mi	Three times early on had car in shop for a rough idle. Ultimately told this is just how the 6-liter V8 idles.

Pontiac G8 in Virginia, United States Jul 2009 - Jun 2017
Oct 2009 5000 mi	Turn signal would not self cancel on left hand turns Engine compartment insulation missing several clips TPMS reprogrammed
Mar 2010 8000 mi	Transmission flare and harsh shifts.
Sep 2011 21000 mi	LED segments of the 3rd center mounted tail light were burned out. Entire assembly had to be replaced.
Sep 2015 65000 mi US $500	No oil pressure at cold start and idle speed. Would build normal pressure at higher RPM or warm start. Found broken timing chain tensioner and scored oil pump gears. Replaced timing chain, chain tensioner and oil pump.
Oct 2015 65300 mi US $1700	Previous problem (oil pump failure) was caused by one worn camshaft lobe/lifter putting metal into the engine. A tapping noise developed 2 weeks after the oil pump repair and the cam/lifters were replaced

Pontiac G8 in Alberta, Canada Jun 2009 - Jul 2012
May 2009 682 mi	Tire PRESSURE MONITORING AND REGULATING SYSTEMS,
Jan 2010 11470 mi	OnStar Battery replacement
Jun 2010 16300 mi	All four front control arms required replacement.

Pontiac G8 in Texas, United States Jun 2009 - May 2020
Jun 2009 5500 mi	Check engine light for fuel evaporative emissions. Faulty connection to fuel tank, fuel tank replaced. Compass in mirror intermittently reversing north and south readings. Rear view mirror replaced and issue resolved.
Jul 2009 6000 mi	Check engine light, vacuum test determined leak and smoke test pinpointed at faulty gas cap. New gas cap installed and issue resolved.
Aug 2009 8000 mi	Check engine light, came up evaporative emissions related. Dealer said it was a current code, but could not find a leak. Reset light and has not come back since. Two times in a week, several minutes after warm start, alternator warning light came on for 10 seconds and then went off. Dealer said cable for alternator was not seated properly and problem has not returned.
Apr 2010 19000 mi	Check engine light for evaporative emissions. Could not replicate problem, code was a history code and not presently happening. Reset and has not come back on yet. Same issue in July '09.
Oct 2011 38200 mi US $563	Driver door would not close, instead bouncing off latch mechanism. Could not fully unlock door after it was locked with the power locks or manually pushing the switch on the door. This only showed up after locking the door upon incident.
Apr 2013 54700 mi US $240	Check engine light came on, gas cap was bad and replaced (2nd replacement since new).
Aug 2014 82100 mi US $72	Replaced driver side seat trim after plastic brackets holding it to the seat broke off. I ordered a replacement online and put it on myself. Replaced driver side seat trim after plastic brackets holding it to the seat broke off. I ordered a replacement online for about $53 and put it on myself. Replaced driver side seat trim after plastic brackets holding it to the seat broke off. I ordered a replacement online and put it on myself.
Sep 2014 84000 mi US $250	Occasional odor from A/C. There was a service bulletin that called for a coating be applied to the evaporator (I believe). In the process, they said the system started losing pressure, so they discharged and recharged it at no extra cost. TPMS system fault reported after driving 20 minutes or so. Consistently comes on if driven that long. No tire pressure reading when it's on, reads fine when not. They re-learned the tires, which I had tried before. Still a problem. $0 cost.
Nov 2014 88000 mi US $250	Rattling from front passenger side of car. Strut mounts replaced on both front positions, control arm bushing was ruptured, control arm replaced. All struts up front are absent of nitrogen, parts on order and not included in the price abov TPMS sensors reporting system fault after the car is warmed up. Replaced all TPMS parts at all 4 corners when having new tires put on. This resolved the issue.
Dec 2014 89000 mi US $2500	Right front strut mount had separated. Both front strut mounts were replaced. Right front control arm bushing had disintegrated. Both front control arms replaced. Front struts and shocks no longer had gas in them, all 4 replaced.
Aug 2015 99400 mi US $600	Neck connecting hose to radiator broke off, causing vehicle to overheat. Replaced thermostat and hoses in addition to the new radiator.
Feb 2017 109000 mi US $1983	Front and rear brake pads low. First replacement of rear brake pads. Oil leak repair: Replace front crank seals, oil pan gasket, valve cover seals, oil pressure sender, oil pressure filter. Replaced hood gas struts
Dec 2017 113000 mi US $736	Alternator failed, and it was replaced with an OEM part. The initial replacement was damaged in shipping, which required another be shipped, which is why it was a 2 day repair and not 1 day.
Mar 2018 114000 mi US $740	The harmonic balancer fell apart.
Oct 2019 125000 mi US $2600	Looks free failure caused by excessive wear from active fuel management system.

Pontiac G8 in District of Columbia, United States Nov 2009 - Nov 2022
Jun 2015 39000 mi US $250	Replaced third brake light.

Pontiac G8 in Georgia, United States Jan 2010 - Nov 2011
Apr 2010 9000 mi	Passenger airbag sensor not working properly
May 2010 9700 mi	Passenger airbag sensor not working properly, replaced sensor passenger sensor and airbag sensor.
Nov 2011 27000 mi	Needed to add thrust camshaft washer to the camshaft

Pontiac G8 in Michigan, United States Apr 2009 - Mar 2010
Jul 2009 7000 mi	Engine light came on. Gas cap would not "seat" right, had to be replaced

Pontiac G8 in Indiana, United States Feb 2009 - Aug 2011
Mar 2009	Annoying rattle in dash noticed when driving on a bumpy road.
Apr 2009 2000 mi	Hard plastic trim piece fell off and broke. Dealer ordered entire assembly - $654 charged to GM.
May 2010 19000 mi	Interior trim pieces fell off again. I think the interior was disassembled prior to my purchasing the car and not put back together correctly. The original repair was also not done correctly, I surmise.
Jun 2010 21000 mi	Left rear window jammed about halfway up. Was able to force it up by hand with help. Do not recall dealer's explanation...something about a guide rail slipped. Repaired without replacing parts.
Jan 2011	Rolled down right passenger window and it would not roll up--15 degrees and snowing. Svc tech said it was a short in the motor. Repaired successfully under warranty.
Feb 2011 32000 mi	Same right-front window that would not roll up in Jan., happened again a month later. Dealer said part had to be ordered and forced up window manually so I could continue driving it until part came in.
Mar 2011 33000 mi	Part came in, window motor replaced again. Noticed clunking noise when going over bumps at low speed. Googled symptoms and found a TSB for those symptoms requiring front lower control arm and ball stud replacement. Told dealer who looked at car and said, yes that's it. Repaired.
Apr 2011 33700 mi	The replaced right front window motor failed a third time. Dealer said all they can do is keep replacing the part. I have contacted GM customer service. They gave me a "case number" and said I would hear back from them.
May 2011 36000 mi	Right front window repaired a third time, but GM authorized more comprehensive parts replacement this time.

Pontiac G8 in Michigan, United States Mar 2009 - Aug 2012
Jun 2011 23000 mi	replaced faulty gas cap.. replaced faulty gas cap..
Jul 2011 23700 mi	refilled ac with proper amount of freon. was low fill from factory refilled ac with proper amount of freon. was low fill from factory

Pontiac G8 in Virginia, United States Apr 2010 - Sep 2015
Jul 2012 74000 mi US $127	Fuel tank evap sender malfunctioned
Mar 2014 105000 mi US $1200	Airbag clock spring failed
Sep 2014 114000 mi US $450	replaced RH lower control arm

Pontiac G8 in British Columbia, Canada Feb 2012 - Sep 2016
Oct 2015 81940 mi C $200	Purge solenoid had failed, causing check engine light.

Pontiac G8 in Virginia, United States Jan 2012 - Feb 2012
Feb 2012 43000 mi	Lower Control Arms, Left Side Lower Control Arm, Right Side Fuel Sensor in the gas tank

Pontiac G8 in Alaska, United States Oct 2012 - May 2015
Feb 2013 20300 mi US $175	The suspension is too low in the rear left. Neither the dealership nor private garage (i saw two) can fix the problem. It's something that i am going to have to live with.
Jan 2014 21200 mi US $250	A the suspension is making a noise each time the car hit a bump or when someone is seating behind the driver's seat.
May 2014 30100 mi US $350	Ball joint
Oct 2014 38800 mi US $680	Ball joint, other side