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Problems with 2008 Buick Enclave POWER TRAIN

On average, the 2008 Buick Enclave starts to “feel” problems with the POWER TRAIN and its various aspects after 99 536 miles.

Components Affected by POWER TRAIN Issues

We have classified the 124 complaints from 2008 Buick Enclave about POWER TRAIN into the following categories.

AUTOMATIC TRANSMISSION 11

Recently reported POWER TRAIN problems on 2008 Buick Enclave

Friday dec 26th at 4:30 pm i was accelerating to merge into rush hour traffic on i-35 when i had a catastrophic transmission failure. there were no alarms, lights, noises, smells or anything else to alert me to the fact that my vehicle was about to fail. as i merged my rpm's suddenly went past 5000 and my 2008 enclave began to decelerate. by the grace of god there was no loss of life, mine or the other drivers around me, as my vehicle lost power. i was surprised to learn that the situation described above is not an isolated event. like so many others before me my vehicle (at 80,000 miles) was diagnosed with wave plate failure (p0776). i have called gm and requested that they pay for the repair since it's due to a faulty part, but their response is to deny, deny, deny. the manager i spoke to stated that there hasn't been a recall so gm is not obligated to do anything about the problem. the most distressing part of this situation is not the $3500.00 i'll be paying after gm's "assistance". it is the fact that i was never notified of the high failure rate of the gm wave plate. i should have been given a chance to fix it before i was put in such a dangerous situation. this transmission problem is like a ticking time bomb. thankfully, the "bomb" going off in my enclave didn't result in any casualties, but is that what it's going to take to get a recall? i hope that nhtsa does something about this issue before someone is killed. *js

Driving on the highway rpm's were going up but car was hardly moving. we could have been hit! after checking on-line this seems to be a problem for the 2008 enclave. why has there not been a recall? i believe no-one wants to take responsibility for such a costly problem but someone is going to get hurt.....we were on the highway. i will not stop here....i am hoping someone will actually read and respond to me. *tr

While braking aggressively during heavy rain, rainwater poured from the passenger side headliner onto the dash. rainwater has been leaking into the car for the past several weeks. this issue was apparently repaired three (3) prior times in 2008, but has recurred. general motors has only offered me one free hour of diagnosis time. this is a major safety issue regarding driver visibility, distracting the driver and could effect multiple electrical systems in the vehicles dash due to the introduction of rainwater. the second issue is the vehicle's transmission is failing. transmission loses power while shifting from 3rd to 4th gear, then abruptly jerks into gear. the car has less than 64,000 miles. *tr

Check engine/emissions control light came on as we were driving. stopped about a half hour later to put gas in, as we were stopped at a stop light the car didn't want to go (no power, no shift). as we were leaving the station, the car would not go. it would not shift into 3rd year, rpms were at 4000 at only 40mph. drove home and later drove it to the mechanic. drove fine then, but the rpm gauge was fluctuating. mechanic read the codes as 716 and 717. took it to a transmission specialist and it did the same thing, wouldn't shift. trans mechanic states its the clutch wave plate that probably broke and magnetic pieces attached to the sensor causing it to go into a limp mode. approximate cost to replace the $20 part (wave plate) will be in the upper $2000! ridiculous. i'm losing my faith in gm vehicles. per a web search, this is a common problem with enclave, acadia, outlook and traverse. something needs to be done about this! *tr

During acceleration on a busy highway, car lurched and lost power. evasive action was taken to avoid collision with big rig trucks hauling large hay loads. check engine light came on.told by shop the vehicle needed a new transmission. gear 3,5 and reverse were affected by automatic transmission clutch failure. vehicle only had 72500 miles on it. have several other owners who stated their transmissions in like vehicles also failed well short of 100,000 miles. danger to driver and passengers due to sudden lurch and loss of power. *tr

When accelerating i was just coasting. i put it in park and then back in drive and went about a block then lost acceleration again. i had the car towed to the dealership. i was told the 3-5 clutch failed. some metal pieces in the transmission come loose. when the car cools down they settle and the gear may work. as it warms up they get in the way again and the gears stick. i was told i needed a new transmission or a rebuilt one. i was told they would be putting in another 2008 transmission but that the part that failed had been corrected. i asked them to contact gm to see if they would cover the cost but they would only cover half of the cost. i am thankful for that but i feel this should not have happened to a 2008 car with 96,000 miles on it. i had been on the expressway the day prior to this happening and the very next time i drove the car this happened. it could have resulted in an accident. so i was without my car for eight days. *tr

Car was not accelerating properly at low speeds and the transmission seemed to be slipping when depressing the accelerator to accelerate at highway speeds. we took it to the dealer and they mentioned that 3-5-r clutch had failed. the car only has about 85000 miles. we feel this is a safety issue based on research that indicates there is an unusually high number of failures of this part, which can cause sudden decelerations, not enough power to accelerate, or failure of the transmission to engage when in "park" causing cars to roll. (our car had issues with acceleration.) we feel lucky we did not have a major incident. gm has not acknowledged they have a wider problem and so far has refused to cover the total cost of repair. *tr

While driving the vehicle, the vehicle started to shake and then lost the ability to move. check engine lights came on. vehicle engine would run but vehicle would not move. entire transmission had to be replaced. *tr

The car started to have trouble shifting into gears, especially overdrive. then it wouldn't go into reverse. the 3-5 reverse waved plate broken, replaced 3-5 reverse housing, replace 3-5r piston and dam assembly, replace all seals and gaskets, replace front cover piston spring assembly, and transmission fluid filter.......$3,173 later i was out the door not happy. i was out of town on vacation at the time! my car only had 74,074 miles on it. *tr

Tl* the contact owns a 2008 buick enclave. while driving approximately 55 mph, the vehicle made a jerking motion. in addition, the transmission power off and motor losing power indicators illuminated. the failure occurred several times. the vehicle was not diagnosed or repaired. the manufacturer was notified of the failure. the approximate failure mileage was 95,000.

Was driving and the vehicle just dropped speed,motor revved. the car continued to lose speed, pulled to the side of the road had to have it towed in to a shop. mechanic informed me the wave plate was bad and that it was/is a really common problem. dealership informed me gm knows its bad but no recall. got a letter in the mail on 4/2/2015 saying they would reimburse me if my mileage was l20000 or less. nice that they get to choose which ones they fix. waited till now to report thinking sense so many are bad gm might do something. hope this problem doesn't hurt anyone. *tr

The timing chain in the engine of this vehicle began to slip at 85,000 miles. this caused the vehicle to drive erratically when the chain slipped. at the same time, the 3rd gear wave plate in the transmission failed causing the car to shift poorly when accelerating. when changing lanes on 9/23/14, the car would not accelerate and to avoid hitting another car i had to steer off the road and i hit a street sign (no damage). *tr

The engine light came on... (4) recalls for other malfunctions..., the current re-call - 10/2014 on side air bags, that was taken care of. the engine light continued to stay on ...the dealership found the problem... the gas tank...a brand new gas tank was needed. how can that be, the car is ( 6 ) years - six . the mileage ( 64,000 ).. record shows consistent car services, good care from the initial purchase. the dealership states the cost would be $505.00. "the car could at any time stop receiving gas into the tank!!!.... the car at any time, could just stop!!!, due to a defected gas tank; assembled at a gm plant, 2008 to me, this is their/ gm responsibility. this is definitely a **safety road issue, not caused by me.... they did some sort of test; automobile was not even at the service area, when the so-called test was administered; it was then declared that the charge is mind.... i spoke to a gmbuick rep, in detroit . mi., he sent me to dealership, dealership determines who pays. gm transfers its responsibility to a dealership... please advise.... gm lacks the ability to interact with customer; no options, no customer service, no consideration, no satisfaction was given, especially; no manners... dealership did not make the car; nor equipment...please . *js

2008 buick enclave. consumer writes in regards to reimbursement for vehicle transmission repairs. *smd the consumer stated gm denied her request for financial support. in spetember 2014, the transmission was replaced due to a wave plate defect. the consumer received a letter from gm stating they would offer full reimbursement for vehicles that had the repair if they were less than 10 years old or had less than 120,000 miles at the time of the repair. the consumer was denied, because her vehicle had a 122,000 miles by the time she was able to afford the repair. *jb

While on the highway on a trip, the transmission of my 2008 buick enclave started skipping/shifting roughly when accelerating/upshifting. soon the transmission would not go faster than 30 miles an hour and seemed stuck in 2nd gear. i exited the highway as soon as i was able to. by then, it could not go on reverse either. at the repair shop, the transmission was disassembled, with a broken wave plate replaced and complete overhaul. a very scary experience! please help look into this safety hazard. your help is so very much appreciated. *tr

My car has been maintained the whole time i've had it. i've had to have replaced the motor for the electric seat, the hinge mounts for the lift gate, the dvd player, and an oil leak fixed. now the 3/5/r wave plate has broken. what's up with the buick enclaves? they cost too much for all these items to break and need replacing. i could understand if the suv was abused and not maintained. if i wanted to have my car in the shop all the time, i would have bought a clunker. why doesn't gmc have a recall for some of these items, especially the transmission 3/5/r wave plate. it isn't safe when it goes out and you are on the road. i have grandchildren that i drive around in this suv. we could be killed. gmc needs to wake up before someone is killed in regards to this problem. *tr

My family and i were on our way back to wisconsin from a trip to florida on saturday, august 16, 2014. my husband had exited the interstate and was pulling into a parking space at a fast food restaurant. the space was on a slight incline. as he pulled into the space, the enclave started to roll backward. i checked the position of the gearshift thinking that he had accidentally shifted into neutral but found that the vehicle was still in drive. the engine revved when he pressed the accelerator but the car continued to roll backward. the only gear the would work was park. we had the vehicle towed to the local buick gmc cadillac dealer. on monday, august 18, a service technician called to let us know that the 35r wave plate had failed and the 35r housing was also damaged and that metal debris had been found throughout the unit. the repair took about two days and cost $3589.49. thankfully we were not on the interstate when the failure occurred. had we remained on the interstate another mile and suddenly not been able to keep the vehicle moving forward while the traffic around us moved at expressway speeds, we could have had a serious accident that resulted in terrible injury or fatality. i wrote a letter to buick requesting reimbursement of cost of the refund and expense we incurred due to having to wait to have the vehicle repaired. i also requested that they issue a recall for the wave plate failure due to the severe danger that the failure creates. finally, i mentioned information i found on the internet stating that this failure is common on the enclave and its sister vehicles. they refused to reimburse me since there was no recall on the vehicle. they also said that the nhtsa, not gm, issues recalls and gave me the phone number to contact the nhtsa to file a complaint. *tr

Tl* the contact owns a 2008 buick enclave. the contact stated that while driving approximately 40mph, the vehicle revved up and stalled without warning. the dealer diagnosed that the transmission failed. the vehicle had been repaired. the manufacturer was notified of the failure. the approximate failure mileage was 74,500.

Tl* the contact owns a 2008 buick enclave. while attempting to accelerate, the contact heard an abnormal noise coming from the engine compartment. the check engine light illuminated and the vehicle would not accelerate past 10 mph. the vehicle was taken to an independent mechanic who diagnosed that the failure was due to a fractured wave plate in the transmission. the transmission was repaired and the failure was remedied. the failure mileage was 78,841.

After 66,000 miles of easy driving, our 2008 buick enclave has a broken wave plate and needs a new transmission! the transmission failure caused two separate dangerous driving situations, one of which could have been fatal. the first event occurred when stopped at an intersection to make a left turn. i had two children in the back seat. when the intersection cleared, i began to make the left turn, but the engine failed to accelerate and merely coasted into the lane of on-coming traffic. the left side of the vehicle and the 7-year-old child sitting there were left exposed to the threat of impact by fast-approaching traffic. after about 2 seconds, the engine accelerated and we were able to leave the intersection moments before on-coming traffic arrived. the second event occurred two days later. traveling 45-50 mph on a local highway, the engine slipped gears and would not shift out of first gear. the check engine light came on. we returned home at slow speed. in the driveway, we put the car in park, then in drive and reverse. it barely moved in either direction. the next day, we were able to drive it to the nearby dealership. it shifted gears on the way, but the warning light stayed on. the dealership informed us that the wave plate is broken and that the transmission must be replaced. we tried contacting gm customer service but received nothing more than a recorded message asking us to hold on the line. we held for over one hour and received no customer service. a review of many website postings reveals a widespread failure of the enclave wave plate and transmission, that gm is fully aware of it and has taken no steps to address it or to ensure of the safety of the thousands of enclave owners and other drivers on the road. failing any accountability by gm, we insist that nhtsa take action on this widespread safety hazard and issue a recall. *tr

While on an on-ramp to an interstate, my wife was merging into fast moving traffic. as she accelerated and merged into traffic, the vehicle lost the ability to accelerate causing the engine to rev and the vehicle to lose speed. not only was the surprise and shock of the event to include the very high revving alarming, but the vehicle was in an unsafe situation by failing to be able to maintain proper lane position in traffic. my wife managed to coast the vehicle onto the shoulder where she waited in an extremely unsafe position for help. it was found that the transmission was the cause of the issue which required expensive repairs. there was no warning prior to the malfunction and the event could have been much worse (i.e. crossing traffic, train tracks, etc...) at less than 70,000 miles, there shouldn't be spontaneous transmission problems which proved to be common with this vehicle. *tr

I was driving at approximately 55 mph when i felt my steering wheel go stiff and my rpm gauge dropped. i tried pulling over but had problems turning the wheel. that is when i realized my enclave had completely shut off while i was driving. i was able to put it into neutral and hit the brakes to bring the vehicle to a stop where i then restarted it. that was 2 days ago. today i went to start it for work and for the 3rd time in 2 months it would not start. i have already had the battery as well as the connections checked with no wrong findings. i have only had this car for 4 months! i called the dealership and they said that there is a 'service bulletin' posted in their repair shop because "many people" were experiencing the same problem but it was not a recall. *tr

Was driving on interstate at 70 mph and as car was trying to climb a hill and transmission shifting gears, it slipped. happened a few times while on interstate. got to location and then went to leave again and backing up car was hesitating. pull forward then needed to go in reverse and car hesitated like someone pressing on and off gas. arrived back at home and took the vehicle in to transmission place (had already researched through weekend on problem and saw alot of problems with 2008 buick enclaves with wave plate (snap ring) going out on transmission. just received call and my buick is another one that has joined the rank of all those who have had this same problem. should not have to have transmission rebuilt/replaced at this stage of vehicle life. i am one year out of my warranty, but under the mileage, however, that doesn't matter! gm needs to do a recall on these transmissions! there is definitely a problem and in light of all the recent news on gm problems, i think we have found another problem that should have been recalled and wasn't. *tr

Engine revs no movement, no reverse engine light on. *tr

Tl* the contact owns a 2008 buick enclave. the contact stated that while driving 65 mph, the transmission failed. the vehicle was taken to a dealer. the technician diagnosed the wave plate needed to be replaced. the vehicle was repaired. the manufacturer was made aware of the failure. the failure and current mileage was 80,001. the consumer stated the power steering went out. the vehicle was almost impossible to turn. the vehicle was towed the dealer. an inspection revealed the power steering rack was leaking from both sides, and the pump seized. also, the dealer replaced the water pump, because it was leaking. updated 08/06/14 updated 08/11/14*lj

Tl* the contact owns a 2008 buick enclave. the contact stated that the transmission failed. the vehicle was taken to a dealer. the technician was not to diagnose a failure. the manufacturer was made aware of the failure and no repairs were made to the vehicle. the failure and current mileage was 73,000.

Transmission, power steering pump, steering gears are gone @ 116,000 miles? one owner buick enclave has huge problems - not one lemon - all enclaves are lemons! where is the recall on these cars? many others have same problem and even more. *tr

Tl* the contact owns a 2008 buick enclave. while turning the vehicle at approximately 15 mph, the transmission failed without warning. the vehicle was towed to an independent mechanic and the trouble code detected internal transmission failure. the manufacturer was notified. the approximate failure mileage was 81,700.

We lost our transmission entering onto a busy interstate! no indicator lights ever came on until it happened. we are not in the habit of beating our vehicles. we are a retired. this i feel is a defect in something. there were many cars coming behind us on the ramp. it was a 2 lane ramp that went to one lane. i got into the right lane when i noticed the problem that the car was jerking and would go intermittently. i sayed right until i could get to a pull over area. full lines of traffic behind us were having to slow down which it looked pretty scarey when i looked in the rear view mirror. my husband and i feel that the way we drive should not make us lose a transmission. also, when we purchased the vehicle we took it in for a steering squeek, loud, and were told nothing was wrong. it still squeeks and worse. we are having that looked at now, again! we do not trust the warning lights on this vehicle. we purchased it new. *tr

We were driving our enclave on the highway (route 1 near stafford, va) when it felt like it was suddenly not shifting gears correctly and quickly thereafter lost power beyond 30 miles per hour. we drove into a parking lot. we called the nearest buick dealership/repair shop (route 1 buick in woodbridge, va) and told them of issue. they said it sounds like transmission and the wave plate is a "known enclave problem." they said to have it towed to them and they may be able to assist us with cost as it's close to within powertrain warranty. we had it towed to route 1 buick. they diagnosed and found all transmission and wave plate codes. they said it was a "known problem" and so they called buick gm service manager. route 1 buick called us back to say gm would not assist us as we were outside warranty by 3,000 miles and had no previous issues with transmission (i have found several other transmission and power loss complaints i and the previous owners made on this exact vehicle in my research into this...i have kept all records!). route 1 said that our cost would start at $3,800 with no guarantee they wouldn't find other issues needing to be addressed. the said lucky for us, our vehicle had an open recall on a side air bag issue they could fix. as we realized we must pay out-of-pocket and couldn't afford $3,800, we paid them the $120 for diagnosis and towed it (at our expense) to dun-rite transmission in fredericksburg, va. dun-rite found it had a broken wave plate. they rebuilt transmission for $2,800. unfortunately, the stabilitrak, traction control, and air bag sensors are all also going off and car has had 2 other instances of losing power when driving since. we purchased the certified gm car nov 2012. my car payment is $462. per mo. since that time we have spent an additional $6,095 on repairs and maintenance. our average monthly expenses are therefore $801. help us! *tr

We were driving our vehicle on the highway (route 1 near stafford, va) when it felt like it was suddenly not shifting gears correctly and quickly thereafter lost power beyond 30 miles per hour. we drove into a parking lot. we called the nearest buick dealership/repair shop (route 1 buick in woodbridge, va) and told them of issue. they said it sounds like transmission and the wave plate is a "known enclave problem." they said to have it towed to them and they may be able to assist us with cost as it's close to within powertrain warranty. we had it towed there to route 1 buick. they diagnosed and found all transmission codes a wave plate code. they said it was a "known problem" and so they called buick gm service manager. route 1 buick called us back to say gm would not assist us as we were outside warranty and had no previous issues with transmission (i have found several other transmission and power loss complaints i and the previous owners have made on this exact vehicle in my research into this...i have kept all records!). route 1 said that our cost would start at $3,800 with no guarantee they wouldn't find other issues needing to be addressed. the also said lucky for us, our vehicle had an open recall on side air bag issue they could fix. as we realized we must pay out-of-pocket and could not afford $3,800, we paid them the $120 for diagnosis and towed it (at our expense) to dun-rite transmission in fredericksburg, va. dun-rite found it had a broken wave plate. they rebuilt transmission for $2,800. unfortunately, the stabilitrak, traction control, and air bag sensors are all also going off and car has had 2 other instances of losing power when going up hills. we purchased the certified gm car nov 2012. my car payment is $462. per mo. since that time we have spent an additional $6,095 on repairs and maintenance. our average month expenses are therefore $801! help! *tr

Transmission has become defective on the vehicle, not sure of the extent because it is currently in the shop. stopped accelerating the cost so far to fix is $625 and that is just to have it taken out and looked at but i am sure it will increase once they find out that the problem is the same issue as a lot of other 2008 buick enclave owners have had. this is a manufacturer issue and needs to have a recall, why should the consumer have to pay for a crappy gm product. *tr

About 3 weeks prior i noticed very subtle clunk when changing gears. than out of no were the car started slipping gears at around 40mph. the engine would rev high rpm but it wouldn't kick into 5th gear. only did the it once. within 1 day it slipped every time 5th gear was engaging, within 2 day of that 3rd gear was slipping every time. brought it to aamco and was informed of a r/3/5 wave plate clutch disc tsb with this model transmission. transmission needs a rebuilt to the tune of $2000-2500. pathetic that a $45k vehicle cant even make to 100k miles. who says china makes all the crap? gm must employee the chinese. *tr

Tl* the contact owns a 2008 buick enclave. the contact stated while driving approximately 30 mph, the engine power reduced warning light illuminated and the engine stalled. the contact managed to merge to the emergency lane. the contact noticed that the key was hard to eject from the ignition. the vehicle restarted after multiple attempts. the failure recurred multiple times. the vehicle was taken to a dealer. the technician stated that there was broken solenoid inside of the transmission and needed to be replaced. the manufacturer was not notified of the failure. the approximate failure mileage was 90,000.

Have an 2008 enclave at 73, 300 miles and suddenly it feels like the transmission is stalling or sticking. won't reverse and the transmission engine light is on. the engineer was shaking and noise. *tr

Tl* the contact owns a 2008 buick enclave. the contact stated that the vehicle suddenly stalled. the contact restarted the engine but the transmission would not operate in reverse. the vehicle was taken to the dealer, who diagnosed that the transmission was faulty. the vehicle was not repaired. the manufacturer was notified. the failure mileage was 73,000. updated 06/24/14*lj the consumer stated the check engine light did illuminate. the vehicle would not exceed 40 mph. the engine shakes along with making noise. the dealer advised the transmission wave plate failed. updated 06/24/2014 *js the diagnosis was internal damage to the transmission. updated 04/09/15. *jb

Driving down the road and the vehicle starts revving. transmissions slips and then hoes out. vehicle would not move

Tl* the contact owns a 2008 buick enclave. the contact stated that while traveling 35 mph, the vehicle jerked and failed to accelerate past 15 mph. the contact also stated that the engine light illuminated then the vehicle stalled. the vehicle was towed to a private mechanic who stated that the tranmission needed to be replaced. the vehicle was being repaired. the manufacturer was notified. the failure mileage was 110,607.

Tl* the contact owns a 2008 buick enclave. the contact stated that while driving approximately 30 mph, the vehicle failed to accelerate as the check engine warning light illuminated. on another occasion, the contact stated that the vehicle failed to operate in reverse. the vehicle was towed to a dealer where it was diagnosed that the power transmission needed to be replaced. the manufacturer was notified of the failure. the vehicle was repaired. the approximate failure mileage was 73,200 and the current mileage was 73,800.

Tl* the contact owns a 2008 buick enclave. the contact stated that the vehicle was parked with the engine turned off. a four-year old child was in the vehicle and haphazardly moved the vehicle out of park. the vehicle then rolled away and crashed into a fence from the drover's side area. the child did not sustain any injuries. a police report was not filed. the dealer inspected the vehicle and was unable to duplicate the failure. the vin was not available. the manufacturer was not made aware of the failure. the failure and current mileage was 100,000. the vin was not available.

Purchased vehicle end of feb 2014. problems started right away. 3-13-14 replaced front struts, complained about trans shifts and heater motor working part time. dealer said they could not duplicate. 4-8-14 replaced blower motor and pigtail. 6-5-14 replaced ac evaporator old one was shot. 7-5-14 replaced transmission,& water pump, & steering gear pinion shaft seal. now we currently have clear coat pealing and water coming in on the drivers side floor. *tr

While accelerating from a stop through an intersection, the transmission failed and the vehicle coasted to a stop blocking traffic. after turning the key off and then starting the car, my wife was able to get the car to move at a crawl 15ft at a time. after doing this several times she was able to park the car safely off of the road. we had the vehicle towed to the gm dealership and they diagnosed the problem as a r, 3,5 wave plate failure. the dealership has recommended a new transmission at a cost of $4,400. after some research i have found this to be a common problem with the 6t75 transmission across the entire gm line of vehicles manufactured in late 2007. there is a service bulletin (09-07-30-012b) that addresses this, but no recalls yet. *tr

The power steering lines as well as the transmission cooler lines have defective crimps where the rubber portion of the hose mates with the metal portion. this causes leaking power steering and transmission fluid that could potentially leak onto hot exhaust and start a fire. or these lines could burst and cause rapid loss of fluid causing vehicle control issues. *tr

Driving through intersection roughly 35mph, transmission stalled and vehicle quit moving. luckily all other vehicles stopped and no crash occurred. vehicle had all seven seats full with passengers, 2 adults and 5 children. vehicle had to pushed out of the way to side of road. passengers (adults,children and babies) were stranded in snowy weather and had to be picked up by another vehicle. vehicle has 78,000miles on it with no previous issues with transmission. was told by mechanic that its the 35r wave clutch plate. there is a service bulletin on this vehicle and other models like it such as the acadia. cost will be upwards of $3500 to replace and the vehicle barely has any miles on it! why has this problem not be taken care of....???? it is a huge safety issue. could have easily caused an accident and killed all seven passengers had we have gotten side swiped! this is a large suv multi passenger vehicle...not a two seat car!! *tr

Car lost all forward motion with no warning. diagnosis: transmission gone. i was on a narrow 2 lane roadway and was stuck on a curve. a sitting duck. i was able to pull over to side a bit but still in harms way. no indication of any kind that there was a problem prior to incident. 12 hours prior at 11 pm at night, i was traveling in the tunnel under boston. thank god it didn't go then. the car was 9 months out of dealer 5 year / $100,000 warranty. also had to repair steer gear bushings for $350 (which i see on this site has been a problem for many others). these seem to be defective parts, that put me in danger. *tr

I just had my transmission repaired, cost me my savings, and a known issue with many owners. now the power steering is caput. have to waist my precious time and money on taking the car to the shop again. there is already a class action law suite for this exact issue. shame on gmc for producing such poor quality car. *tr

I started from park and shifted to drive. as soon as i gently stepped on the gas to accelerate there was a jolt and loud noise. it shifted rough basically. the check engine light came on immediately. i stopped and looked under the car and hood for any signs of damage or leaking fluid and found none. i then decided to stop at the first auto part store i found to get the code read for the warning light. the codes read p0717, p0716, p0700, p0756. the tech told me that this indicated one of three problems all dealing with the transmission. so i decided to drive home and figure out what to do. as i started to drive it failed to shift from first gear. so i ended up driving slow due to the car being in first gear. then suddenly the car acted as if it was in neutral, not allowing me to go forward or reverse. so i coasted to a stop and had the vehicle get pushed the remaining block. the shop tells me that it is some kind of wave plate and requires a new transmission at close to an estimated $5000. i just bought this car because i recently had a baby and have another child. i work for the military and can't afford this kind of repair 8 months after i had purchased it. since this problem i have done some research and there are hundreds of people with the same problem. which leads me to my question, when is enough? how many does it take to have a recall? my family are now down to one vehicle until i can figure out a way to pay for this repair. *tr

While driving down the freeway at 70 mph the vehicle kicked out of gear. engine was still running. pulled to shoulder of freeway and coasted. once the vehicle slowed to approximately 50 mph it engaged back into gear. was able to drive between 55 and 60 at about 3000 rpm but transmission would not shift to higher or lower gears. took freeway exit and came to stop. upon turning onto adjacent road the vehicle only used 2 gears to reach a speed of 55 mph, shifting from a low gear to a high gear at 4000 rpm. *tr

As we were driving around a dark curve on a well traveled country road, the car quit pulling, the battery died, and the car would not shift. we were unable to move the car and were in the dark. there were two adults and two children in the car at the time. we had to call a wrecker to pick up the car and a deputy sheriff to direct traffic and keep from being hit by oncoming traffic. apparently, the shifter broke and the transmission died. both had to be replaced. i found out later that the transmission is the #1 complaint on this particular car. why has a recall not been done? do lives have to be lost before something is done??? *tr

I was driving home from work and slowed down to avoid an accident in front of me. when i accelerated, the car would not go faster than 40 mph. i pulled over to check vehicle and everything seemed fine. i restarted car and could not go faster than 20 mph. i went to local gm dealer and was told the transmission had failed. reverse, 3rd and 5th gears were gone. i limped the vehicle home and am now looking at $3-5000 worth of repairs on a high end, well maintained vehicle with only 112,000 miles. i am very upset with customer service at general motors and with the quality of this overpriced lemon! *tr

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