2010 GMC Acadia Problems

What owners report

Owners of this model year most often write about the power steering going heavy or quitting, usually while turning at parking-lot or city speeds, and about a stretched timing chain that sets a check engine light. Secondary themes are headlight bulbs and connectors burning out and transmission slipping or failing to engage a gear. Reported mileages are spread widely, with steering complaints clustering from about 50,000 to 150,000 miles and timing chain reports mostly above 90,000.

1. 1
   Steering

   Power steering cuts out, especially at low speed

   • 114 complaints (33%)
   • median 71,000 mi at 4.6 yrs old (106 state mileage)
   • 6 mention a crash, fire or injury
   • owner-quoted repair $1,300 (median of 13 quotes)
   • filed 2011–2022

   Owners describe the steering effort suddenly going very heavy, or the wheel feeling locked, most often while turning into a parking space, pulling out of a driveway, or making a slow turn at an intersection. Some say it recovers on its own once the vehicle is moving faster, and a few mention a whine or a low fluid level beforehand, while others report the reservoir was full. Complaints describe dealers replacing the power steering pump, the rack and pinion, or the pressure hoses, and some owners say the dealer could not find a cause or quoted a repair costing well over a thousand dollars. Mostly reported between roughly 50,000 and 150,000 miles, and typically during low-speed turns rather than at highway speed.

   What to check: On a test drive, make several slow full-lock turns in a parking lot and listen for whining or feel for a sudden increase in effort. Ask for service records showing whether the power steering pump, hoses or rack have been replaced, and check the fluid level and colour.

   2 excerpts from owner complaints in NHTSA records

   “While turning at a low speed steering locked up making hard to turn. This now happens frequently while driving and making turns. Some times I am unable to turn at all and have to try again. I have read numerous accounts of this happening to this car, if I would have known I would have never purchased.”

   NHTSA complaint #10761979, filed 2015-09, 80,000 miles

   “This is my wife's vehicle which I rarely drive. While attempting to make a turn at a slow speed in city driving, I noticed that the power steering went away and I was barely able to force the steering wheel enough to complete the turn. Once straight and the vehicle moving at normal speeds the power steering was working fine. In subsequent slow moving turns both to the right and left steering difficulties were encountered intermittently. …”

   NHTSA complaint #10725088, filed 2015-06, 115,000 miles
2. 2
   Engine

   Stretched timing chain with check engine light

   • 61 complaints (18%)
   • median 97,700 mi at 7.1 yrs old (45 state mileage)
   • 1 mention a crash, fire or injury
   • owner-quoted repair $2,800 (median of 14 quotes)
   • filed 2014–2022

   Owners report the check engine light coming on and a scan returning codes such as P0008, P0016 or P0017, after which a dealer or independent shop tells them the timing chains have stretched. Some describe a deep droning or rattling sound at cruise, a misfire on one bank, a no-start, or rough running before the diagnosis, and a few mention an oil leak found at the same time. Complaints say the quoted repair runs into the thousands of dollars, and several owners note that earlier model years of the same engine received extended coverage while their vehicle did not. Mostly reported between about 70,000 and 150,000 miles, often first noticed as a check engine light at start-up or during routine inspection.

   What to check: Have a scan tool read stored and pending codes rather than just looking at the dash, and pay attention to any steady rattle or drone from the front of the engine when cold. Ask whether the timing chains have been replaced and keep records of oil changes, since the complaints often mention oil consumption alongside this.

   2 excerpts from owner complaints in NHTSA records

   “Check engine light: timing chains stretched. Check engine light came on. I took the vehicle to the local dealership where I have service performed. The service representative informed me this was a stretched timing chain issue - a common issue with Gmc acadias. I was informed that if/when it breaks , I can lose power to the vehicle while driving. …”

   NHTSA complaint #10927547, filed 2016-11, 103,000 miles

   “My check engine light was on so I took it to my mechanic because I need an inspection sticker. Found out today after I took it to a Gmc dealer that I now need to replace my timing chain. I've only owned the car a year and a half. I bought an extended power train warranty but doubt its covered. This should be covered by the recall, it seems to be an issue for more than just me.”

   NHTSA complaint #11321899, filed 2020-04, 119,900 miles
3. 3
   Exterior lighting

   Headlights and connectors overheat and burn out

   • 22 complaints (6%)
   • median 58,000 mi at 4.9 yrs old (19 state mileage)
   • 3 mention a crash, fire or injury
   • filed 2010–2020

   Owners describe low-beam or daytime running bulbs failing repeatedly, sometimes every few months and often one side shortly after the other. Several complaints say the bulb connector or the lamp housing was found melted or scorched, and in some cases a new bulb would not work at all. Owners report the dealer quoting a full wiring harness or lamp assembly replacement, and some say the repair was declined or not covered. Reported from about 35,000 miles upward through 150,000 miles, usually as repeated bulb failures over months or years rather than a single event.

   What to check: With the lights on, inspect each lamp housing and connector for brown discolouration, melting or a burnt smell, and confirm both low beams and the daytime running lamps work. Ask the seller how often bulbs have been replaced and whether any connector or harness has been changed.

   2 excerpts from owner complaints in NHTSA records

   “My headlights on my 2010 Gmc Acadia go out numerous times a year. Typically one headlight will burn out and a few days later the other headlight burns out. We replace the headlight usually but this time we went to replace the build and the new bulb wouldn't work. This is getting extremely costly to replace he bulbs a few times a year and. Is we might have an even bigger problem with the new bulb not working at all. …”

   NHTSA complaint #11065825, filed 2018-01, 50,000 miles

   “The transmission slips. When you start the vehicle it sometimes starts in the wrong gear and needs to be shut off an restarted, otherwise it runs on too many RPM. At times when pushing on the gas, after a stop at a light, it does not move for a while. When it does move it jerks and abruptly starts. The running day head lamp overheats and burns out the light bulb, causing it to explode.”

   NHTSA complaint #11361368, filed 2020-09, 130,000 miles
4. 4
   Transmission and drivetrain

   Transmission slips, hesitates, rolls back in Park

   • 17 complaints (5%)
   • median 97,000 mi at 6.8 yrs old (13 state mileage)
   • filed 2010–2020

   Owners describe the transmission slipping under load or on hills, with engine speed rising without the vehicle pulling, and some report harsh or delayed engagement after stopping at a light. A few complaints mention the vehicle starting off in the wrong gear or refusing to shift out of first until it is shut off and restarted, and one describes a broken wave plate inside the unit that led to a full rebuild. Another owner reports the vehicle moving rearward while the selector is in Park, which a dealer described as normal for the design. Scattered from very low mileage up to about 130,000 miles, with most reports above 50,000 and slipping often noticed first on inclines or during rolling stops.

   1 related service bulletin

   What to check: Drive a route that includes a hill start and a rolling stop, and feel for a delay going into gear, flaring revs or a clunk. Ask whether the transmission fluid has been serviced and whether any rebuild or replacement has been done.

   2 excerpts from owner complaints in NHTSA records

   “While driving, my transmission was slipping occasionally and then it became a daily occurrence and multiple times a day occurance. When it slipped, I could feel it and the rpms would increase. I took it to a local transmission shop and it turned out to be a 3/5 wave plate failure. The broken parts damaged the rest of my transmission and I had to have a complete rebuild. …”

   NHTSA complaint #11180210, filed 2019-02, 122,000 miles

   “First problem is that the power steering is hard to turn when not moving or while driving at slower speeds as if there is no power steering at all. Second problem is the transmission occasionally will not shift from 1st gear which will cause me to pull over to a complete stop then accelerate again allowing it to shift.”

   NHTSA complaint #11337799, filed 2020-07, 99,000 miles

Buying note. A pre-purchase inspection by a shop familiar with these vehicles is worth the cost here, focused on steering effort at low speed, stored engine codes for the timing chains, and how the transmission shifts under load. Records showing power steering and timing chain work already done, plus a scan of the lamp connectors, will tell you more than mileage alone on this model year.

Summary written with AI from a sample of 60 NHTSA complaints for this model year (picked at random, with complaints that state a mileage and recent ones taken first), then checked automatically against the source records. Where a problem shows a complaint count, every complaint for this model year was matched with fixed keyword rules (written with AI and tested against the sample), and the mileage, age and repair figures are calculated from those complaints; owners' figures are as stated, not verified. Other counts refer to the sample. The excerpts come from NHTSA's public complaint records and are unverified; capitalisation is normalised, NHTSA staff notes are removed, and shortened text ends with “…”. Something wrong? Request a correction.