This service bulletin provides information on replacing the intake manifold when the engine is replaced after severe internal engine damage.
full bulletin at NHTSA ↗2010 GMC Acadia engine problems
severe Owners of the 2010 GMC Acadia have filed 67 NHTSA complaints about the engine, typically surfacing around 98,000 miles at roughly $3,100 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
Failure mileage
Complaints
67
Recalls
0
Avg fix
$3,100
| Model year | engine complaints |
|---|---|
| 2007 Acadia | 19 |
| 2008 Acadia | 59 |
| 2009 Acadia | 35 |
| 2010 Acadia (this page) | 67 |
| 2011 Acadia | 25 |
| 2012 Acadia | 21 |
| 2013 Acadia | 7 |
| 2014 Acadia | 15 |
4fires
5injuries
When does it fail?
Of the 67 engine complaints filed for the 2010 GMC Acadia, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
What stands out
Of the 18 model years of GMC Acadia we track for engine problems, this one carries the most owner complaints on file — 67.
Owners have filed 67 engine complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
full bulletin at NHTSA ↗This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
full bulletin at NHTSA ↗This service bulletin provides guidelines and diagnostic/repair information to technicians regarding vehicle engine oil consumption.
full bulletin at NHTSA ↗This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
The 2010 GMC Acadia's 3.6L engine exhibits a critical pattern of premature timing chain wear. Owners describe check engine lights with code P0008 appearing between 50,000 and 130,000 miles, often accompanied by rattling noises, misfires, loss of power, rough idle, or sudden engine stall at highway speeds. Several owners reported complete engine failure without warning while driving at 45–70 mph, losing power steering and braking in the process. One timing chain failure occurred at just 9,000 miles due to valve spring breakage.
The root cause appears tied to inadequate oil delivery to timing chain tensioners; the manual calls for 3,000-mile oil change intervals, but dealers often program 5,000-mile intervals, starving these components. GM extended warranty coverage to 120,000 miles or 10 years for 2007–2009 model years with the same engine and same problem, but refuses to cover 2010 and later years despite identical failure modes.
Repair demands engine removal and costs $3,000–$7,500 depending on whether chain replacement or full engine swap is needed. Used replacement engines are in high demand and cost more each month due to shortage. A secondary water pump seal leak issue also appears in several complaints, with coolant leaking into transfer cases or HVAC systems. Excessive exhaust soot and sporadic AC hose failures round out the pattern, along with rare but catastrophic engine fires.
Owners consistently report that GM acknowledges the issue internally but denies warranty claims for 2010+ vehicles, citing purchase history or mileage—even when failures occur well before typical engine life.
Same GMC Acadia engine reports on nearby years: 2007 · 2008 · 2009 · 2011 · 2012
Failure modes owners describe
Timing Chain Stretch / Premature Wear
Timing chains stretch prematurely, causing cam and crankshaft timing to drift out of sync. This triggers check engine light with codes P0008, P0016, or P0017 and can lead to misfires, loss of power, rough idle, or complete engine failure. Owners report the problem occurs well below typical engine life expectancy. The underlying cause appears related to inadequate oil delivery to the timing chain tensioners when the oil change interval recommendation was not followed at 3000 miles. Earlier model years (2007-2009) received extended warranty coverage to 120,000 miles or 10 years; 2010 and later model years with the same 3.6L engine and same issue do not qualify. Repair requires engine removal and extensive disassembly.
When: Typically 50,000 to 130,000 miles; one failure at 9,000 miles with valve spring breakage
Symptoms owners cite: Check engine light with code P0008, P0016, P0017; Rattling or knocking noise from timing chain area; Misfire condition; Loss of power / sluggish acceleration; Engine stall without warning at highway speeds; Rough or erratic idle; Engine will not start or difficult start
Codes mentioned: P0008, P0016, P0017
Repairs/costs cited: Timing chain replacement requires engine and transmission removal; repairs documented at $2,300 to $7,500+ depending on whether used engine replacement or chain repair. One owner paid $3,250 for just the timing belt replacement at ASE-certified independent shop, still unsuccessful. One documented replacement cost $5,000 at dealer. Engine replacement cost ranges $5,000 to $7,500 for used engines, with no guarantee of same problem recurring.
Recalls/TSBs owners mention: GM issued extended warranty (TSB SB-11340, NHTSA reference 10043857) covering timing chain repairs up to 120,000 miles or 10 years for 2007-2009 model years only. 2010 and later model years with same engine and same failure mode are not covered. Some dealers offered half-cost repairs (documented in at least one case). GM states supplier was changed and problem resolved, but complaints continue post-2010. GM denies coverage citing vehicle being out of warranty or purchased used. No recall issued for 2010 models despite acknowledged awareness of the issue.
Engine Failure / Complete Engine Shutdown
Engine experiences sudden, catastrophic failure with loss of all power while driving at highway speeds. Failures occur without warning or with check engine light coming on just before stall. Owner reports engine will not restart or restart briefly then stall again. In one case, valve spring broke and went through the cylinder, seizing the engine. In another, excessive oil burning led to complete engine failure. Another owner experienced loss of power steering and braking when engine shut off mid-turn in busy intersection.
When: Ranges from 9,000 miles (valve spring failure) to 168,000 miles; many clustered between 80,000 and 138,000 miles
Symptoms owners cite: Engine stalls while driving without warning; Loss of power, power steering, and brake assist; Check engine light illuminates before or during stall; Smoke from engine hood; Engine will not restart or restarts briefly then stalls again; Vehicle becomes inoperable
Codes mentioned: <UNKNOWN>
Repairs/costs cited: Complete engine replacement required at $5,000 to $7,500. Some owners unable to afford repair and had vehicle repossessed or donated to salvage. Used replacement engines in high demand due to prevalence of failures; prices rising during shortage periods. At least one engine replacement was itself recalled in April 2016 for faulty piston rings, requiring second replacement at no cost.
Recalls/TSBs owners mention: Manufacturer denies coverage for out-of-warranty failures and refuses to extend special coverage. One owner with vehicle purchased used was told no coverage available. No recall established for 2010 model year for this failure mode despite pattern of complaints.
Water Pump Shaft Seal Leak / Water Pump Failure
Coolant leaks from water pump shaft seal, leading to water pump failure. In one case, coolant leaked onto transfer case/axle causing transfer case failure and highway breakdown with black smoke from hood. In another, water leaked into HVAC blower motor housing, disabling blower and defroster—a safety issue since defroster will not function.
When: One documented failure at 106,000 miles; one owner received warning letter in 2013 for potential future failure; another experienced failure on highway prior to July 2019 but after 120,000 mile threshold had passed
Symptoms owners cite: Visible coolant leak from water pump; Water pump failure; Coolant leaking onto other drivetrain components; Water entering HVAC blower motor housing; Blower fan stops working; Defroster inoperable; Smoke from engine hood; Vehicle shaking on highway
Repairs/costs cited: One owner faced transfer case replacement after water pump seal failure caused coolant to contaminate transfer case. Cost not specified but described as major repair on highway. HVAC blower motor repair requires dash removal.
Recalls/TSBs owners mention: GM issued warning letter in 2013 (referenced by one owner) stating engine coolant may leak from water pump shaft seal and offering coverage up to 10 years or 120,000 miles if condition occurs within that window. However, letter made warranty claim process confusing and difficult; stated all work must be completed by October 31, 2014. One owner's failure occurred before 10-year mark and before 120,000 miles (July 2019 on vehicle placed in service prior to 2009) but was denied reimbursement.
Excessive Exhaust Soot / Fuel Combustion Issue
Vehicle emits excessive black or blue/black smoke from exhaust, covering rear of white vehicle with soot buildup. Visible puff of black smoke on cold startup. Excessive soot indicates unburned fuel in cylinders. Owner with military vehicle maintenance background suspects fuel leak or fuel bypass into cylinders when vehicle is parked, or overly rich fuel mixture not burning efficiently. Another owner reports blue and black smoke for 35-40 seconds on cold start; dealer claimed vehicle functions as designed.
When: One documented from Aug 2010 to Aug 2011 (first year of ownership); another at 34 miles
Symptoms owners cite: Visible black smoke from exhaust, especially on cold startup; Puff of black or blue/black smoke lasting 35-40 seconds; White vehicle rear covered with soot; Poor fuel economy (14.5 MPG reported by one owner); No check engine light in some cases
Repairs/costs cited: One owner drove 2,000 miles in one week as dealer suggested to see if issue resolved; it did not. Chevy dealer noted similar complaints on Traverse model (same engine) but unable to resolve. Unrepaired in complaints reviewed.
Recalls/TSBs owners mention: Dealer told owner with no check engine light that nothing is wrong. No recall or technical service bulletin mentioned in narratives. One dealer acknowledged seeing similar complaints on related vehicles but could not resolve.
Engine Fire
Vehicle caught fire under the hood while being driven, with white and black smoke leaking into cabin through air vents. No warning lights illuminated before fire started. Vehicle became fully engulfed and was deemed total loss. Contact sought medical attention for smoke inhalation.
When: Mileage unknown
Symptoms owners cite: White and black smoke entering cabin through air vents; Smoke from under hood; Vehicle engulfed in flames; No warning lights before fire
Repairs/costs cited: Vehicle total loss; fire department extinguished fire on roadside.
Recalls/TSBs owners mention: Manufacturer was made aware of failure. Owner related failure to unknown prior NHTSA campaign. No information on manufacturer response provided in narrative.
Intermittent Power Loss / Stalling and Sluggish Acceleration
Vehicle experiences intermittent loss of power and sluggish acceleration, especially on highway entrance ramps. Engine pulls back and loses power mid-acceleration. In one case, traction control light illuminates during incident on sunny, dry day with no loss of traction. Issues occur intermittently and may disappear when driven normally or gradually, returning when attempting harder acceleration. One owner reports problem only appears when driving alone; cannot be reproduced at dealership.
When: One case reported from April 2011, recurring Sept 2011
Symptoms owners cite: Sluggish acceleration / no pickup; Loss of power on highway entrance ramp; Engine pull-back sensation mid-acceleration; Traction control light illuminates during power loss; Intermittent nature makes diagnosis difficult; Problem may resolve or worsen unpredictably
Repairs/costs cited: Unrepaired; owner attempting to get to dealership while vehicle still under warranty for diagnosis.
Recalls/TSBs owners mention: Unknown; owner hoped to use remaining warranty to diagnose issue.
Air Conditioning / HVAC Hose Leaks
AC discharge and suction hoses blow out, causing refrigerant loss and AC system failure. A/C hose failure is widespread enough that replacement hoses are on backorder. Black light UV dye testing revealed large areas of dye on hoses and surrounding areas, indicating major leaks. One separate complaint notes water leaks into HVAC blower fan through faulty hose connector, requiring dash removal for repair.
When: One documented at approximately 3 years of ownership (2012-2015 timeframe)
Symptoms owners cite: A/C stops working; Refrigerant leak; Visible dye on hoses under UV light; Water leaking into HVAC blower motor; Blower fan failure; Moisture inside vehicle
Repairs/costs cited: Replacement hoses on backorder, suggesting systemic failure pattern. Repair cost approximately $700. Dash removal required for hose connector replacement in water leak case.
Recalls/TSBs owners mention: No coverage mentioned. Water pump seal leak recall (TSB) exists but separate from AC hose issues.
Fuel Odor in HVAC System
Strong fuel odor emits from inside vehicle when heat or air conditioning system is activated. Dealer diagnosed HVAC system failure requiring filter installation. Repair performed but failure recurred.
When: At 47,125 miles
Symptoms owners cite: Fuel odor inside vehicle when A/C or heat activated; Recurrent failure after repair
Repairs/costs cited: HVAC filter installation performed; issue recurred.
Recalls/TSBs owners mention: Manufacturer notified of failure; no further coverage information provided.
Synthesized from 67 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 7 most recent
I purchased this vehicle on june 25 ,2020 and on august 19,2020 it broke down on the expressway while I was transferring from one hospital to another hospital with me I'll 3 year old .I replaced the battery and starter it still would not crank I sent it to Buick GMC in morrow and they told me that the motor was completely gone. I paid my car note up until february 5,2021 and I don't have a…
Check engine light came on and I took the vehicle to the local dealership. The service representative informed me this was a stretched timing chain issue - a common issue with GMC acadias. Upon searching the internet for error code p0008 it pulls up loads of information regarding the acadia timing chain issue. In fact, model years 2007 through 2009 had an extended warranty issued for them up to…
Tl* the contact owns a 2010 GMC acadia. While driving various speeds, the vehicle stalled and the check engine warning indicator illuminated. The vehicle was able to restart on the third attempt; however, the failure recurred. The vehicle was taken to the dealer where it was determined that the timing chain fractured and needed to be replaced. The vehicle was not repaired. The manufacturer was…
Tl* the contact owns a 2010 GMC acadia. While driving, the vehicle stalled without warning. The vehicle was towed to an independent mechanic who diagnosed that the engine failed and needed to be replaced. The vehicle was not repaired and was not taken to a dealer. The manufacturer was made aware of the failure and provided case number:[xxx]. The failure mileage was approximately 168,000. *mp…
Water leak into the ac- blower fan, the major safety issue here is the front defroster wont be working simply cause the fan stops working due to it being submerged in water. This issue has been noted by many users and requires investigation, I believe. Here is a detailed link to a youtube showing the exact same issue, and I will attach pictures from my own car with the problem shown,…
Timing chain issues. I am about to pay $2500.00 to replace the timing chains. I keep reading that the problem was solved, but since so many people are still having to problem, I guess they haven't fixed the problem
My wife's GMC acadia shut down while driving down expressway and lost all power and threw a CEL. The diagnosis from the dealer mechanics was a stretched timing chain. I was told this is common and a scheduled maintenance part but nowhere in my manual does it state this. Also I contacted gm corporate to see if I could get help it being a safety issue for the shut down and was told it was out of…
Had engine trouble with your 2010 GMC Acadia?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2010 GMC Acadia?
It's a meaningful issue. 67 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $3,100.
At what mileage does the engine typically fail?
Across the 55 complaints that reported odometer mileage, most engine failures cluster between 71,000 and 120,000 miles, with the median around 98,000. A quarter of owners report trouble before 71,000; a quarter make it past 120,000. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2010/GMC/Acadia.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.