This preliminary informational (PI) bulletin provides information to dealership personnel that may be helpful when addressing underbody component corrosion with customers.
full bulletin at NHTSA ↗2016 GMC Acadia steering problems
moderate Owners of the 2016 GMC Acadia have filed 26 NHTSA complaints about the steering, typically surfacing around 54,000 miles at roughly $700 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See steering across all vehicles →
Failure mileage
Complaints
26
Recalls
0
Avg fix
$700
| Model year | steering complaints |
|---|---|
| 2012 Acadia | 46 |
| 2013 Acadia | 8 |
| 2014 Acadia | 26 |
| 2015 Acadia | 33 |
| 2016 Acadia (this page) | 26 |
| 2017 Acadia | 33 |
| 2018 Acadia | 24 |
| 2019 Acadia | 30 |
| 2020 Acadia | 17 |
1crash
When does it fail?
Of the 26 steering complaints filed for the 2016 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
Owners have filed 26 steering 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.
No new NHTSA steering complaint has been filed on this vehicle in over 6 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering steering 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.
This service bulletin provides a procedure to flush and bleed power steering system to correct a power steering noise or fluid leak concern that is caused during extremely low temperatures.
full bulletin at NHTSA ↗This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
full bulletin at NHTSA ↗This service bulletin provides a procedure inspecting for excess grease or Sealant on the Exterior of the steering gear due to seeing grease or sealant on certain locations on the gear.
full bulletin at NHTSA ↗This informational bulletin explains Unscheduled Supplemental Services and the importance of GM Simplified Maintenance Schedules.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
The failure pattern owners describe
Owners of 2016 GMC Acadias report power steering failure—sudden, without warning, and often between 40,000 and 70,000 miles. Most failures strike when steering assist is needed most: slow-speed turns, parking, or stopping. The steering wheel locks or becomes impossible to turn, forcing manual effort that feels like no power assistance exists. Several owners narrowly avoided collisions; one crossed into oncoming traffic.
The root cause spans multiple failure points: power steering pumps lose their seals and leak fluid; hoses rub through protective grommets against engine brackets and deteriorate; internal seals in the steering rack fail. One technician-aware issue involves the power steering fluid line chafing against an aluminum A/C line due to a failing grommet; dealers reportedly bend the lines manually as a temporary fix rather than correct the underlying bracket design. Another owner discovered a cracked pump after repeated misdiagnosed repairs totaling over $5,000 in parts.
Repair costs run $2,065 to $4,100, with many owners paying out of pocket because the vehicle sits outside the factory warranty window. One owner faced nearly $6,300 for complete system replacement. Dealers consistently diagnose pump failure, rack and pinion issues, or multiple leak sources. GM customer service has told owners "nothing they can do." Earlier Acadia model years carried extended power steering warranties to 10 years and 150,000 miles, yet the 2016 model line does not.
Same GMC Acadia steering reports on nearby years: 2014 · 2015 · 2017 · 2018 · 2019
Failure modes owners describe
Power steering pump failure with sudden loss of assist
Power steering pump stops working or loses effectiveness suddenly, forcing owners to steer manually at low speeds or during turns. Owners report steering wheel becomes very stiff or locked and unresponsive. Loss of assist occurs without warning and creates immediate safety hazard.
When: 30,000 to 70,000 miles; some cases as early as 39,000 miles
Symptoms owners cite: Steering wheel becomes very stiff and difficult to turn at low speeds; Complete loss of power steering with no prior warning; Steering wheel locks during turns; Increased steering effort required at low RPM or stopped; Loud howling noise when turning wheel; Steering works at highway speeds but fails when slowing down
Repairs/costs cited: Pump replacement ($2,700 reported); complete steering system replacement ($6,300 reported); pump and rack and pinion replacement mentioned in multiple cases; some dealers charge $1,200–$4,100 for repairs
Recalls/TSBs owners mention: GM had extended warranty on earlier model years (2007–2011) for 10 years/150,000 miles; multiple TSBs issued for 2016 model; GM customer service told one owner 'nothing they can do'
Power steering fluid leaks from pump seals and hoses
Fluid leaks from the power steering pump, hoses, and rack causing gradual or rapid loss of fluid and system failure. Leaks originate from failing seals, cracked pumps, or damaged hoses. Multiple leak points reported on same vehicle.
When: 40,000 to 70,000 miles; pattern emerging around 50,000–58,000 miles
Symptoms owners cite: Fluid pooling or visible leaks on hoses and pump; Low power steering fluid level; Progressive stiffening of steering wheel over time; Multiple leak sources on same vehicle; Leaking power steering rack after pump issues
Repairs/costs cited: Hose replacement; pump seal repair; full rack and pinion replacement; gear assembly replacement ($3,000 reported); costs ranging $2,065–$4,100; owners report dealership repairs followed by additional leaks requiring return visits
Power steering hose chafing against adjacent components
Power steering hose or coolant line rubs through protective covering and contacts adjacent metal tubing or brackets, causing friction wear and eventual failure. Deteriorating grommets and brackets contribute to hose chafing. Some dealers manually bend or reposition hose as workaround rather than fix root cause.
When: At approximately 50,000 miles and 79,000 miles in cited examples
Symptoms owners cite: Fluid visible on hose where it passes through grommet; Small leak developing where hose runs near engine bracket; Power steering hose in contact with metal bracket; Protective rubber piece sliding down or failing
Repairs/costs cited: Technicians have been manually bending or moving PSF line to prevent rubbing as temporary measure; proper fix requires corrected bracket design or improved protective grommet
Recalls/TSBs owners mention: Dealer technician indicated GM is aware of chafing issue but has taken no corrective action; no TSB or recall issued
Steering rack and pinion internal failure
Steering gear/rack and pinion assembly fails internally, often with leaking fluid from internal seals. Causes total or near-total loss of steering assistance.
When: 39,000 to 70,000 miles
Symptoms owners cite: Steering becomes extremely difficult or impossible to turn; Internal fluid leak from rack assembly; Noise when making turns at low speeds; No prior warning of failure
Repairs/costs cited: Full rack and pinion replacement required; costs $1,200–$4,100 depending on parts and labor; one owner paid $3,000 for gear assembly alone
Synthesized from 26 NHTSA owner complaints — unverified consumer allegations, summarized for patterns. The verbatim filings appear below.
What owners are reporting 2 most recent
Power steering pump failure of front seal resulting in random failure of power steering at low speed, parking and turns at intersections etc leading to near collisions. No warning prior to failures. 58,000 miles
Vehicle taken in for faulty caliper, then told by dealership we needed to fix a leaking power steering line, we paid to fix both. Taken in today and told we have a leaking power steering gear. Safety issue $2,065. 58,200 miles. Could loose power steering due to multiple leaks. Have not lost steering yet. Must get fixed.
Had steering trouble with your 2016 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 steering problem on the 2016 GMC Acadia?
It's a documented issue but not catastrophic. 26 complaints have been filed. Repairs average $700 and most owners catch it before it causes a breakdown.
At what mileage does the steering typically fail?
Across the 17 complaints that reported odometer mileage, most steering failures cluster between 43,000 and 59,670 miles, with the median around 54,000. A quarter of owners report trouble before 43,000; a quarter make it past 59,670. 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 $700 for steering 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 steering?
No active recalls currently cover steering 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/2016/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.