Steering rack, gear or tie rod failure on the 2011 GMC Acadia
When steering rack, gear or tie rod failure gets reported
Owners of the 2011 GMC Acadia report steering rack, gear or tie rod failure at a median of 60,000 miles. A quarter of the reports come in before 45,000 miles and a quarter after 70,000 miles, from 16 reports that carried an odometer reading.
A part like this is normally expected to survive 98,000 miles. It is the 6th most-reported problem on this model year.
The mileage distribution
The reported range runs from 40,000 miles at the tenth percentile to 85,000 miles at the ninetieth, a spread of 45,000 miles across the middle 80% of reports.
Reports bunched into a band this tight usually mean the component has a life of its own: it goes at roughly the same mileage regardless of who owns it.
6% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 42,000 miles | 47,418 miles | 57,931 miles | 68,900 miles | 87,000 miles |
Read the 10th percentile as “one report in ten arrived this early”. Exact figures are shown in this table because it is the table of record; everywhere else on the site they are rounded to the precision the sample can carry.
What a percentile can and cannot tell you here
These five numbers describe the readings owners gave, in order. The median is the middle one: half the reports arrived below it. The 10th and 90th are the edges of the bulk of the distribution, and the distance between them is the part worth reading. A tight spread — say 70,000 to 95,000 miles — points at something that wears out on a schedule, and the schedule is knowable. A wide one, 20,000 to 190,000, points at a fault that hits some cars and never troubles others, which means the mileage on the listing in front of you tells you very little about your odds.
What these figures are not is a survival curve. Every reading here comes from a car whose owner filed a complaint, so the sample contains only failures: it cannot say what share of the fleet made it past 150,000 miles untouched, because those owners had nothing to report. Nor is the mileage the moment of failure — it is the odometer reading as recalled at the time of filing, which may be weeks later and is sometimes rounded to the nearest ten thousand by the person typing it.
Percentiles are shown at all only once 8 readings exist for the vehicle and mode. Below that the middle of a handful of numbers is noise wearing a decimal point, so the figures are withheld rather than dressed up.
What happens, and what it costs
Putting it right typically runs $700–$2,600 at an independent US shop. That range is an editorial estimate held in this site's failure-mode catalogue, not a figure from NHTSA, and it is a repair cost rather than a diagnosis cost.
The same failure on other years
The same failure is reported on 9 model years of this car. It shows up earliest on the 2007, at a median of 35,000 miles, and latest on the 2012 at 75,000 miles.
By volume the 2009 carries the most reports, with 42; the 2011 has 18. A mode that appears across most years of a model is usually a design choice rather than a bad batch.
If one year stands out to the left, that is the year to avoid; if the whole line sits at a similar mileage, this is wear rather than a defect in one production run.
Tick median reported mileage Solid middle half of reports Faint 10th to 90th percentile Colour how bad the failure is when it happens
What owners wrote
Verbatim from NHTSA complaint narratives, trimmed for length. The mileage is the one the owner gave.
Tl* the contact owns a 2011 gmc acadia. The contact stated that while driving at 45 MPH, the steering wheel seized and excessive force on the steering wheel was required. The contact stated that power steering fluid was leaking. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 55,000. ...updated 02/11/15 *bf the consumer stated a gm technician vehicle and noted fluid leak from the power steering pump and power steering gear. Gm offered to pay for the pump repair but, not the gear leak repair. Updated 06/9/2015 *js
During check for other warranty work, gmc dealer informed me that the power steering fluid was leaking. The repair was not covered under warranty. All the power steering fluid had leaked out of the internal gasket because the gasket failed and the power steering fluid need to be replaced with new fluid, and replace the steering gear. *tr
Vehicle makes a high pitch whining noise when starting and at low speeds. Steering wheel rubs when turning either direction. I complained about the noise on several occasions, service tech said was normal. Now they state that the power steering is leaking and there is a power steering gear leak. To fix it will cost $1600 plus dollars. Seems to be an issue across the board with these vehicles. Gmc will replace the steering pump under a recall, but not the gear rack which is a more expensive fix. How many complaints will it take for them to fix this issue! This can cause power steering to fail and is unsafe! *tr
Also reported on the 2011 GMC Acadia
Other engine problem
Other electrical problem
Other steering problem
Other powertrain problem
Headlight failure or clouding
Timing chain, belt or tensioner failure
How far this goes
Complaints are voluntary, so 18 is a floor and not a count of affected cars. Mileages are typed in by owners and cluster on round numbers. And the mode itself is assigned by software reading the complaint text, which is reliable in bulk and fallible one report at a time.
Questions this page answers
At what mileage does steering rack, gear or tie rod failure happen on the 2011 GMC Acadia?
Across 16 owner reports that included an odometer reading, half were filed by 60,000 miles. A quarter were filed before 45,000 miles and a quarter after 70,000 miles. These are the mileages owners reported when they complained, not a prediction for any individual car.
How common is steering rack, gear or tie rod failure on the 2011 GMC Acadia?
18 reports have been filed with NHTSA, about 0.3 per 1,000 vehicles. Complaints are voluntary, so this is a floor rather than a count of affected cars.
What this is and is not. These are the mileages at which owners chose to complain to a federal agency, which is not the same as the mileage at which the part fails on every car. It skews toward failures that happened outside warranty, cost real money, or frightened someone. It is still the only public dataset that carries failure mileage at all, and the shape of a few hundred readings is informative even when a single one is not. Methodology · JSON · this failure on other cars
Source Owner complaints and recall records published by the US National Highway Traffic Safety Administration, model years 1996–2027 Figures rebuilt Published by AtWhatMileage How every figure is computed