Steering rack, gear or tie rod failure on the 2009 Lexus Rx350
When steering rack, gear or tie rod failure gets reported
Owners of the 2009 Lexus Rx350 report steering rack, gear or tie rod failure at a median of 55,000 miles. A quarter of the reports come in before 50,000 miles and a quarter after 60,000 miles, from 13 reports that carried an odometer reading.
A part like this is normally expected to survive 98,000 miles. It is the 1st most-reported problem on this model year.
The mileage distribution
The reported range runs from 35,000 miles at the tenth percentile to 70,000 miles at the ninetieth, a spread of 36,529 miles across the middle 80% of reports.
A window that narrow is the signature of a part that fails on its own schedule rather than on how the car is driven — which is usually a design or supplier problem rather than wear and tear.
15% of the dated reports were filed under 36,000 miles.
The whole distribution
| 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|
| 35,916 miles | 47,794 miles | 54,576 miles | 62,000 miles | 72,445 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 3 model years of this car. It shows up earliest on the 2009, at a median of 55,000 miles, and latest on the 2007 at 80,000 miles.
By volume the 2007 carries the most reports, with 21; the 2009 has 15. 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.
During vehicle service,was told the rack and pinion, power steering was leaking. After looking on line I discovered this a common problem with rx vehicles. Most with low mileage or age. Lexus apparently ordered no recall or upgraded their parts to fix the problem. *tr
I took my car in for regular service a couple of weeks ago and they recommenced several things, including replacing the power steering rack due to a leak. I got a second opinion before replacing it and they said it seemed very odd to have that at such low mileage. I therefore did lots of research to see if I was just unlucky and have found many people that own a lexus or toyota have had this problem at such low mileage. I have only ever taken my car to be serviced at lexus as they state needed, and therefore do not believe that this problem should be happening and think it's completely unacceptable I should be responsible for paying for this. If this is a safety concern (my car did not pass inspection due to it) how can lexus not recall the part after so many incidents? *tr
Took car in for service and they did a oil change and told me that the rack and pinion was leaking and needed repairs of 1667.00. Seems like a common malfunction and should be investigated. *tr
Also reported on the 2009 Lexus Rx350
Other body or interior problem
Other engine problem
Other steering problem
Other powertrain problem
Other electrical problem
Liftgate, tailgate or trunk failure
How far this goes
Complaints are voluntary, so 15 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 2009 Lexus Rx350?
Across 13 owner reports that included an odometer reading, half were filed by 55,000 miles. A quarter were filed before 50,000 miles and a quarter after 60,000 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 2009 Lexus Rx350?
15 reports have been filed with NHTSA, about 0.5 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