Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
full bulletin at NHTSA ↗2009 Mazda CX-9 suspension problems
moderate Owners of the 2009 Mazda CX-9 have filed 5 NHTSA complaints about the suspension at roughly $900 to repair (U.S. federal records, as of July 2026). Source: NHTSA Office of Defects Investigation. See suspension across all vehicles →
Complaints
5
Recalls
0
Avg fix
$900
| Model year | suspension complaints |
|---|---|
| 2007 CX-9 | 31 |
| 2008 CX-9 | 44 |
| 2009 CX-9 (this page) | 5 |
| 2010 CX-9 | 15 |
| 2011 CX-9 | 8 |
| 2012 CX-9 | 9 |
| 2013 CX-9 | 9 |
When does it fail?
Of the 5 suspension complaints filed for the 2009 Mazda CX-9, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 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
No new NHTSA suspension complaint has been filed on this vehicle in over 10 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 suspension 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.
Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
full bulletin at NHTSA ↗Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
full bulletin at NHTSA ↗Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines below to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
full bulletin at NHTSA ↗Some customers may complain of signs of oil on the struts or shock absorbers. In most cases the oil that is present is normal, and a result of the oil that remains on the shaft during the normal sweeping process of the shaft seal. Follow the inspection guidelines to determine if the condition is a result of the normal sweeping process or a failure of the shaft seal.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Tl* the contact owns a 2009 Mazda cx-9. While driving downhill at approximately 75 MPH, the brake pedal was depressed and the vehicle shook violently without warning. The vehicle was taken to a dealer where it was diagnosed that the ball joint and lower control arm separated and the rack and pinion failed and needed to be replaced. The manufacturer was not made aware of the failure and the…
Tl* the contact owns a 2009 Mazda cx-9. While driving approximately 20 MPH, there was an abnormal noise, the ball joints failed, and the vehicle suddenly stopped. The vehicle was towed to the dealer, but was not diagnosed or repaired. The contact received notification of NHTSA campaign number: 15v451000 (suspension); however, the part to do the repair was not available. The approximate failure…
I received a notice that water may enter the front suspension lower arm ball joint fittings during driving. Nothing has happened since receiving a notice in september 2015. They said parts are not available and they will notify me when they are available.
Had suspension trouble with your 2009 Mazda CX-9?
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 suspension problem on the 2009 Mazda CX-9?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $900 and most owners catch it before it causes a breakdown.
At what mileage does the suspension typically fail?
Based on the 5 complaints filed, suspension issues most often appear around 73,475 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $900 for suspension 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 suspension?
No active recalls currently cover suspension 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/2009/Mazda/CX-9.
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.