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2009 Mazda CX-9 Recalls, Problems & Maintenance

The 2009 Mazda CX-9 has no open NHTSA recalls. Owners report 5 recurring issue clusters, led by “Transfer case fracture or seizure.” Mazda's Skyactiv engines use unusually high compression ratios (13:1 to 16:1) and require strict adherence to oil intervals — extending oil life on a Skyactiv engine accelerates carbon buildup on intake valves. Mazda's published Schedule 1 (severe) covers most US driving conditions.

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No open recalls on file. NHTSA lists no unrepaired safety recalls for this year, make and model. A recall can be issued at any time, and a specific car can still have one open — check yours by VIN at nhtsa.gov/recalls.

Known issues & problems for this vehicle

What drivers and federal regulators have officially reported about the 2009 Mazda CX-9.

Reported to NHTSA

Transfer case fracture or seizure

POWER TRAIN

5 NHTSA complaints · 2015-09 → 2020-08

“WHILE PULLING A SMALL TRAILER THE CAR STOPPED UNABLE TO DRIVE THE CAR ACCORDING TO THE MECHANIC THE TRANSFER CASE SHATTERED INTO PIECES”
— Owner report, NHTSA ODI #11349310
“TL* THE CONTACT OWNS A 2009 MAZDA CX-9. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE LOST ACCELERATION AND A RATTLING NOISE WAS HEARD. THE CONTACT HAD TO COAST THE VEHICLE OVER TO THE ROAD SHOULDER TO A COMPLETE STOP”
— Owner report, NHTSA ODI #11112379
“THERE WAS FIRST A WHINING SOUND FROM THE TRANSMISSION ESPECIALLY DURING COASTING. IT PROGRESSIVELY GOT WORSE MAKING A METALLIC CLUNKING SOUND. DEALER SAYS IT IS A BAD TRANSFER CASE (PTU) WHICH IS NOT COVERED BY SSP92”
— Owner report, NHTSA ODI #10918582

Read all complaints on NHTSA →

Lower control arm and ball joint separation

SUSPENSION

6 NHTSA complaints · 2015-09 → 2024-04

“WHILE TRAVELING @ ABOUT 15 MPH MADE A RIGHT TURN UP A ONE WAY STREET, CAR MADE A LOUD THUMP SOUND AND LURCHED FORWARD. AT WHICH POINT THE CAR STOPPED AND I WAS NOT ABLE TO MOVE BACK OR FORWARD”
— Owner report, NHTSA ODI #10846219
“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”
— Owner report, NHTSA ODI #10778973
“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”
— Owner report, NHTSA ODI #10777770

Read all complaints on NHTSA →

Brake booster failure causing reduced braking

SERVICE BRAKES

15 NHTSA complaints · 2013-05 → 2020-07

“WAS DRIVING MY MAZDA CX-9 IN AFTERNOON TRAFFIC WHEN THE CAR IN FRONT OF ME APPLIED THEIR BRAKES TO STOP. I WENT TO APPLY MY BRAKES AND THE PEDAL WAS HARD AND NOTHING HAPPENED...THE CAR WOULD NOT STOP”
— Owner report, NHTSA ODI #10766605
“WHEN BREAKING I HEAR PULSATING SOUND AND VERY DIFFICULT TO BRING THE CAR TO A STOP. THE CAR SLOWS DOWN EVENTUALLY, BUT REQUIRE INTENSE PRESSURE TO BRING THE VEHICLE TO A COMPLETE STOP”
— Owner report, NHTSA ODI #10859915
“MAZDA CX9 BREAK BOOSTER DIAPHRAGM LEAKAGE. I RECENTLY PURCHASED A 2009 MAZDA CX9 THAT ALMOST GOT ME KILLED. I WAS DRIVING DOWN THE HIGHWAY WITH MY FAMILY IN THE CAR WHEN ALL OF A SUDDEN I HAD TO SLOW DOWN BECAUSE THE CAR AHEAD OF ME ABRUPTLY SLOWED DOWN”
— Owner report, NHTSA ODI #11071677

Read all complaints on NHTSA →

Takata airbag recall replacement part delay

AIR BAGS

14 NHTSA complaints · 2016-02 → 2019-03

“TAKATA RECALL - THIS IS RIDICULOUS. I CANNOT USE ALL 7 SEATS IN MY 7-PASSENGER VEHICLE AND THERE IS NO END IN SIGHT. PARTS ARE NOT AVAILABLE AND NOBODY CAN GIVE ANY REASONABLE ESTIMATES OF WHEN THEY WILL BE AVAILABLE”
— Owner report, NHTSA ODI #11006110
“TL* TAKATA RECALL. THE CONTACT OWNS A 2009 MAZDA CX-9. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V356000 (AIR BAGS) OVER A YEAR AGO. THE PARTS TO DO THE REPAIR WERE UNAVAILABLE”
— Owner report, NHTSA ODI #10993476
“TAKATA RECALL, ENTERING VIN IN THIS SITE DOES NOT RESULT IN A RECALL FOR AIR BAGS SHOWN. ENTERING ON THE MAZDA SITE INDICATES THERE IS A RECALL. HOWEVER IT ALSO SAYS SOLUTION IS NOT AVAILABLE”
— Owner report, NHTSA ODI #11019498

Read all complaints on NHTSA →

Engine stall from oil and coolant intermixing

ENGINE

3 NHTSA complaints · 2016-04 → 2021-09

“OIL AND COOLANT MIXED TOGETHER AND CAUSE ENGINE TO DIE WITH A SERVICE CODE OF P0016 WHICH MEANS PER THE DEALER THAT THE ENGINE NEEDS TO BE REPLACED”
— Owner report, NHTSA ODI #11301058
“SUV WOULD GO OFF IN THE MIDDLE OF THE ROAD OR HIGHWAY WHEN TRAVELING A HIGH SPEED. TOOK IT TO DEALER, THEY SAY THAT THEY FOUND OIL & WATER MIX IN THE ENGINE DUE TO WATER PUMP FAILURE, MULTIPLE SYMPTOMS WOULD OCCUR AS DUE TO THIS CONDITION”
— Owner report, NHTSA ODI #10862356
“The contact owns a 2009 Mazda CX9. The contact stated while driving at an undisclosed speed, the hot engine temperature warning light illuminated”
— Owner report, NHTSA ODI #11433885

Read all complaints on NHTSA →

Issues on other model years

Source: NHTSA Office of Defects Investigation (ODI). Complaint data refreshed Sep 20, 2026. Investigation data refreshed Sep 20, 2026.

We display NHTSA's record with attribution; we don't editorialize on what these complaints mean for any specific vehicle.

Raw data + downloads for this vehicle →

Essential maintenance

Critical for safety and preventing major damage

Engine Oil & Filter

Every 5,000 mi

Replace 0W-20 full-synthetic oil every 5,000 miles under Schedule 1. Schedule 2 (highway-only): 7,500 miles. Turbo engines: 5,000 miles regardless of schedule.

Estimated cost — typical U.S. ranges

Dealer

~$120–$160

Shop

~$85–$115

DIY

~$25–$55

Full synthetic costs more than conventional. 5-quart 0W-20 + filter is the typical bill.

Tire Rotation

Every 7,500 mi

Rotate tires every 7,500 miles; every 5,000 on AWD models, where the front-biased coupling wears tires unevenly.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Often free at the shop where you bought the tires — worth asking before paying.

Brake Inspection

Every 7,500 mi

Inspect brake pads, rotors, and parking brake at every oil change. Front pads typically last 35,000-50,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$85

Shop

~$60

DIY

Free

Most shops do this free as a courtesy with any service. Don't pay separately if you can avoid it.

Brake Fluid

Every 30,000 mi

Replace DOT 3 brake fluid every 30,000 miles or 36 months.

Estimated cost — typical U.S. ranges

Dealer

~$180–$200

Shop

~$125–$140

DIY

~$10–$25

DOT 3 or 4 — match the cap. Vacuum bleeders make this a one-person DIY.

Important maintenance

Keeps your vehicle running smoothly and efficiently

Engine Air Filter

Every 30,000 mi

Replace engine air filter every 30,000 miles. Skyactiv-G direct injection is sensitive to airflow restriction — inspect at every oil change.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

5-minute job on most cars; the airbox lid usually has clips, no tools needed.

Automatic Transmission Fluid

Every 60,000 mi

Replace ATF every 60,000 miles severe / 100,000 normal. Use Mazda FZ ATF — substitutes cause harsh 1-2 shifts and torque converter shudder.

Estimated cost — typical U.S. ranges

Dealer

~$330–$500

Shop

~$235–$355

DIY

~$60–$180

Some sealed transmissions have no dipstick — fill is precise and best left to a shop. Many drivers can still DIY drain-and-fill.

Spark Plugs

Every 60,000 mi

Iridium spark plugs every 60,000 miles on Skyactiv-G 2.0L and 2.5L; 45,000 miles on the 2.5L Turbo.

Estimated cost — typical U.S. ranges

Dealer

~$285–$390

Shop

~$200–$275

DIY

~$25–$100

Iridium plugs cost more but last 100k+ miles. V6/V8 access varies wildly — some are tough.

FL-22 Long-Life Coolant

Every 60,000 mi

Mazda FL-22 (yellow): first change at 120,000 miles or 10 years, then every 60,000. Do not substitute — silicate-free formula prevents water pump damage on Skyactiv engines.

Estimated cost — typical U.S. ranges

Dealer

~$285–$330

Shop

~$200–$235

DIY

~$25–$60

Use the manufacturer-specified coolant — wrong color/chemistry can damage the cooling system.

Transfer Case / Rear Diff (AWD)

Every 60,000 mi

On AWD models, replace transfer case fluid and rear differential fluid every 60,000 miles.

Estimated cost — typical U.S. ranges

Dealer

~$105–$140

Shop

~$75–$100

DIY

~$15–$40

AWD/4WD vehicles only. Easy drain-and-fill on most platforms.

Recommended maintenance

Extends the life of your vehicle and improves comfort

Cabin Air Filter

Every 15,000 mi

Replace cabin air filter every 15,000 miles. On most models it sits behind the glove box.

Estimated cost — typical U.S. ranges

Dealer

~$60–$95

Shop

~$45–$70

DIY

~$15–$40

Usually behind the glovebox. Shops charge labor for a 10-minute job — easy DIY win.

Fatal crash history & reported problems

Occupant deaths in fatal crashes (FARS)

8 crashes 1990–2024

How the 8 occupant deaths break down

8

driver deaths

0

passenger deaths

8

occupant deaths

Crash years covered: 1990–2024 This model year first appears in 2011 crashes. Older models have had more years on the road to appear in these crashes, so a higher count here does not by itself mean a vehicle is less safe.

FARS counts every occupant death in a fatal crash, whatever the cause — it does not mean the vehicle was at fault or defective. Counts are not adjusted for how many of each vehicle are on the road. How to read this number

FARS 2024 data is an annual report file. NHTSA revises these records when the final file is published, so this count can change.

Why we show driver deaths too

Every vehicle has exactly one driver seat, so driver deaths line up fairly when you compare one model to another. Occupant deaths include passengers, so a three row SUV can show a higher number than a two seat car simply because it carries more people.

Both figures are plain counts, not rates. A rate would need to know how many of each vehicle are on the road, and that registration data is not public, so we do not publish rates or scores of any kind.

IIHS publishes driver death rates using this same driver only idea, paired with a registered vehicle years denominator we do not have. Their rates and these counts answer different questions, so do not read either number here as a safety rating.

Owner-reported problem signals

Separate from the federal fatality data above: complaints owners filed with NHTSA about this year and model. These are reports of problems, unverified, and are counted here only as signals.

2

complaints mentioning a crash

0

complaints mentioning a fire

Reviewed known issues for this vehicle

Typical U.S. ranges. Actual quotes vary by shop, parts choice, and vehicle condition.

How we estimate: Dealer = OEM parts × 1.4 + labor × $165/hr. Shop = parts + labor × $115/hr. DIY = parts only.

This maintenance schedule for the 2009 Mazda CX-9 reflects Mazda's published service intervals. Your actual service needs may vary based on driving conditions, climate, and vehicle usage. Always consult your owner's manual for model-specific recommendations.

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