RoadVitals

2008 Mazda CX-9 Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
172
Latest Jun 12, 2024
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
17
Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
10

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2008 Mazda CX-9, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Suspension

Reports naming suspension components — springs, struts, shocks, control arms and related hardware.

55
reports

From owner reports, verbatim

Once you get to 70mph it starts shaking like if a the wheels will fall off.

NHTSA ID 11549308 · filed Oct 11, 2023

In 2017 had my front control arms replaced after the driver side CV arm came off of the axle due to a recall. 5 years later (about 30k miles) the same exact situation happened now with the passenger side making a left turn. Thankfully both times I didn’t cause an accident but came close due to the wheel coming off of the axle. Brought to dealership, they had to get approval from corporate for the repair. Got a call 6 days later saying corporate denied the goodwill repair due to being “normal wear and tear” and they told me to call corporate. Just called corporate and they say that the dealership makes that decision. I shouldn’t have to pay for something that was recalled, repaired, and happened again 100% in the same fashion. Normal wear and tear on a CV arm is not 20-30k miles.

NHTSA ID 11488595 · filed Oct 10, 2022
All 55 reports naming suspension

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

30
reports

From owner reports, verbatim

While driving the vehicle the brakes became hard to depress and a hissing came from my steering column, the car would not stop or respond to stop. I had to downshift to Neutral to get the speed slow enough to stop - and had passed through an intersection while in failure. I had also had symptoms I did not know at the time may be related which was at a stop at dunkins or a drive through at a stopped position - where the car would run rough the last few weeks. I thought the rough idle was gas related. I can no longer drive the vehicle and am told this is brake booster/pump issue / that other of the same parts in fords and other manufacturers are now extending customer sat programs like 13N02 because of faulty parts in the brake booster. the vehicle can be towed or seen for this problem. The vehicle has no existing coverage of the faulty brake booster. This is a car insured for my son [XXX][ to drive and It is a safety risk that this went while driving, i'm happy it was myself driving that day. Problem has been confirmed as a brake booster pump/booster failure by a service professional. No warning lights - just not able to stop the car when stepping on the brake. Thanks INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID 11593959 · filed Jun 12, 2024

The contact owns a 2008 Mazda CX-9. The contact stated while driving approximately 30 MPH, he noticed that the brakes felt loose and the braking distance had become extended while attempting to stop the vehicle. The contact stated that he heard a hissing sound while depressing the brake pedal. The contact stated no warning light was illuminated. The contact stated that the brakes failed completely while attempting to stop for a traffic signal and the vehicle rolled into the intersection. The contact had taken the vehicle to a local dealer, where it was diagnosed that the brake booster was malfunctionin,g and needed to be replaced. The vehicle had not been repaired. The manufacturer had not been informed of the failure. The failure mileage was approximately 115,000.

NHTSA ID 11477183 · filed Aug 2, 2022
All 30 reports naming brakes

Airbags

Reports naming the air-bag system — deployment behaviour, inflators, sensors and warning lights.

28
reports

From owner reports, verbatim

TL* THE CONTACT OWNED A 2008 MAZDA CX-9. THE CONTACT STATED WHILE DRIVING AT 45 MPH, THE CONTACT SAW A RACCOON AND VEERED OFF THE ROAD CAUSING THE CONTACT TO HIT A TREE. THE AIR BAGS DEPLOYED WITH EXTREME FORCE CAUSING THE CONTACT TO HAVE A MIGRAINE. A POLICE REPORT WAS FILED. THE CONTACT SUSTAINED A CHEST CONTUSION AND RECEIVED MEDICAL ATTENTION. THE VEHICLE WAS NOT DRIVABLE AND WAS TOWED TO A JUNKYARD. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE CONTACT WAS RELATING THE FAILURE TO NHTSA CAMPAIGN NUMBER: 20V035000 (AIR BAGS). OAK LAWN MAZDA (6750 W 95TH ST, OAK LAWN, IL 60453) WAS CONTACTED AND INFORMED THE CONTACT THAT THE RECALL WAS ALREADY PERFORMED PRIOR TO THE CONTACT OWNING THE VEHICLE AND THAT THEY COULD NOT FURTHER ASSIST. THE MANUFACTURER HAD BEEN INFORMED OF FAILURE AND INFORMED THE CONTACT THAT THEY COULD NOT ASSIST. THE FAILURE MILEAGE WAS 93,000.

NHTSA ID 11402646 · filed Mar 12, 2021

TL* THE CONTACT OWNS A 2008 MAZDA CX-9. THE CONTACT RECEIVED NHTSA CAMPAIGN NUMBER 17V457000 (AIR BAGS). THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT WAS ILLUMINATED. ADDITIONALLY, THE BATTERY BECAME INOPERABLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE BATTERY WAS REPLACED. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED THE LOCAL DEALER GREINER FORD OF CASPER 3333 CY AVE, CASPER, WY 82604 (307) 462-4090 WHO STATED THAT THE REMEDY PARTS WERE NOT AVAILABLE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS CONTACTED HOWEVER, NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 145,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID 11307700 · filed Feb 7, 2020
All 28 reports naming airbags

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

26
reports

From owner reports, verbatim

Once you get to 70mph it starts shaking like if a the wheels will fall off.

NHTSA ID 11549308 · filed Oct 11, 2023

KNOCK OR HARD SHIFT IN PARK AS WELL AS IN REVERSE KEEPS BURNING OIL HAD EVERYTHING FLUSHED REPLACED ALL FLUIDS VALVE COVER GASKETS SPARK PLUGS ETC

NHTSA ID 11406364 · filed Apr 4, 2021
All 26 reports naming powertrain (other)

Steering

Reports naming the steering system — racks, columns, power-steering assist and steering linkage.

19
reports

From owner reports, verbatim

Once you get to 70mph it starts shaking like if a the wheels will fall off.

NHTSA ID 11549308 · filed Oct 11, 2023

MY CONTROL ARMS BEARINGS AND JOINTS ARE RUSTED AND THE DEALERSHIP SAYS THEY AREN'T COVERED THEY WERE FIXED 5 YEARS AGO AND THEY ARE DEFINITELY SEPARATED AND HAZARDOUS

NHTSA ID 11400299 · filed Mar 11, 2021
All 19 reports naming steering

Other / unspecified

Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.

18
reports

From owner reports, verbatim

It acting like it doesn’t want to hold air. I have to air up my wheels every morning. It’s only the back wheels.

NHTSA ID 11549309 · filed Oct 11, 2023

LOST CONTROL BRAKES FAILING AND STEERING AND WHEEL LC ABOUT TO FALL OFF DEALERSHIPS SAYING RECALL WAS COMPLETED BUT IT'S DEFINITELY NOT

NHTSA ID 11400297 · filed Mar 11, 2021
All 18 reports naming other / unspecified

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

13
reports

From owner reports, verbatim

SOMETIMES THE BLIND SIGNAL WORKS SOMETIMES IT DOESN'T SOMETIMES IT BLINKS ON THE SCREEN AND WHEN SWITCHING LANES, BRAKES KEEPS GOING OUT BALL JOINT KEEPS POPPING HARD SHIFT OR KNOCK IN REVERSE AND WHEN PLACED IN PARK HAD REPAIR DONE SEVERAL TIMES. DVD WIRES KEEPS GOING OUT/SHORTAGE M. SOMETIMES SEAT BELT BLINKER WORK AND SOMETIMES IT DOESN'T

NHTSA ID 11406363 · filed Apr 4, 2021

TL* THE CONTACT OWNS A 2008 MAZDA CX-9. THE CONTACT RECEIVED NHTSA CAMPAIGN NUMBER 17V457000 (AIR BAGS). THE CONTACT STATED THAT THE AIR BAG WARNING LIGHT WAS ILLUMINATED. ADDITIONALLY, THE BATTERY BECAME INOPERABLE. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE THE BATTERY WAS REPLACED. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED THE LOCAL DEALER GREINER FORD OF CASPER 3333 CY AVE, CASPER, WY 82604 (307) 462-4090 WHO STATED THAT THE REMEDY PARTS WERE NOT AVAILABLE. THE VEHICLE WAS NOT DIAGNOSED NOR REPAIRED. THE MANUFACTURER WAS CONTACTED HOWEVER, NO FURTHER ASSISTANCE WAS PROVIDED. THE FAILURE MILEAGE WAS 145,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ID 11307700 · filed Feb 7, 2020
All 13 reports naming electrical

Interior & seats

Reports naming seats, latches, locks, linkages and interior fittings.

7
reports

From owner reports, verbatim

TL* THE CONTACT OWNS A 2008 MAZDA CX-9. WHILE DRIVING 60 MPH, THE DRIVER'S SEAT UNINTENTIONALLY MOVED TOWARDS THE STEERING WHEEL. IT WAS DIFFICULT FOR THE CONTACT TO EXIT THE VEHICLE DUE TO HOW CLOSE THE SEAT MOVED TOWARDS THE STEERING WHEEL. THE CONTACT ALSO MENTIONED THAT THE FAILURE OCCURRED PERIODICALLY. MAZDA OF ORLAND PARK (8910 W 159TH ST, ORLAND PARK, IL 60462, (708) 444-3200) WAS CONTACTED. THE CONTACT WAS INFORMED THAT THE VEHICLE WAS REPAIRED PER NHTSA CAMPAIGN NUMBER: 09V066000 (ELECTRICAL SYSTEM) IN 2009. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 144,000.

NHTSA ID 11141899 · filed Oct 22, 2018

THE DRIVER'S SIDE POWER SEAT SPONTANEOUSLY MOVED ALL THE WAY FORWARD, AND PINNED ME AGAINST THE STEERING WHEEL. FORTUNATELY, I WAS PARKED AND NOT DRIVING. I TRIED MOVING THE SEAT ADJUSTMENT SWITCH MANUALLY, BUT THE SEAT CONTINUED TO MOVE FORWARD. THE VEHICLE IS NOW AT THE DEALERSHIP, AND THE TELL ME THAT THEY HAVE ALREADY CORRECTED A RECALL (ABOUT 8 YEARS AGO) WHICH DEALS WITH SIMILAR PROBLEMS. AND THUS THEY CLAIM THE RECALL IS "COMPLETE" AND THEY NO LONGER HAVE TO CORRECT IT.

NHTSA ID 11123792 · filed Aug 31, 2018

Too few reports in this category for a page of its own — they appear in the full complaint list.

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

7
reports

From owner reports, verbatim

KNOCK OR HARD SHIFT IN PARK AS WELL AS IN REVERSE KEEPS BURNING OIL HAD EVERYTHING FLUSHED REPLACED ALL FLUIDS VALVE COVER GASKETS SPARK PLUGS ETC

NHTSA ID 11406364 · filed Apr 4, 2021

MAZDA CX-9 PROBLEM 130,000 MILES-ON NOVEMBER 25TH, AS I WAS DROPPING MY CHILDREN TO THEIR SCHOOLS, THE DEFROST SUDDENLY STOPS WORKING. I TRY TO TURN THE FAN/HEATER ALL THE WAY, BUT TO NO AVAIL. I HAD TO USE A TOWEL TO WIPE THE WINDSHIELD. AS I PULLED INTO A CURVED SIDE, THE ENGINE TURNS OFF, I TURNED THE IGNITION KEY TO OFF, THEN STARTS THE ENGINE AGAIN, AND THE ENGINE LIGHT COMES ON. I PULLED OUT AND DROVE ABOUT SIX HUNDRED FEET AND PARKED. I CALL A MECHANIC AND I DROVE IT AGAIN FOR A MILE TO THE SHOP. HE OPENS UP THE HOOD AND POUR IN SOME COOLANT AND ALL THE COOLANT WERE ON THE FLOOR. HE IMMEDIATELY TOLD ME THAT COOLANT LEAKS AND OIL IS PROBABLY MIXED AND CAUSES THE ENGINE FAILURE. HE TOLD ME I HAD TO CHANGE THE ENGINE, BECAUSE FIXING IT WILL COST ME OVER TEN GRAND. I DROVE IT HOME, THEN THE FOLLOWING MORNING, I TOOK TO A DIFFERENT SHOP, THEY DID THE DIAGNOSIS AND RELATE THE SAME STORY THAT CHECK CODES SHOWED THREE CODES: P0016, CRANK POSITION SENSOR CORRELATION BANK ONE SENSOR A. 1285 CYLINDER HEAD OVER TEMPERATURE, 1299 CYLINDER HEAD TEMP PROTECTION. THE CODES INDICATE AN OVERHEAT SCENARIO THAT RESULTED IN ENGINE SHUT DOWN. THEY CHECK OIL AND FOUND MILKY SUBSTANCE INSTEAD OF OIL. PRESSURE CHECK FOR COOLANT LEAK PUSHED MILKY OIL OUT OF DIPSTICK TUBE. HEAD GASKET HAS FAILED DUE TO OVERHEATING AND THE COOLANT HAS CONTAMINATED THE ENGINE OIL. THEIR RECOMMENDATION IS TO REPLACE THE ENGINE, ASSEMBLY AND FLUSH COOLING SYSTEM. THEIR TOTAL ESTIMATE IS $10,900. I CAN'T AFFORD TO PAY FOR THIS SERVICE REPAIR. I CANNOT EVEN SPEND THAT MUCH OF MONEY ON ANOTHER CAR. WE BOUGHT THIS CAR THINKING THAT IT WILL TAKE US FOR SOME TIME BEFORE WE'LL NEED ANOTHER CAR. I CONTACTED MAZDA CUSTOMER EXPERIENCE, AND THEIR RESPONSE WAS, "WISH THERE WERE NEVER PART FAILURES", NOW, I'M STUCK. SO THIS IS MY STORY!!! SAFETY ISSUES: SUDDEN ENGINE SHUT OFF, DEFROST MALFUNCTION AND STEERING WHEEL.

NHTSA ID 11289195 · filed Dec 15, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Driver assistance

Reports naming forward-collision avoidance, lane keeping, back-over prevention, cruise control and related electronic driver-assistance systems.

6
reports

From owner reports, verbatim

SOMETIMES THE BLIND SIGNAL WORKS SOMETIMES IT DOESN'T SOMETIMES IT BLINKS ON THE SCREEN AND WHEN SWITCHING LANES, BRAKES KEEPS GOING OUT BALL JOINT KEEPS POPPING HARD SHIFT OR KNOCK IN REVERSE AND WHEN PLACED IN PARK HAD REPAIR DONE SEVERAL TIMES. DVD WIRES KEEPS GOING OUT/SHORTAGE M. SOMETIMES SEAT BELT BLINKER WORK AND SOMETIMES IT DOESN'T

NHTSA ID 11406363 · filed Apr 4, 2021

WE BOUGHT OUR CAR ON A DEALER IN MESA, IT WAS STATIONARY. AFTER WE BOUGHT IT WE NOTICED LOCKS MOVING ON THEIR OWN WINDOWS ROLLING DOWN SO DID THE MOON ROOF. WHEN WE TURN OFF THE ENGINE THE A/C TURNS ON EVEN THOUGH THE CAR IS TURNED OFF. THE CAR LOCKS ITSELF LEAVING US OUTSIDE. WE HAD PROBLEMS WITH THE TIRES THEY KEEP LOOSING UP MAKING THE CAR VIBRATE AND MAKING SOUNDS LIKE BANGING ON THE TIRES

NHTSA ID 11207358 · filed May 13, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Visibility

Reports naming windshields, glass, wipers, defrosters and mirrors.

3
reports

From owner reports, verbatim

MAZDA CX-9 PROBLEM 130,000 MILES-ON NOVEMBER 25TH, AS I WAS DROPPING MY CHILDREN TO THEIR SCHOOLS, THE DEFROST SUDDENLY STOPS WORKING. I TRY TO TURN THE FAN/HEATER ALL THE WAY, BUT TO NO AVAIL. I HAD TO USE A TOWEL TO WIPE THE WINDSHIELD. AS I PULLED INTO A CURVED SIDE, THE ENGINE TURNS OFF, I TURNED THE IGNITION KEY TO OFF, THEN STARTS THE ENGINE AGAIN, AND THE ENGINE LIGHT COMES ON. I PULLED OUT AND DROVE ABOUT SIX HUNDRED FEET AND PARKED. I CALL A MECHANIC AND I DROVE IT AGAIN FOR A MILE TO THE SHOP. HE OPENS UP THE HOOD AND POUR IN SOME COOLANT AND ALL THE COOLANT WERE ON THE FLOOR. HE IMMEDIATELY TOLD ME THAT COOLANT LEAKS AND OIL IS PROBABLY MIXED AND CAUSES THE ENGINE FAILURE. HE TOLD ME I HAD TO CHANGE THE ENGINE, BECAUSE FIXING IT WILL COST ME OVER TEN GRAND. I DROVE IT HOME, THEN THE FOLLOWING MORNING, I TOOK TO A DIFFERENT SHOP, THEY DID THE DIAGNOSIS AND RELATE THE SAME STORY THAT CHECK CODES SHOWED THREE CODES: P0016, CRANK POSITION SENSOR CORRELATION BANK ONE SENSOR A. 1285 CYLINDER HEAD OVER TEMPERATURE, 1299 CYLINDER HEAD TEMP PROTECTION. THE CODES INDICATE AN OVERHEAT SCENARIO THAT RESULTED IN ENGINE SHUT DOWN. THEY CHECK OIL AND FOUND MILKY SUBSTANCE INSTEAD OF OIL. PRESSURE CHECK FOR COOLANT LEAK PUSHED MILKY OIL OUT OF DIPSTICK TUBE. HEAD GASKET HAS FAILED DUE TO OVERHEATING AND THE COOLANT HAS CONTAMINATED THE ENGINE OIL. THEIR RECOMMENDATION IS TO REPLACE THE ENGINE, ASSEMBLY AND FLUSH COOLING SYSTEM. THEIR TOTAL ESTIMATE IS $10,900. I CAN'T AFFORD TO PAY FOR THIS SERVICE REPAIR. I CANNOT EVEN SPEND THAT MUCH OF MONEY ON ANOTHER CAR. WE BOUGHT THIS CAR THINKING THAT IT WILL TAKE US FOR SOME TIME BEFORE WE'LL NEED ANOTHER CAR. I CONTACTED MAZDA CUSTOMER EXPERIENCE, AND THEIR RESPONSE WAS, "WISH THERE WERE NEVER PART FAILURES", NOW, I'M STUCK. SO THIS IS MY STORY!!! SAFETY ISSUES: SUDDEN ENGINE SHUT OFF, DEFROST MALFUNCTION AND STEERING WHEEL.

NHTSA ID 11289195 · filed Dec 15, 2019

(SUN ROOF GLASS EXPLODED) AT 400PM WE WERE TRAVELING NORTH ON US65 AT 65 MPH, THE SUN ROOF WAS IN THE TILTED OPEN POSITION, THE NEAREST TRAFFIC TO OUR LOCATION WAS 500 YARDS AHEAD OF US. THE MUSIC WAS PLAYING AND THE FOUR VEHICLE OCCUPANTS WERE RELAXED AND TALKING. SUDDENLY WITH A VERY LOUD SOUND THE SUN ROOF GLASS EXPLODED/SHATTERED COVERING ALL OCCUPANTS IN GLASS SHARDS. THE DRIVER MAINTAINED COMPLETE CONTROL ON THE VEHICLE AND MADE AN IMMEDIATE EMERGENCY STOP. THE PASSENGER FRONT OCCUPANT INJURED HER NECK DURING THE VIOLENT REACTION FROM THE SOUND/EXPLOSION AND COVERING IN GLASS AND WILL NEED TREATMENT. NOTHING STRUCK THE VEHICLE!!! THIS FAILURE WAS CAUSED BY THE SUN ROOF AND NEEDS TO BE ADDRESSED BY MAZDA AND THE GLASS SUPPLIER. THE TYPE OF FAILURE COULD VERY WELL CAUSE A SERIOUS ACCIDENT AND COULD CAUSE LOSS OF LIFE. THE SUN ROOF GLASS SHOULD BE RE-ENFORCED TO PREVENT GLASS FROM SPRAYING ON THE VEHICLES OCCUPANTS. WE HAVE CONTACTED MAZDA NORTH AMERICA AND WERE OFFERED A 250.00 GOOD WILL AMOUNT, MONEY WAS NEVER OUR ISSUE OF CONCERN, THIS IS A VERY SERIOUS SAFETY ISSUE AND THE ROOT CAUSE SHOULD BE FOUND AND CORRECTED BEFORE SOMEONE GETS SERIOUSLY INJURED. THIS TYPE OF FAILURE IS NOTED IN MANY ACCOUNTS ON THE INTERNET AND NEEDS TO ADDRESSED.

NHTSA ID 10509250 · filed Apr 23, 2013

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

2
reports

From owner reports, verbatim

LETTER TO MAZDA OF AMERICA ENGINEERING 10/2/2018 SUBJECT: SHARED DESIGN FLAW OF 2008 CX-9 AND 2008 FORD EDGE STAMPED STEEL FUEL TANK (FORD HAS RECALLED THIS TANK) MAZDA ENGINEERING, I HAVE LOOKED AT TWO DESIGNS TO SECURE TANKS. 1) TANK IS BOLTED AND ONE WHERE THE TANK IS BOLTED DIRECTLY TO A FRAME THROUGH THE SEALING FLANGE. (CURRENT CASE WITH CX-9 AND FORD EDGE -2008) 2) TANK IS SECURED USING TRADITIONAL TANK STRAPS THE FORD EDGE TANK (THE SAME AS CX-9) WAS RECALLED IN CASE 1 BECAUSE THE BOLTED FLANGE IS PART OF THE TANK. AFTER REPEATED FLEXING OF FRAME AND TANK WITH THE ADDITION OF CORROSION IN NORTHERN STATES, THE FIXED FLANGE RUPTURES THE THANK CAUSING SUDDEN FUEL LOSS ON A TANK THAT DOES NOT APPEAR TO BE CORRODED. THIS IS OF COURSE A LARGE LIABILITY AS BRITTLE FATIGUE FRACTURE IS BY NATURE SUDDEN. THERE IS NO WARNING FOR THE CUSTOMER. THEY PULL INTO THEIR GARAGE AT HOME OR WORK AND ARE A SUDDEN HAZARD. IN CASE 2, A TRADITION METHOD OF SECURING A TANK, THE LOAD IS DISTRIBUTED ON A STRAP. SHOULD THE STRAP FRACTURE THERE IS NO SUDDEN FUEL LOSS. THE STRAP CAN BE REPLACED. THE TANK STAYS SEALED. THIS DESIGN FLAW HAS RESULTED IN A SERIOUS ENOUGH ISSUE THAT FORD HAS RECALLED OVER 200,000 VEHICLES IDENTICAL TO THE CX-9 TO ADDRESS THIS EXACT ISSUE. FORD AND MAZDA SHARE NOT ONLY THE SAME DESIGN, BUT THE SAME TANK MANUFACTURER AND CHASSIS. THE MAZDA ISSUE IS MORE SERIOUS AS COATED TANKS DO NOT SHOW ANY WARNING SIGNS OF CORROSION. WHERE SALT AND BRINE ARE USED IN NORTHERN US DURING THE WINTER THESE TYPES OF COATINGS DO NOT REDUCE CORROSION. THEREFORE, THE NATURE OF THE TANK RUPTURE IS SUDDEN FATIGUE FAILURE WITH NO WARNING AND POSES A CERTAIN RISK OF FIRE IN AN ENCLOSURE SUCH AS A HOME GARAGE. FAILURE WAS - SUDDEN, UNABLE TO BE DETECTED AND LIFE THREATENING

NHTSA ID 11140819 · filed Oct 17, 2018

TL* THE CONTACT OWNS A 2008 MAZDA CX-9. THE CONTACT STATED THAT THERE WAS A STRONG ODOR OF FUEL WHEN THE HEAT/COOL SYSTEM WAS ACTIVATED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC, WHO DIAGNOSED THAT THE FUEL RAIL WAS LEAKING. THE VEHICLE WAS NOT REPAIRED DUE TO THE PART NOT BEING AVAILABLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 76,000.

NHTSA ID 10668388 · filed Dec 26, 2014

Too few reports in this category for a page of its own — they appear in the full complaint list.

Seat belts

Reports naming seat belts, buckles, retractors and pretensioners.

2
reports

From owner reports, verbatim

I HAD A RECALL NOTICE ABOUT POTENTIAL DEFECT ON THE AIRBAG SYSTEM THAT CAN CAUSE PERSONAL INJURY ON MY MAZDA C-X 9 2008. I CONTACTED THE DEALER CLOSE TO MY RESIDENT AS PRESCRIBED ON THE RECALL NOTICE. THEY SAID THEY WILL GET BACK WITH ME AS SOON AS THE PARTS ARE AVAILABLE. IT HAS BEEN MORE THAN 3 MONTHS AND I HAVE NOT GOT ANY RESPONSE FROM THE DEALER. I WILL BE VERY GRATEFUL TO GET A FOLLOW UP TO SEE THAT THIS MY CAR IS FIXED. THANKS VERY MUCH IN ADVANCE.

NHTSA ID 10927773 · filed Nov 24, 2016

THE FRONT PASSENGER AND DRIVER SEAT HEAD RESTS BEND TOO MUCH FORWARD CAUSING NECK PAIN. THIS BEND CANNOT BE ADJUSTED. MAZDA SAYS THAT THE HEADREST SPECIFICATIONS WERE DICTATED TO THEM BY GOVERNMENT STANDARDS. HOWEVER, NONE OF THE OTHER VEHICLES I HAVE SEEN HAS THIS MUCH BEND. IF THE VEHICLE HEAD REST SPECIFICATIONS WERE DICTATED TO THEM BY THE GOVERNMENT THEN THERE IS SOME SERIOUS ERRORS IN GOVERNMENT SPECS SINCE THIS UNUSUAL BEND (HAVEN'T SEEN THIS MUCH BEND ON ANY OTHER VEHICLE) IS CAUSING NECK PAIN. NOTE THAT I AM 6' TALL AND WEIGH 180 LBS AND WILL FALL IN TO AVERAGE CONSUMER PHYSICAL CATEGORY AND THERE IS NOTHING UNUSUAL ABOUT ME. I DID NOT HAVE ANY NECK PAIN PRIOR TO PURCHASE OF THIS VEHICLE. *TR

NHTSA ID 10242789 · filed Sep 18, 2008

Too few reports in this category for a page of its own — they appear in the full complaint list.

Transmission

Reports naming the automatic or manual transmission, including shifting behaviour, shudder, slipping and transmission control modules.

2
reports

From owner reports, verbatim

TL* THE CONTACT OWNS A 2008 MAZDA CX9. THE CONTACT STATED WHILE DRIVING APPROXIMATELY 10 MPH, AN ABNORMAL NOISE EMITTED FROM THE VEHICLE WHILE APPLYING THE BRAKES. THE FAILURE RECURRED AND THE VEHICLE STALLED. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO AN INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING. THE TECHNICIAN DIAGNOSED THAT THE TRANSMISSION NEEDED TO BE REPLACED. THE VEHICLE HAS NOT BEEN REPAIRED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 142,000.

NHTSA ID 10653804 · filed Nov 10, 2014

MY NEW 2008 MAZDA CX-9 AWD HAS GAS PEDAL RESONANT VIBRATING ISSUE WHEN ENGINE IS RIGHT AROUND 2000 RPM WHEN I PUSH GAS PEDAL TO ACCELERATE ESPECIALLY WHEN GOING UPHILL OR TURNING. *TR

NHTSA ID 10265359 · filed Apr 14, 2009

Too few reports in this category for a page of its own — they appear in the full complaint list.

Tires & wheels

Reports naming tires, wheels, hubs, or the tire-pressure monitoring system.

1
report

From owner reports, verbatim

TL*THE CONTACT OWNS A 2008 MAZDA CX-9. WHEN THE WEATHER IS COLD THE FRONT PASSENGER RIGHT TIRE LOST PRESSURE AND INCREASED FROM 32 PSI TO 25 PSI. HE REPLACED THE TIRE ON ONE OCCASION AND THAT DID NOT CORRECT THE FAILURE. AIR WAS ADDED TO THE TIRE ON SEVERAL OCCASIONS BY A LOCAL REPAIR FACILITY AND ON TWO OCCASIONS BY THE DEALER. THE DEALER STATED THAT THE TIRE PRESSURE SENSOR VALVE MONITOR WAS DEFECTIVE AND HAS CAUSED THE TIRE TO LOSE PRESSURE. THE ESTIMATED COST TO REPLACE THE TIRE PRESSURE SENSOR VALVE MONITOR WAS $300.00. HE CONTACTED THE MANUFACTURER AND FILED REPORT NUMBER 127407340. THE MANUFACTURER STATED THAT THEY WOULD NOT ASSIST WITH THE COST TO REPLACE THE TIRE SENSOR MONITOR. THE FAILURE MILEAGE WAS 16,000 AND THE CURRENT MILEAGE 36,000.

NHTSA ID 10299105 · filed Jan 12, 2010

Too few reports in this category for a page of its own — they appear in the full complaint list.

Heating & air conditioning

Reports naming the heating, ventilation and air-conditioning system.

1
report

From owner reports, verbatim

To whom it concern. Leaking water in my passenger seat, at the beginning we though that was the blower motor, we change it, but then got wet again and it went bad again, but I found out that was a malfunction factory the problem with the air conditioning compressor. I took my car to 3 different shops, where the first two, drained my A/C I give up because I was paying money for nothing. I took the car to Mazda dealer, They told me that my car have a malfunction Factory and was about the a/c system. I talk to Mazda and ask them to replace it, because this was a factory problem. They refuse to do it. I found a recall for Mazda cx5 with the same problem but not my car that is Mazda cx9. Thank you [XXX] INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).

NHTSA ID 11449036 · filed Jan 26, 2022

Too few reports in this category for a page of its own — they appear in the full complaint list.

Body & structure

Reports naming the vehicle structure, frame, body panels, doors, hood and trim.

1
report

From owner reports, verbatim

RETURNED TO VEHICLE AFTER WORK (5PM) AND SAW THAT BOTH SIDE MIRRORS WERE DAMAGED. A CLOSER LOOK REVEALED THAT THE PAINTED PORTION TO BOTH SIDE MIRROR HOUSING UNITS HAD MELTED. IT APPEARED THE PLASTIC HAD MELTED FROM INTERNAL HEAT. THERE WERE NO BURN MARKS ON THE OUTER PORTION OF THE UNIT. THE PLASTIC HAD SHRUNK TO A SHRIVELED AND WRINKLED APPEARANCE. BROUGHT THE VEHICLE TO A MAZDA DEALER (ESCONDIDO, CALIFORNIA). THE VEHICLE WAS INSPECTED AND NOTHING WAS FOUND TO BE WRONG. I WAS TOLD THERE WAS NO ELECTRICAL PROBLEM AND THE MELTED SIDE MIRROR UNITS WERE MELTED FROM THE SUN. I DO NOT LIVE IN ARIZONA, NEW MEXICO, OR SOUTHERN NEVADA WHERE TEMPERATURES REACH ABOVE 105 DEGREES CONSISTENTLY. TEMPERATURES TYPICALLY REACH 80-95 DEGREES. *TR

NHTSA ID 10649987 · filed Oct 25, 2014

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

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