| 1 | 0 | 3 | 4 | 3 | 4 |
2011 Mazda CX-9 repairs by problem area
Engine (18%)
Transmission and Drivetrain (13%)
Brakes and Traction Control (19%)
Suspension and Steering (12%)
Electrical and Air Conditioning (20%)
Paint, Rust, Leaks, Rattles, and Trim (4%)
Other (12%)
Chart based on 93 repairs.
2011 Mazda CX-9 repair cost distribution
$2500+ (1%)
$1000 - $2499 (3%)
$500 - $999 (11%)
$100 - $499 (33%)
< $100 (52%)
Chart based on 73 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2011 Mazda CX-9
Engine not specified
| Mazda in Victoria, Australia Feb 2011 - Apr 2011 | |||
| Mar 20113100 mi | Initially, knocking noise from front right, mainly when turning left (no brakes applied). Ended up happening also when driving slowly and turning steering wheel left to right. Work Done: Replaced right engine mount. Fixed problem. Right drivers window was not tracking correctly and was rattling when when down part way while driving. Action taken: Replaced window motor and readjusted window to align correctly. Rear power tail gate would not lock correctly when closing. Intermitent. Action Taken: Greased, realigned hatch. Now working. | ||
2011 Mazda CX-9 4dr SUV
273-horsepower 3.7L V6 6-speed shiftable automatic FWD
| Mazda CX-9 in California, United States Aug 2014 - Jun 2018 | |||
| Sep 201444000 miUS $150 | Battery needed to be replaced. | ||
| Mazda CX-9 in Florida, United States Feb 2014 - Mar 2022 | |||
| Apr 201544200 miUS $150 | Brake booster failure. Fixed under Mazda's extended warranty as it was a known issue for the model year. Passenger side power window motor failure | ||
| Dec 201783000 miUS $250 | Broken wheel bearing caused noise in the front left wheel. More pronounced on smooth tarmac as it could be heard above the road noise. | ||
| May 201889000 miUS $1650 | Needed to replace driver side front strut. Had to replace in pairs. Was bottoming out and was leading to poor handling. Replaced 4 rotors and brake pads at 88k miles. Used Mazda OEM rotors and pads. | ||
| Jun 2019106000 miUS $249 | Spark plugs replacement | ||
| Mazda CX-9 in Texas, United States Sep 2013 - Apr 2020 | |||
| Nov 201653100 mi | Power braking system was leaking | ||
| Mazda CX-9 in California, United States May 2013 - Dec 2021 | |||
| Jun 201346000 miUS $375 | Dealer mechanic disassembled LF axle assembly and added grease to location recommend by factory TSP. | ||
| Nov 201580000 miUS $150 | Driver's door power lock actuator/latch replacement | ||
| Mar 201684000 miUS $200 | Replaced howling left wheel bearing/hub assembly | ||
| Oct 201694500 miUS $300 | Brake booster failure. A TSB advised of some known defective units, advised free dealer replacement up to 90,000 miles. Mine failed at 91.500. Dealer split cost. | ||
| Mar 2019123600 miUS $400 | Replace alternator and drive belt | ||
| Jan 2020131523 miUS $250 | replace starter | ||
| Aug 2021144000 miUS $75 | Replace thermostat and upper radiator hose | ||
| Mazda CX-9 in Tennessee, United States May 2011 - Nov 2011 | |||
| Nov 20118000 mi | 11-2-11 A/C - started blowing hot air - had to reprogram - Mazda had a service notice on it but not notifying anyone - just reprogram if owner starts having problem | ||
| Mazda CX-9 in North Carolina, United States Jan 2013 - Feb 2020 | |||
| Jun 2017153000 miUS $525 | Failed power brake booster was replaced. | ||
| Mazda CX-9 in Arizona, United States Oct 2017 - Feb 2023 | |||
| Jan 2019113000 mi | Front brakes worm down to 3mm. Replaced pads and rotors. Back brakes still at 50%. Right front CV joint leaking. Replaced. Replaced original struts and shocks. One strut and one shock leaking. Replaced all four. | ||
| Jun 2020120000 miUS $161 | Steering sensor ring worn out. This caused the traction control light out to stay on. When vehicle was traveling in a straight line, the sensor showed the wheel turning which affected the traction control / stability control. Part was $ 10 and the dealer only charged me for the basic shop scan, part and replacement. I couldn't believe how little I was charged. | ||
| Sep 2021128000 mi | Had coolant leak. Found out the drain plug was cracked and almost sheared off. A large rubber washer originally hid the defect. Mechanic replaced the drain plug. As I am a regular customer, there was no charge to replace the plug and top off the coolant. | ||
| Jan 2022130000 miUS $175 | Oil pressure sending unit had a leak. Was leaking on air compressor which kept oil from leaking on driveway, so only upon oil check light coming on, I was unaware of the leak. Unit was replaced and oil change included. | ||
| Jun 2022137000 miUS $300 | Replaced rear shocks. | ||
| Feb 2023140000 miUS $230 | Driver's door handle internal parts broke and fell inside door. Waited for OEM parts for 3 months and used a temporary handle until part arrived. | ||
| Mazda CX-9 in Connecticut, United States Oct 2015 - Dec 2022 | |||
| Apr 201864788 miUS $330 | The driver's Master door window switch would not lower the rear left window. It did work in the up direction. The entire switch had to be replaced. | ||
| Dec 201874000 miUS $375 | Driver's side door [window] motor had to be replaced. Air bag pump replaced due to recall | ||
| Nov 2021101000 miUS $40 | Replaced passenger side window motor. | ||
| Mazda CX-9 in Texas, United States Jul 2015 - Jun 2022 | |||
| Sep 201779000 miUS $400 | alternator failure | ||
| Mazda CX-9 in California, United States Sep 2015 - Feb 2022 | |||
| May 201781000 miUS $500 | Replaced brake Rotors and Pads, Serviced the transmission, and replaced fluid. | ||
| Mazda CX-9 in Alabama, United States Sep 2011 - Jun 2022 | |||
| Oct 2015116500 miUS $350 | Driver's side window motor failed. | ||
| Feb 2017155000 miUS $360 | Passenger side window motor failed. They replaced the motor. | ||
| Nov 2021209000 miUS $3000 | Leaking shocks, worn out springs. Brake lights not coming on Driver visor spring worn out, the visor had to be replaced. | ||
| Mazda CX-9 in Texas, United States Apr 2012 - Jan 2018 | |||
| Jun 201326000 mi | Somehow the housing for the cabin filter was broken. No one knows how. Maybe the company that did our inspection broke it without telling us. | ||
| Mazda CX-9 in Texas, United States Apr 2011 - Jul 2016 | |||
| Sep 20115000 mi | heard a slight ticking noise from the engine under light load and low RPM. dealer could not replicate but advised that Mazda is aware of this common issue and has issued a notice that they are aware of the sound but not to be concerned. | ||
| Feb 20129000 mi | Windshield wiper mechanism was grinding, dealer replaced front wiper link Ticking noise coming from engine off idle. | ||
| Mar 201210000 mi | brake switch failed and replaced under warranty. | ||
| Apr 201211000 mi | dealer agreed to replace engine to resolve the ongoing ticking issue | ||
| Aug 201560000 mi | the brake vacuum booster failed (a known issue covered by a recall) | ||
| Mazda CX-9 in Washington, United States Sep 2011 - Dec 2014 | |||
| Nov 20111000 mi | We've noticed driver side mirror vibration. Problem was reproduced during test drive with a service tech. After that they inspected a mirror for possible tightening issues and decided to order a new one. Dealer installed new mirror, but this didn't fix the problem. | ||
| Dec 20111000 mi | Dealer again confirmed problem with vibrating driver side mirror. This time they've contacted Mazda and ordered "some special kit, which will solve the issues". Dealer installed repair kit, but broke the mirror and had to order a new one, which delayed a repair to 5 days total. Rental car was provided at the dealer expense. Unfortunatelly there is no improvement after repair was finished. | ||
| Mazda CX-9 in Arizona, United States Mar 2011 - Oct 2013 | |||
| Aug 20115700 mi | ABS systen returned a fault code so they replaced it | ||
| Oct 201330000 mi | Replace Fuel Sensor Chrome was pealing off the Mazda emblem on the front | ||
| Mazda CX-9 in Louisiana, United States Jun 2011 - Apr 2020 | |||
| Jul 2011 | Bracket lose behind driver side dash board. The issue was promptly fixed in 1 day. | ||
| Mar 201527000 mi | Broken driver side window motor. | ||
| Mar 201747000 mi | Passenger side airbag | ||
| Mar 201850000 miUS $173 | Passenger front and passenger rear left window broken. 3 out of 4 windows have failed. | ||
| Mazda CX-9 in Delaware, United States Feb 2011 - Jan 2012 | |||
| Sep 201112000 mi | Loud buzzing metal rattle from underneath vehicle towards firewall when accelerating, low speed to near shift points as engine revs. Sounds like loud exhaust rumble. Could not duplicate when at dealer, but vehicle inspected underneath. | ||
| Mazda CX-9 in Texas, United States Jul 2011 - Oct 2017 | |||
| Apr 201655000 mi | Brake booster covered under warrantee | ||
2011 Mazda CX-9 4dr SUV
273-horsepower 3.7L V6 6-speed shiftable automatic AWD
| Mazda CX-9 in Pennsylvania, United States Aug 2015 - Dec 2021 | |||
| Jul 201796000 miUS $670 | Brake booster failed | ||
| Mazda CX-9 in Michigan, United States Mar 2011 - Jul 2019 | |||
| Feb 201455000 mi | The transfer case failed, and when it was removed the tech discovered the transmission was also damaged. They replaced both under warranty. | ||
| Mar 201456000 mi | During previous repair, mechanic missed some of the clips holding in the wheel well liners. They came loose, fell down and rubbed against my tires, and had to be replaced. | ||
| Oct 2016106000 mi | The brake booster failed. It would have been a warranty repair if I'd been under 80,000 miles. | ||
| Mar 2017115000 miUS $400 | Replaced front brake pads. | ||
| Jun 2017119000 miUS $750 | Wheel bearings on my rear drivers side wheel went bad - had to be replaced. And now the front drivers side wheel is making noise too. :-/ | ||
| Jan 2018126000 miUS $500 | Had to replace front drivers side wheel hub | ||
| Mazda CX-9 in Pennsylvania, United States Dec 2016 - Dec 2017 | |||
| Jul 201798000 miUS $150 | Engine ping/knock under load between 2000-3000 rpm. Had extended warranty so tried to get engine serviced before 100,000 miles. First attempt, dealer said they could not reproduce. 6 months later I took the car to a different dealer and drove with a mechanic who heard the noise. They said it was a rattle in the pre-cat. I completely disagree. This is not a rattle, it's a spark knock. It's gotten worse over the past year. Super loud when the engine is cold. Fuel trims look good. I really think it's a timing issue. I've done almost everything short of pulling the heads. | ||
| Nov 2017112000 miUS $75 | Replaced one failed fuel injector and replaced O-Rings on all injectors while I had the fuel rail off. | ||
| Mazda CX-9 in Oregon, United States Dec 2012 - Dec 2021 | |||
| Jul 202173000 miUS $500 | new front pads and rotors | ||
| Dec 202177000 miUS $150 | replaced battery | ||
| Mazda CX-9 in New Zealand Feb 2018 - Apr 2018 | |||
| Apr 201865100 mi$560 | Symptoms were harsh engagement from neutral to drive, hard downshift into 4th gear and fluctuations in throttle with cruise control on going uphill. TCM replaced to remedy harsh engagement and shifting. Transfer case replaced as oil condition poor and quantity low. Splines also worn. | ||
| Mazda CX-9 in Vermont, United States Apr 2011 - Jun 2018 | |||
| Mar 201215000 mi | valve body leak | ||
| Nov 201223100 mi | In cruise control and 40-55 mph on a slight up slope the transmission will surge about 500 rpm between 1500 & 2000 many many times before it will shift or lock on to a given rpm | ||
| Jun 201641000 mi | Surging since car new. Found tsp that addressed the problem called madza got them to look at it. Couldn't make it do it for the factory rep but he agreededto do the latest update to the software. Problem solved | ||
| Mazda CX-9 in Pennsylvania, United States Sep 2013 - Jun 2022 | |||
| Sep 201756000 miUS $180 | Corrosion on exhaust pipe with hole in system. New pipes fabricated and replaced corroded ones. | ||
| Mazda CX-9 in Ontario, Canada Jun 2011 - Jul 2014 | |||
| Mar 201442780 mi | power steering pump failed dealer still has it pump not in after 10 days in shop,truck is unsafe to drive.email to Mazda they don't care either,shame on you Mazda its a Ford part and I found 6 locally at dealers in Sault Ste.Marie Ontario | ||
| Apr 201442780 mi | truck was in shop for 29 days waiting for a new power steering pump to come from Japan WOW a power steering pump from Japan good job Mazda,now I get a notice that advises 4wd transfer cases are bad and warranty is extended to 140k on this!!! | ||
| Mazda CX-9 in Alberta, Canada Aug 2011 - Jul 2015 | |||
| Dec 20114960 miC $54 | Hesitates when starting from time to time. Have to let it crake for a while and some times have to turn it off and try again. When taking in for oil change no problem was found, as it started fine each time tried | ||
| Mazda CX-9 in Massachusetts, United States Mar 2013 - Jan 2022 | |||
| Jul 201680700 mi | Replaced failed purge valve | ||
| Jun 201794000 miUS $650 | Brake booster replaced due to known design issue resulting in leaks and loss of stopping power. Extended warranty for this design issue ended in 2015. | ||
| Jun 2019125776 miUS $1500 | Replaced #4 fuel injector and all spark plugs Inner and outer tierod replaced | ||
| Sep 2021161000 miUS $635 | #5 fuel injector replaced as well as all spark plugs (fouled). | ||
| Mazda CX-9 in Minnesota, United States Sep 2012 - Jul 2022 | |||
| Nov 201319000 mi | Rear axle seals replaced | ||
| Jul 2021103000 mi | Transfer case was replaced, as were the rear axle seals. | ||
| Mazda CX-9 in Pennsylvania, United States Aug 2013 - Sep 2016 | |||
| May 201443000 miUS $200 | Drivers side headlight had water inside the assembly. Had a bad seal. Had to replace entire headlight assembly. | ||
| Apr 201559700 mi | Had to replace transfer case. Total cost was under warranty. | ||
| Mazda CX-9 in California, United States Feb 2011 - Jun 2016 | |||
| Feb 20128000 mi | Replaced the window regulator on driver side because I thought it made noise :) | ||
| Mazda CX-9 in Massachusetts, United States Aug 2014 - Aug 2017 | |||
| Nov 201539100 mi | Was an occasional rattle; Mazda dealer found 1 rivet was off on the gas tank shield, so they installed a rivet for $14. Sound came back after a week. Was there getting an inspection stkr & inspecting the front end for the recall; no issue. | ||
| Nov 201648800 miUS $7 | Had been making a low frequency "whining" noise when driving around 25-40mph. Mazda dlr said it needed a new power transfer unit, which also started to damage the transmission; both were replaced for free; retail cost: $9K! Free loaner suv. | ||
| Mazda CX-9 in Washington, United States Mar 2014 - Dec 2016 | |||
| Oct 201659000 mi | The electric hatchback opened and closed fine, but would not latch properly. It needed a shove before it was firmly shut. The dealer replaced the motor, but that did not fix it. They then replaced all the parts with newly designed. | ||
| Mazda CX-9 in New York, United States Apr 2011 - Sep 2014 | |||
| Jan 201213100 mi | Problem with tailgate not locking shut. Update: later went away on its own. | ||
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