2017 Mazda CX-9 Problems, complaints & recalls

This model has a Company know defect with its cylinder block involving hairline cracks near the exhaust manifold . Mazda knows the problem and has failed to fix the problem , let alone inform people about the problem. I have been going to this dealership for the last 3 years and was not warned about the problem and now they have confirmed my car has a failed cylinder head crack. They are trying to charge me $7500 for the fix after i asked for goodwill fix since i came to them before the problem was confirmed but...

this is covered under csp11. the problem is my car is a 2017 and they only allow a warranty up to 120,000 miles mine is at 158000 and they will not fix the problem now even thought we just started having problems.

Engine running rough. Check Engine Light illumination. Difficulty starting or a no-start condition. Noticeable loss of power during acceleration Check engine light P0192

The car was jump start due to a bad battery it cold and the light was left on. Right after the jump start a check engine light can on. When I put the vehicle in drive to turn the steering wheel it violently snapped bad and broken one of my finger nail. I tried aging in disbelief it happened aging this shouldn't be happening it could've broke my fingers.

I took our vehicle into Mazda due to a coolant leak that could not be located. It had my wife stranded due to the vehicle overheating. Everything lined up with CSP11. The dealership is now stating that the vehicle has a blown gasket and needs an engine replacement. This is the issue covered by CSP11 except that the crack is in the wrong location. They haven't found the Crack but are denying the warranty due to the covered location not being the source. The vehicle only has 93000 miles on it.

My infotainment screen goes black 10-12 times a year, and therefore I lose access to my backup cameras. I have to turn the car off, and then back on, in order for the screen to function again. This has been happening for the full 8 years I have owned the car. I also have video of this happening, but the file is too large to attach so including photo only.

I was driving the vehicle on the highway when the vehicle started to overheat, lights started blinking, the car was smoking, losing power and acceleration. This car has a recall on the cyclindwr head which when cracks causing the car to loose coolant and oil. If it cracks while you're driving especially on the highway the car will immediately loose coolant and oil thus causing a very dangerous driving condition. There was no indicator prior to the failure that there was anything wrong with the car. No check engine...

Vehicle experienced coolant leak also oil leak from rear of engine. Broken cylinder head due to turbo too close to head

Coolant leak cylinder head. It was running and i could smell coolant on the minifalda and it shout down.

My 2017 Mazda CX9 Signature Edition started leaking coolant from the engine near the firewall. I had a Mazda dealer investigate. They tell me the cylinder head is cracked and the entire engine needs replaced. This appears to be a common problem due to a design flaw and there is a Mazda service bulletin on it. I have found talk of a class action suit online because Mazda is not standing behind their product. I only have 88k miles on this car

My 2017 Mazda Cx9 was stalling and jerking while driving almost causing an accident but glad I was able to drive it home without causing an accident. Took the car to the dealership and was advised that it needs a new engine due to coolant leak. The coolant was going inside the vehicle.

The 2.5l turbo engine mounts are not manufactured strong enough to handle daily driving and torque under the weight of the turbo. This causing cracks in the block/head resulting in coolant leak, over heating, and full engine replacement.

This is the second time my car mazda -2017 had problem with fuel pump. I only saw recall for 2019 Mazda CX-9 in internet. Before the fuel pump fail, I smelled gas inside the car which I was told my mechanic later from the shop where I bought my car for immediate diagnose was considered dangerous. The first time happened 2 years ago when we were on the trip 250 miles from where we live. This time we were about 200 miles away. So the fuel pump it seemed became the problem for Mazda. When we asked Mazda about it...

July 10, 2024, antifreeze leaking from my engine leaking on garage floor. Yes, my safety was put at risk. July 12, 2024, local mechanic informs me that I have a cracked cylinder head coming from the back of the engine. July 15, 2024, vehicle will be towed to local Mazda dealership to have vehicle diagnosed. No warning lights, messages or any other symptoms of the problem prior to the failure. Happened July 10, 2024, at 3:50pm.

My Mazda 2017 CX 9 apparently had a coolant leak. When we had our oil changed, we were told it looked like it was leaking from behind the turbo booster. As I was driving it yesterday, the car slowed to an almost complete stop on the interstate and a warning sign on the screen showed that it was overheating to a dangerous level. I immediately pulled over and allowed the car to cool down. I checked the coolant level and it was not very low at all, although I did add some coolant at that time. It continued to overheat...

This vehicle has been diagnosed as having the Cylinder Head Crack issue referenced in Mazda TSB 01-013/21. The car has just over 70,000 miles on it, so I understand it is out of Warranty, yet this issue only came up due to a known design flaw by Mazda. I have been told that I will be without the car for up to 9 weeks due to repair backlogs and the cost will be $5,250 plus tax!! This car has always been maintained at the Mazda dealership since purchase and has never had any other issues until this flaw,...

I noticed my 2017 CX-9 Touring was leaking coolant. It wasn't much but then checked the reservoir which is nearly empty. The car was overheating. I had it checked out by the dealer and initially I was told that it was bad radiator cap. This was fixed and resolved the initial overheating problems. The overheating issues resurfaced and took it a certified mechanic which indicated it was leaking from the engine block. The quote for repair was over $6000 See: Service Bulletin: 01-002/23

Sunroof exploded. Nothing hit the car just spontaneous explosion while driving. Sounded like a gun shot it was so loud.

Engine head cracked and is still on car as of now. If engine overheats, engine can seize. The leak has been reproduced, but the head has not been removed for inspection yet. No warning lamps. A large puddle of coolant was noticed under the vehicle. From what I have heard is that the material is too thin and eventually cracks. There is a tsb that covers the issue, but since we've gone beyond the 5 yrs of the powertrain warranty it won't be covered. We are under the mileage limit. We lucky caught the leak before...

My car has never had any issues but began burning through coolant. After analyzing myself and then bringing to a mechanic, it has a bad cylinder head leak. This is a design flaw in the motors of Mazda cars during the years of the models with a 2.5 Turbo motor. This flaw will now cost me over $6k for a car just out of warranty when I religiously serviced the car at the Mazda dealer I bought it at in 2017. I cannot afford these repairs that were cause by a design flaw on Mazdas side. There is a TSB and a class action lawsuit for this exact issue. Mazda should issue a recall or help owners pay for the repairs since they have acknowledged the issue but have not made it right.

I took my vehicle into the dealership service center to have maintenance and repairs done. I notified them to a coolant leak. They discovered that the engine has a cracked cylinder head and that the manufacturer is aware of the defect. They stated that they have new updated parts they will use for the repair so this will not happen again. At this time there is no Mazda warranty extension or recall that covers the cost of the repair.

There was a coolant leak on my Mazda CX9 Signature with a 2.5T engine, and when driving the engine temperature started increasing slightly before taking off and turning red. I had to pull off to the side of a busy interstate road very quickly and shut the vehicle down before it overheated any more. Once I got the vehicle to the dealership, they told me it was a cracked cylinder head leaking coolant, and that it was an extremely common problem for the 2.5T mazda engines around about 60k miles, and they were actively working on one in the shop where I was for the same problem. Mazda is not currently helping with engine swap or any repairs as a result and is sticking the customer with the bill.

Known issue in these CX-9's. Had the issue fixed once with a brand new, Mazda, "redesigned engine." 14 months and 30000 miles later it's happening again. Leaking coolant due to cracked cylinder head. First repair was about 9 grand. This time my repair estimate since it's premature was for another 6000 to replace the cylinder head versus the whole engine. That's 15k on a used car when I could've almost paid it off with that amount at this point.

My car started leaking coolant around [[redacted]]. It did not gave me any alert the car was heating up. My eldest brother was the one that notices. I took the car to the dealership and they are telling me I need a new engine. Now I'm googling and I'm seeing a big number of people reporting same issue. The dealership refuses warranty because is up to 60k miles and mine has 72k miles. However many people are having same issue on where the metal in the cylinder head isn't strong enough to support the weight of the...

On 11/21/23 Mazda dealership informed that coolant leak in my Mazda CX-9 had ruined the engine. Research on the coolant leak has found several other cases in CX-9 models. It has been alleged that the engines in these vehicles may be prone to coolant leaks around the cylinder head and exhaust manifold joint due to excessive forces. When an engine coolant leak occurs, the vehicle may rapidly lose engine coolant and cause the engine to overheat. It has been further alleged that Mazda is aware of the engine coolant...