Mazda CX-9 Mechanical Review
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- Опубліковано 14 лип 2024
- Here's a look under the hood and underneath the Mazda CX-9 crossover utility vehicle!
The Mazda CX-9 is the largest vehicle in Mazda's lineup and Mazda has chosen its most powerful engine yet, the 2.5L Turbo charged 4 cylinder Skyactiv engine. It's paired with a traditional 6-speed automatic transmission and AWD.
In this video we take a detailed look under the hood at the subsystems, such as the air intake, fuel, engine, timing, drive belt, cooling, transmission and electrical systems. We also take a look underneath the CX-9 at the exhaust, brakes, suspension, steering and fuel delivery system.
Skip to section in the video:
0:00 Introduction
0:14 Engine
6:37 Transmission
8:47 Exhaust
10:34 Suspension
14:59 Cooling
16:27 Brakes
17:47 Fuel Delivery
18:26 Final Thoughts
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The amount of explanation in this video is amazing. Thank you so much for this detail walkthrough.
I am watching this channel before I buy any car, the best reviews of exactly what I care about.
You're awesome bro, thank you for these mechanical reviews, so much good info!
Great overview, we're in the market and the CX-9 is at the top of the list. I work on my own cars and this video will be a great resource when the car is out of warranty.
This was the best review I’ve seen so far about this car.
Thank you. We just bought a 23 CX-9 Sig. Loving it.
Outstanding vehicle. Have had them for years …
I am going to buy a new 2021 Cx-9 vehicle, and this review gave me a good idea about the suspension system maintenance. I now understand that the lower control arm is easy to replace but handling the upper control arm is a nightmare. Showing the rear axle that connects the rear differential is very useful, so this is a AWD for family purposes and not for a rough off-road drive. Also, the anti-roll bar with links that needs a frequent fix. I AM Not sure about the rust but I am living in a very warm and dry climate, if I move to a humid place close to the sea that would be problematic.
Appreciate your video 😍👍 so much to know
I am now more confident to buy this car as a daily driver without worrying about maintenance issues
Like your honest review on every car.
Nice video! Thanks and keep them coming!!
You are welcome
YASS!! MAZDA Mechanical Reviews!! MOARR!!!!
This car very easy to do your maintains at home cheap parts easy access to most the parts good job mazda 👏👏
Another great video, keep them coming!
Thanks Martin
Thanks for the detailed explanation !
Thanks for the overview. Was always curious how the quality was beyond the nice interior.
Ive had my mazda CX-9 for 3 years and it doesnt have any rust like that. Its really a great little crossover
Keep it rust proofed. Also depends on where you live. Up here it snows and they use salt
Have you had any issues with yours ?
I have a Mazda 6, driven in Chicago Illinois where there is tons of salt in the winter on the roads. After one winter the car had no surface rust. I change my own oil so I look underneath it.
Thank you so much this is very informative
Glad it was helpful!
Wow, great review. Regards from a happy German Mazda 6 gj driver ;)
Thanks. Good cars!
Very straightforward.
Nice review🔥
thanks for a great review. great styling but it kind of sucks that there's already rusting on the subframe and some bolts.
I used to be a service technician at El Cajon Mazda. The customers came in for 5k service all day because it was mechanically good no major issues.
So happy to see an overall positive review. I think Mazda might actually be true in aiming to make good cars.
Nice! Mazada CX9 done!
Other items that may be important to note that I have encountered on the CX-9. High pressure fuel pump failures that cause metal particles to damage the injectors. Cracks between two and three cylinders in the exhaust port.
What are the symptoms of that issue
Very clear vidéo. The camera job is excellent. Explanation very helpful. Rust disappointing.
Great video! I own a 2018 CX-9 and love it, except for the fact that I've had to replace two motorized hatch lift struts already at a cost of $800 each. First one was under warranty.
Have you had any other issues ? Any rust? I’ve heard some rust on the roof? Also hear about engine failure. I’m looking to buy one but worried about big issues.
@@PictureProStudios That's the only issue I've had after nearly 80K miles. I also do all my own maintenance.
@@PictureProStudios did they say WHY the engines failed? engines can fail more so from a lack of maintenance ... if this was a chronic issues it would be all over youtube and the internet . so i have to wonder for total engine failure.. what was the maintenance history like BEFORE the failure.
If only the wheel engineers talked to the chassis engineers about rustproofing...
Yep
Again, an excellent car review. I am very familiar with different Mazda vehicles. I think CX9 is a fun car to drive. Also, the reliability is quite good however the maintenance is pretty expensive, especially if you want to use OEM parts. I would not recommend CX9 to anyone who likes working on their own cars. And yet be aware of the rust issues.
Expensive parts how? If you can buy a cx9 I can't imagine oem parts are going to be a problem.
exactly why and how is it expensive... examples please
Rustproof and it will be a great reliable vehicle. Aside from the metal choices you pointed out I am really impressed with Mazda's new designs.
Agreed!
Bought a 2020 Mazda CX-5 in July. Got it undercoated early September. Hopefully, it wont rust as quickly.
Yes but why should I have to rustproof a vehicle myself that I just paid 40k for?
@@halc.2899 Because companies don't care anymore and it's always something with every automaker, for example; it's better than taking it into the dealership every week for electrical issues (amongst other things) on a vehicle you paid $65K for. Lexus and Acura are still pretty reliable but almost every other "Luxury" or above average class vehicle has so many issues because of all the extra features.
For me personally I would rather do a bit of coating than have mechanical issues or have to take it in every week especially for people like me who live hours away from dealerships.
Thank you!! I’m looking into buying the new Mazda 3 Turbo, which has the same engine in it. Sad to hear that the rusting issues I’ve heard about seem true, because I’d like to own the car for 15+ years!
GeekCatholic 6 years, 2 accidents and having my 2015 Mazda3 keyed, I have no rust on the body panels
Kevin Wright - Nice! I would hypothesize that Mazda’s problem is the chassis paint, not the body paint or the quality of steel used. If that’s the case, CRC corrosion inhibitor should be a great fix. I plan to apply that to my underbody components every couple of years.
GeekCatholic I have been underneath my car multiple times and this CX9 has more surface rust underneath than mine. I have never undercoated it, only run it through the car wash. I’m going with another Mazda when the time comes, no doubts.
My intention also
Mazda is a small car company but still makes awesone vehicles... I reckon most of their vehicles will be unbeatable if it has a rwd format....
Excellent reviews, I like how you show us the components of the car for when repairing and break down each aspect. Engine , transmission, and suspension.
Instead of just shouting out don't buy this get a toyota instead like other people on youtube, without any indepth analysis.
The eclipse cross looks like a winner to me so far mechanically, these mazda and Kia/ hyundai have weak gdi engines.
The first thing to do with a mazda is install a catch can and get a rust proof coating done from underneath
Thanks. And yes Mazda looks to be a pretty solid offering
exhaust gases are inert so they dont get reburnt as you say
EGR works by provided some inert gases to combustion to act as absorbents of combustion heat to reduce peak in-cylinder temperatures, this reduced possibity of knocking and NO
x produced since high in cylinder temperatures promote knocking and formation of NOx, another primary benefit of EGR is you can have larger throttle opening to compensate for diluting the air with exhaust gases this helps reduces pumping losses(how much effort the engine uses to suck and blow air).
At least they didn't put the struts inside the shocks like in many vehicles which tends to cause design limitations. Probably it's much better that way.
love the vid
muy buen video amigo , podras hacer un video de como sacar el cuerpo de aceleleracion de esa cx9. saludos desde peru. Gracias
I was looking into this vehicle and I am disappointed with the subcomponents. Thanks for your review.
Can u please do a mechanical review of Toyota Highlander 2020 v6
Nah, the Toyota Sequioa is more interesting to review instead.
He did say 4runner is coming soon.
He just did it.
Glad to see an oil level sensor for when the plastic engine parts crack and runs out of oil.
Great video! I was wondering if you could show me where in the video I could find the camshaft sensor and the turbo boost pressure sensor (I know very little about car sensor components lol), because I am not quite sure where they are. Are they relatively accessible from the hood view?
A sports cars mechanical reviews would be great.
C8 Corvette
Hey!! Congrats for all the videos!! What do you step out from a crv 2018 70k km to a 2016 cx9 130 k km? Both with dealerships maintained
Crossed this thing off my list because competitors offer a V-6 for the same price range.
Heck Yeah! I own a 2017 CX-9 sport. I love that thing, it drives perfectly with the exception of the transmission jerking for the first few shifts when not warm. It looks just like that one mechanically minus the AWD system. Gas Mileage is great, I get around 24 combined City and Highway which is crazy to think it gets 4 better MPG while also more HP & Torque than my old v6 mustang did while weighing over 1000 lbs more. However, I'm paranoid about rust now after seeing that but when I was under the car changing the trans fluid the other day I didn't notice any, must have gotten lucky as the car has only ever been kept in SoCal and CFL.
Thanks for posting. I own a 2016 CX9 and was concerned about the rust issue. I live in CFL. 😅
love it except for............the transmission jerking WHAT. that cant be good
@Myname Isunavailable More or less a rough shift. I think it's a design flaw, the 'Tropher' did a video on driving a New CX-30 and commented on the transmission doing the same thing (90F and below). I think the cold temp throws the fluid viscosity off parameter and when the TQ converter locks up during the 1-2 shift it's harsh. I personally don't mind it since it goes away, I just don't know if it will get worse, or damage itself over time.
I have a 2016 GT CX9 with 32k miles on it. No AWD. I’ve noticed the same issues before going to work. It’s a simple fix. Let the engine warm up for 5 minutes. Issue gone. It never shows up the rest of the day. In my vehicle, the shifts are not “jerky” but I can feel them and that may be issue. After the car warms up, you hardly feel the shifts at all. I’m comparing the CX9 trans to a 2010 Ford Escape. Shifts were NOT smooth and actually got worse after getting off the highway, then it really “jerked “ the car. Even passengers could feel it. I would take the CX9 over it hands down.
I have a 18 cx9 and the jerking was something I noticed when starting the car when it was sitting for a while.....I allow it to warm up and no jerking when going through the gears
I own a 2009 Chevy Equinox with 180000km, absolutely no rust, oil sprayed myself from brand new, underneath is mint, what a difference it makes, don't undercoat, oil spray instead.
How do you oil spray?
What type and brand wd40 or other?
@@PecanPie1102 There are a variety of non-permanent undercoatings you can use, some off-the-shelf and some homemade. Something like Fluid Film works well. Others use bar-and-chain oil (summer formula preferred) as it's pretty sticky mixed with a solvent like kerosene to make it more sprayable. Some people just use used motor oil. Just don't use anything permanent like spray truck bed liner or Ziebart or whatnot...the permanent coatings actually trap water and accelerate rust!
Thank you for the video. What your thoughts on Cx-9? It's a pretty SUV inside and out. Does it have similar rust issues you have shown with the Mazda in your video?
Thank you 3000x
Thanks mam, just bought one gt
You bought a discontinued model.
Min 10:04 ... Nice blue SMOKE ! 💥🙈
Min 10:56 ... Rusty 2019 Mazda 💪
Engine wasn't warmed up, any Turbo will do that on cold start then high rev.
@DavidRC Now that Mazda is partnered with Toyota maybe they will start to do the same.
@DavidRC Is that why Tacoma frames self destruct? Toyota is great in many ways but I haven't see where their corrosion protection is superior.
Lol when do you upload 4runner mechanical review? Been waiting for months
Pretty interesting to see how much Mazda has taken from Audi in designing their cars, it would be interesting to see a review on a C6 Audi A6 3,2
I have a Q5 video coming soon. They are very different under the hood
@@speedkar99 They are yet share some similarities. Looking forward to the video, love your videos!
I also see some Italian design cues. I have always thought that came about from working with Fiat on their version of the MX-5. I really enjoy how the CX-9’s front lights are shaped very much like the rear ones, like on the 1972 Chrysler Imperial. I can’t easily think of another car designed that way.
There were a number of comments addressing the rust, with some surprise, on the under carriage of this Mazda CX-9. Unfortunately, all cars, at least those made with metal will rust/oxidize, here in Central New York. The reason isn't a surprise, we have long cold winters with over 130 inches of snow and spring and fall with a lot of rain. Of course, the large amount of road salt doesn't help either. So, no surprise, the cars here are exposed to lots of moisture and salt and never able to dry out. I guess what I'm trying to say is that the rust you see here isn't a Mazda issue, but a function of the conditions this Mazda was driven.
How about in California we have a whole dry year and year……囧
I have a 2019 mazda 6 do you think mazdas have gotten better or worse with rust issues since the split from ford?
Wow, very different review. Nice...
KIA Sportage 2012 please
So old
@@speedkar99 that's why we want to know. How it held up over time
I like it
There is lots of surface rust, but something to remember is that 99% of that is surface and not the actual steel itself rotting, on many stamp steel setups you'll see the entire frame orange in rust but still solid even after 10-20 years, I have a 2014 Mazda 3 and the stamp steel has surface rust but is still very solid, I live in northern Canada and the outside has zero rust, even around wheel well and side skirts, which I think is most important. Although I would very much like to see more aluminum and upgraded design, especially with the luxury aspect they are looking for and good build quality inside
Agreed, alot is just surface rust. But there shouldn't be surface rust on a brand new vehicle...
@@speedkar99 I do agree, a better undercoating from factory would help alot, hopefully the next generation adds this
@@speedkar99 Every single vehicle that uses the same material and finish will rust. It is just the nature of it, but definitely nothing to worry at all.
Big fan of your reviews. Quick question I own Hyundai santafe 2019 2.4L FWD 30k miles. I don't see any water coming from exhaut pipe ever in morning or day .. Is it Normal? thr is no fuel smoke or smell either
Thank you
Yes it's fine
Do you think they put much stress on the turbo comparing to the vehicle weight if we use 87 gas?
would this be largely the same for the mazda 3 with this same motor?
Do you think front sway link connected to strut directly or to lower control arm is is better?
Depends on the motion ratio
Are carbon buildup common on these Skyactiv engine? Even though it's direct injection, apparently they made the engine temp high enough do that carbons cannot form on the valves
Very uncommon on later generation skyactiv engines
I was shocked to see all that rust underneath the vehicle and it’s only a year old!
I have a 14 cx5 with same suspension and underneath (plastic shields) 10 years old looks better than this car, I live where they put our salt with 1/2 of snow so much car looks white the next day, I do wash car after the weather gets better.
Awesome content. Can you please do a mechanical review of Audi Q7? Preferably the previous gen one.
I have a question, i bought a SilverHolder led light strip under Hood, i can't really figure what's the acc fuse
Will high heat and humidity environment cause rust as bad as this?
Please do a highlander review 2019 model.
I'm waiting for the 2020
@@speedkar99 do the 2021 xse
Could you please Review full-size pick up trucks
Like the F150/Silverado/RAM?
Or pretenders like the Titan?😫
Mazda look nice on the outside. Still rust after all these years it would appear
Dudeeeee!!!! Steel suspension components are good aluminum means one big enough pothole and you need to replace several of those components. plus need alignment. hundreds of dollars.
If if they are steel they bend ?
Which one your r recommend 7 passenger so far?
A little rust never hurt anyone
Finally someone with some common sense lol
17:19 from chickens crossing the road =D
The surface rust isn't great to see, but I have a 10 yr old CX-5 that has gone through MN winters and all their salt and it's still solid, but yes does have rust underneath, but not a lot worse than that CX-9.
I'm guessing the thinking is the oil cap is made of plastic and last quite awhile so why not make the entire valve cover from that?
I would kiss you if you do an older vehicle review like my 08 Civic si, i know theres a lot out there but I would like to hear your more in depth mechanical view to it
17:37 i think you meant CX-9
Has this car drowned in sea water? I have 2014 CX-9 and with no rust or very minimal of the iron frame and iron arms.
That's quite normal for most cars in Ontario that hasn't been rust proofed religiously
If kept in a heated garage any car will rust more quickly.
You need to make sure you check to make sure that internal timing chain water pump isn’t leaking into you engine block, because your engine is derived from a Ford V6.
Cars in cold countries rust , because of the salt used on the roads when it's snowing. It happens to any car unless it has an antirust coating from underneath.
@@tails300 False.
Obviously cost cutting measures with the poor quality steel components underneath the Cx9. Let's see if the Cx90 fixes this issue. Seems to be a great vehicle and would be a great vehicle for a family if taking care of.
I have my eyes on a CX90 I want to review. Let's see
Mazda 6 review please
Wow my 2000 BMW e39 with all aluminum components is no rust for a reason...
Do a cadillac xt4
Please review Ford Explorer ST - RWD+AWD+400HP. Plugin Hybrid 450HP is coming next..
I would love to see what changes Ford has done to the latest explorer
I had a Mazda 323 that ran perfectly but rusted like a nail in acid.
That's the Mazda problem
17:36 what model are we reviewing?
Why don't you ever state the model year of the cars you review? That would be very helpful for viewers. Still appreciate all the technical info you provide vs number of cupholders!
I thought I did in the description. Regardless, under the hood they are all the same from the same generation. Most redesigns/facelifts change things from the outside or the interior
he said one year old
What rustproofing method would you recommend?
Good ol rust-o-leum, just make sure you get your undercarriage detailed before spraying it.
@@arapaimagold8088 Thanks a lot!
What about the final coat modules..are they any good? It's an electronic way to prevent rust
How hard would it be to replace the head gasket of CX-9? I watched a video how they replace the head gasket and they had to remove 6 trolleys of parts to get to it.
Most modern cars have alot of things packed onto it. They're essentially built then installed into the vehicle body. 6 trollies sound right 🤦
Car Wizard has a video on this.
ua-cam.com/video/SQ9FQB41H4U/v-deo.htmlsi=a92WaqyyYanODtFe
Hey man, where in Ontario are you located? thanks
Toronto
@@speedkar99 can I have your number or email to connect with you?
I dont think that rust would be an issue, just like the rust on brake rotors.
Those non-coated rotors they sell are so annoying. They start rusting as soon as you bolt them on & while I get that it's just surface rust who wants a rusty brand new rotor! 🥴
Thanks, I have a CX-5 w/ the same turbo engine. Is it possible to change the plugs like I could on my wife's 2015 non-turbo 2.5 CX-5?
The engines are the same yours is just beefed up a little more for the added turbo. Her spark plugs should be in the exact same area yours is.
Did ECUs use to be inside the cars back in the 90s?
Yes
@@speedkar99 Thank you, I though that was the case but I was not sure if I just remembered wrong.
Rust proofing?... Can you elaborate or give a good google search phrase? Just bought a new CX-5 in salt county and would like to drive this car for the next 20 years. So far the best I can find is an oil treatment plan for biannual application. Thanks
Oil is good stuff
mazda don't usually last 20 years....You started with a wrong car.
According to project farm, CRC rust inhibitor is much better than oil. Same stuff manufacturers use inside panels.
11:00 - not galvanized ?
Is mazada CX-9 2021 good and reliable and cost effective suv?
Yeah maybe. Sans turbo
I am gonna work on the coffee table for this one soon
@@speedkar99 which 7 passenger do you recommend newer model which you don need to spend big money after purchase .to fix every few years?
steeeellll heellll yyaaahhh! amurican steeell!
Air intake looks high thankfully, seems like it would be at least 650mm wading depth? Maybe even 750mm. I wish they would specify this…
Can you review a Nissan Rogue?
Too old. Waiting for the new one
How do you get a hold of these vehicles
my guess is they are rentals - maybe he rents them for a couple of days.