Mazda Cx-9 Water Pump & Timing Chain Replacement - DIY - Start to Finish - Coolant Mixes with Oil
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- Опубликовано: 5 апр 2023
- Whats up guys, here today we have a mazda cx9 with a broken waterpump. the coolant is mixing with the oil. if you catch it early enough, the engine is savable. we try to go step by step, hopes this helps. like and subscribe
#mazdacx9 #waterpump #likeandsubscribe 
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Bro ... I want to say thank you for this video. Never gone this deep under the hood, and your video literally walked me through, step by step. Few things to finish up on my 2015 CX9, and then I'm done changing the water pump, oil pan gasket, and an array of other things along the way. I haven't started it yet, and no matter what happens, I learned a ton.. I have all the tools I'll ever need and saved about 5k doing it myself. Super grateful!!
You got it ! Appreciate the feed back !
This is frigging awesome dudes. I did my entire job based on this video, with some minor modifications. Superb detail. Thank you guys for doing this.
By the way, I am not a Mazda mechanic and I am 64 years old. Pretty handy, not so handsome. If I can do it with the help of this vid, any mechanic should be able to do it. Funny how not a single mechanic wanted to touch this, not even Mazda.
And you are right, I hope the engineer that dreamed up this engine Nightmare has bad dreams about all the people with CX9s leaking chocolate milk all over his lawn. 😁
Appreciate the feedback! Glad the video helped out 👍
Great video! Just finished the job. Just make sure you watch all the way through since there seems to be couple clips that might be out of order. Great info that really helped me.
Thank you ! I watched your video and found it very educational. I will watch it one or maybe two more times before diving into project. Thank you for showing and suggesting all of the replacement seals and gaskets also the sealant. I replaced the spark plugs so I understand how to remove throttle body and intake manifold. There are many steps involved in the process and you described them in great detail. The description and tricks for the removal of the timing cover are priceless, I have watched other videos and the mechanic did not know the tricks and I watched him split that case into two pieces because he was trying to pry it off. Again thank you for this information!
Thank you, glad the video helped out. 👍
This is Gold! Thank you!
The CX9 timing chains is a tough job. Good video.
looking into getting a 2012 mazda… glad i watched this! i’ll be triple checking that oil and looking into replacing it before its too late!
Well done!
Thank You!
My Mazda CX-9 has coolant in the oil at 81,000 miles. The first symptom was no heat was coming out of the heater vents inside, the air was stone cold in February. The car never overheated, or ran out of coolant. I added coolant as soon I found it low, and good inside heat after that. But then 7 days later I found the coolant low again, so I added coolant a second time. It started running rough after that. I took it to a mechanic and he pulled the oil filler cap and saw milkshake-like oil. He said the engine needs to be taken out to fix it, because the water pump is INSIDE the engine. He said Mazda should really do the repair because the job is very time consuming and requires a Mazda expert mechanic. For a Water Pump??#*&#???
I called the Mazda dealers in my area and they SHOCKED me, when they said it will cost anywhere from $7500 to $11,000 to fix it. Mazda in Danvers, MA would not touch the job, saying a replacement engine alone would cost $7500 BEFORE labor costs.
The Blue Book value is less than $6500, so it it not worth replacing the engine. Given the probability that the water pump failure happened once, then it could happen again. Putting a used engine in is a big risk, because the engine design is fundamentally flawed.
Many 1000s of Mazda customers have had the same problem, so many in fact that at least 2 large class action lawsuits have been litigated so far. Mazda fought it and won, and didn't give any recompense to customers.
Mazda's response in 2023 was that they terminated the CX-9 model completely.
I am an engineer, quite mechanical and good at fixing most things. I watched the video from start to finish and found the job doable, but I would have to spend a few hundred dollars to get all the parts and tools. With this project, there are too many critical details for me to pay attention to. The author gives several DIRE warnings throughout this video about what NOT to do. Many steps -- if done poorly -- WILL require you to clean up your mistake, basically start over , or you WILL have a screwed up the engine.
This repair is a complicated job to fix a fundamentally defective engine design. The video author has MANY years experience with major car repairs. Water pumps regularly wear out in older cars and must be replaced in most older cars over 100,000 miles. So they are an easily replaceable part in most older cars. The fact that the Mazda CX-9 timing chain and water pump are integrated so tightly is just plain wrong!! This engine was not designed for maintainability.
The more I read about Mazda, the more committed I am... I WILL NEVER BUY ANOTHER MAZDA AGAIN !!
Amazing job! I was considering buying a CX-9 but no longer! Like you said, the Ford engineers who designed the internal water pump setup are incompetent. No wonder they are so much cheaper than Toyota Highlander
Can confirm. Water pump went out on my wife’s 2015. No warning. Garbage.
Actually it was Ford engineering that decide to put the pump in the engine.
Doubt it
@@ChrisB-cx6td hello Ford Taurus, Edge and Flex is not enough proof
@@edgars8585 no
@@ChrisB-cx6td No what? Idiot,
@@ChrisB-cx6td that is 100% a ford engine...
Was the customer getting a check engine light and a P0016 for bank 1, cam a? Ours(My daughters) is getting a P0016, happened quick, still had water in reservoir, so it got caught early. My scan tool showed the cam was running 12 degrees advanced. I pressurized the cooling system to verify coolant leaking in oil. Most likely the water pump. Thanks for the video, lots of helpful tips.
thank you for super good video. i have a question. do you know where all the oil on the outside cover(before removal) is from? is it from valve cover?
do you could diagnose this byremoving the valve cover and checking the timing chain for looseness, and maybe using a prybar to see if the water pump sprocket has any axial play in it?
After I removed the timing cover I place a towel over the oil pan area that is located directly below water pump the towel will stop anything that falls out of the broken water pump from falling into the oil pan. Broken impeller and barring chips will fall into pan then your screwed
That's a lot of work. Great video. How many miles do you have in this CX9 when this happened?
Its seems like alot but its not tht bad. The first time, I ever did this it was overwhelming, Now i can have this done in a couple of hours. This one had 160k miles.
@gtflips. It is a great video by the way. It made me decide to attempt to do the job myself. I don't have the tools or a convenient shop to do the job in cold weather.
@@gtflipswhere are you located, I need you to do mine
Great job!! Do you think changing coolant regularly can help avoid the leak? Thanks.
No, the brillant engineer who designed this was special. Its only a matter of time when it will break.
@@gtflips thank you. One more question. My 2015 just gets 18mpg combined. What do you get? How can i improve?
What cam holding tool did you go with?
Did you end up finding more fragments of the water pump?
BETOOLL Camshaft Holding Tool Timing Alignment Holder Tool Set Kit Compatible with 303-1248 303-1530 Ford 3.5L & 3.7L 4V a.co/d/9xEaacY
Yeah there were more fragments, oil also got into the cooling system. We had to do multiple coolant flushes to remove all the oil. But now its functioning fine, no issues.
What toque spec did you use for the camshaft sprocket bolts ?
I think mine is leaking from the outside,bottom is cover in antifreeze and seen the driplets as the car was idling,am I lucky I just caught it?
2009 was still the era of ford/mazda wasnt it?
Why did you pull the cv? have yet to figure that out yet?
Get the power steering pump out and the access the bolts easier
Junked my mazda 6s cause of this problem. Out 6-7k worth of car. it only had 80,000 miles on it. Now I have to buy a new car with new job, in an economy where it is uncertain whether I will even get a job in the next year.
sorry to hear that man, yea the water pump design is flawed, I hope you find something !
i almost did the exact same with mine 2 months ago when i had the fateful coolant-oil mix at 225,000 miles. don't know if it was ever serviced for the water pump in the past but i'm in the process of getting the timing cover off now. how much did you get for it?
I gave it away to a dude to practice his mechanic skills on. Junkers wouldn't offer more than 500, and no one is gonna buy it in that shape that I could find. One coolant runs through the engine oil, it's pretty much over unless you want to fix it yourself, from what I could tell. @@jake3700
I am getting quotes of $700 for salvage sale of my car. I paid $29,000 for it used 12 years ago with 18,000 miles. Now it has 81,000 miles. I had at least three other major repairs costing $1200 to $2200 each. Transmission, transfer case, tie rods, brake calipers 3X, and other major repairs.
The dealers are not helpful except to get you into another repair trap.
Mazda is a Crap car.
I cant seem to find any mechanic willing to do this job. What sort of shop am I looking for? I am in Austin TX. My engine still works without any milkshake. But coolant leak through the weephole and I hear something clunking which I assume are pieces of the broken water pump.
Dealers in my area would not do the job. See my longer response above.
This repair is a complicated job to fix a fundamentally defective engine design. The video author has MANY years experience with major car repairs. Water pumps regularly wear out in older cars and must be replaced in most older cars over 100,000 miles. So they are an easily replaceable part in most older cars. The fact that the Mazda CX-9 timing chain and water pump are integrated so tightly is just plain wrong!! This engine was not designed for maintainability.
How many miles are on it?
It was around 160k miles. I dont remember exact.
What is the small reservoir ?
The power steering fluid
@@gtflips Im about to get a 2012 with Jasper V6 with $5K miles on it, but curious to investigate all issues down the road, so I really appreciate your in depth video. Thank goodness I won't need water pump, timing chain, spark plugs... for a long time
my CX9 has 235K miles on it.... Is it worth spending the money to have that done?
It depends, if you keep your CX9 well maintained, my first ever CX9 had 200k miles when I redid it. And it lasted until 280k miles. Its a good car but it does have tht fatal flaw of the coolant mixing with the oil. Also if you know someone who is able to do it, the better. Where Im located the dealer quoted me 1900 for it to be done. I did it myself and only spent 300 dollars on parts.
@@gtflips Wow! I was Quoted $2,800.00.... I'm in Chattanooga. Wish you were here
@@deborahcross5387 WOW, thats taking advantage of the customer, I wish I was too you would definitely help you out. Ask family and friends if they know any good mechanics. 2800 is ridiculous, the job isnt as hard as they make it seem.
@@gtflips I will do just that until I find someone who can fix it much cheaper than the 2800. Thank God I have another car.
Thank you so much for your input and response
My mom has a cx9, she is still paying on but hasn't been able to drive it because the water pump went out and the car wont crank, Do you think she will need a new motor?
Its hard to diagnose without actually being there. Has the car been sitting? Its could be a weak battery, do you hear the starter engaging? When the waterpump broke, did you continue to drive it with a broken pump?
Well to be honest im not sure. She caled me and said the car wouldnt crank and when i helped her get the car to her house ( I literlly pushed it with my tribute because it was less than a mile away. ) i notice there was no coolant in the resavor so i added some after the car was cooled down and the coolant just fell to the ground. Its been sitting every since. The mazda place wants 15,000 for a new motor and putting it in. Just trying to find the best solution as to what to do because she needs a car. There is water in the oil. The starter does engage. It acts like it wants to crank and then just shuts down.
Oh and the mazda place said she would need a new motor but i wasnt sure if they were saying that because they saw water in the oil or what.
Also you did a great job on the video. I got a lot from it!
@@tiffanymartinez8159 well if the water pump just broke and the motor wasnt overheated its savable. This mazda in the video had a leaking pump for months. The lady just kept adding water.
Are you close to CT?
How can I contact this guy
Whats going on?
its just too much every time , just get an older car, they kept junkyards going until recently, poor families used to vacation yearly in a Chevy station wagon from New York to California without breaking down, loaded every seat and the roof
ridiculous design for a waterpump. at least have a better design waterpump .
Defective. Flawed. Not designed for maintainability.
It's not Mazda who designed this engine. This is Ford. I agree this design is terrible.
And this is why Mazdas are junk. Never buy a car that doesn't have easy access to wear and tear parts like the water pump.
It's literally a Ford engine
@@alexsolivan4346 Ford=junk
My 2011 CX9 had 171k miles it just went 3 days ago. I opened the hood and saw the coolant empty and I knew from there. Called a tow truck it started up drove it up to the tow truck , shut it off pulled it up. Got it back to my place , quick start to park it. I hope the motor is safe and undamaged. Thoughts please?
I bought this 8 months ago , replaced all brakes , rotors, drained , replaced all fluids , coils, spark plugs. ADVICE .. @GTFLIPS
It depends, did the motor overheat at all and how long were you driving without coolant, if you havent had any issues regarding that then you should be fine. this specific mazda we had, waterpump was leaking for months and the girl we fixed it for just keep adding water, we redid everything, gave it a couple of coolant and oil flushes to get all the gunk out. now it drives around no problem.
Get it running if repairs are less than $1000, then sell it.