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    2016~2023 CX-9 Oil leak on valve cover

    Let me know what they do for that. See if you can get part numbers. I'll do this myself. Side effects of turbos. Lots of pressure it's gotta go somewhere. Had a turbo Miata for a long time. Had similar issues.
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    2016~2023 CX-9 Oil leak on valve cover

    Is the fix to replace the grommet?
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    2016~2023 CX-9 Oil leak on valve cover

    Changed the oil tonight and noticed a small amount of oil on the front of the engine. Traced it to a sensor going into the valve cover. Going to order a new grommet, and replace it. Engine has 116k miles on it. Change the oil every 3k miles due to consumption from the turbo.
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    IMG_20230302_185000474_HDR~2.jpg

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    2016~2023 CX-9 41K spark plug change, found NGK plugs in the wild

    I picked up some plugs today at the dealer. They are Mazda value brand, and look like they were made in an old soviet factory. has anyone used these? should I take them back and ask for the made in Japan plugs?
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    Mazda 2.5L Turbo - Oil Fuel Dilution Issues?

    There is a TSB(technical service bulletin) on this. Direct injection motors get oil dilution, it is the nature of the beast. The way to prevent this is to let the engine get to operating temperature before it is turned off, or driven hard. A oil catch can will help with this. Cork sport makes...
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    2016 CX-9 Signature leaking coolant

    Coolant stop leak in a modern motor will destroy your engine. The coolant passages are so small they will become clogged. If you want to blow your engine, and void your warranty stop leak is a great way to do it.
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    2016~2023 Identify CX-9 Rubber Hose Near Intake

    Lol. I just posted a thread on this same thing. It looks like a vent for the transmission. I popped my hood after some spirited driving. It had some slight steam coming off it.
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    CX-9 Transmission vent?

    There's a hose coming off the top of the transmission. Does anybody know if it needs to be cleaned? Mine is getting caked with oil, and and I have been wiping it off.
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    CX-9 Maintenance interval suggestion

    I have a 2016 cx-9 sig. I have done all of the maintenance myself minus the valve cleaning. I'm currently sitting at 75k miles. I have noticed some things about this engine. It is very similar to my old Mazdaspeed Miata. What I mean is it goes through spark plugs. I changed mine late at 52k...
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    2016 CX-9 Transmission filler plug location?

    Driving it for a few days with the new fluid, it does seem to shift smoother.
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    Poll 2.5T Coolant Leak/Engine Replacement

    Well that's terrifying. Hopefully my expensive AMSOIL signature protects my motor.
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    Poll 2.5T Coolant Leak/Engine Replacement

    I have a 2016 signature with 72k miles. I have no coolant leak issues.
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    2016 CX-9 Transmission filler plug location?

    PTguy, the filter looked pretty grimmy, the fluid was somewhat dark. the magnet in the tray had about 1/8" of buildup on it, but no chunks of metal. the dip stick is on top of the transmission on the forward side(gray plastic thing with a handle). the pan is a pain to get off, as it is glued on...
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    Anti-tamper or stripped drain plug?

    I had a 2013 cx-5, and I switched it to the hex head drain plug when I was having weeping issues. It was a maintenance bulletin from Mazda for the 2013s, it did have a tapered drain plug to begin with which was weird to me.
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    2016 CX-9 Transmission filler plug location?

    I am changing the fluid and filter on my 2016 CX-9 sig. Where is the filler bolt? Do I use the dip stick hole?
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    Brake pad shim question

    I changed the pads in all 4 corners. I noticed this extra brake pad shim from the factory that's full of holes. The shim comes with the hardware kit. What is the purpose of it...
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    2016+ Maintenance Mode for Rear Brake Pad Change

    I flushed the whole system after install braking is better than it was before. I just dont know whats causing that winding down noise. the sound disappears once the brakes are warm. I always take my cars out for a test drive after any MX. had to many suprises while upgrading the old MSM.
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    2016+ Maintenance Mode for Rear Brake Pad Change

    I did not know about MX mode, and changed my rear pads like I did on my 13 cx-5. I turned the piston in a little bit, then pushed compressed the piston. The parking brake works fine. But my first couple of presses on the pedal, I get this weird winding down noise. Did I damage the EPB?
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