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Thread: Break-in/first oil change on 2.5T

  1. #1
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    Break-in/first oil change on 2.5T

    I scooped a 2019 Sig last night. Can't find anything about break in period in manual, or doing the first oil change early. Anybody know what the deal is?

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    Break-in/first oil change on 2.5T

    You will find different voices giving you advice.
    Some will say do it at 1K. Others at 3K and you will find some, as me, who did it at 5K.
    Followed the instructions on the manual for the first 1-1.5k to drive it at different speed, not keeping it constant for many miles.
    Choose a mileage that you feel confortable with and enjoy the ride on your new car![emoji3]

  3. #3
    Structural Member shadonoz's Avatar
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    Conventional wisdom is that it's not as important as it used to be due to better manufacturing.
    It's odd that you can't find it in your manual.
    Here's what my manual says:
    Break-In Period
    No special break-in is necessary, but a
    few precautions in the first 1,000 km
    (600 miles) may add to the performance,
    economy, and life of the vehicle.
    ***Do not race the engine.*
    **Do not maintain one constant speed,
    either slow or fast, for a long period of
    time.
    * **Do not drive constantly at full-throttle or
    high engine rpm for extended periods of
    time.
    ***Avoid unnecessary hard stops.*
    **Avoid full-throttle starts.
    * **Do not tow a trailer.

    Should be similar for the turbo.

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    There's a maintenance schedule A and B in the 2019 owner's manual and the break-in advice cited above^^. Just like in every other Mazda O/M printed in the last 15 years. Sounds like someone needs to spend some quality time reading this book.

  5. #5
    ZOOOOOOOOOM ZOOOOOOOOOOOM mazdadude's Avatar

    '16.5 Mazda CX-5 Touring AWD, '05 PRIUS

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    Quote Originally Posted by Skittles View Post
    I scooped a 2019 Sig last night. Can't find anything about break in period in manual, or doing the first oil change early. Anybody know what the deal is?
    Yep as suggested, no racing, steady rpm driving, hard braking, full throttle takeoffs, etc. until 600 miles.

    There is no reason to change oil early. The MAZDA MOLY oil installed from the factory is as good as it gets. Leave it in there until your first normal change mileage.
    Mazda's I have owned over the years. (boom07)
    80' Mazda GLC SPORT MT - sold
    81' Mazda 626 DX MT - sold
    81' Mazda 626 LX AT - sold
    82' Mazda 626 DX MT - sold
    82' Mazda 626 LX AT - sold
    85' Mazda 626 LX MT - sold
    87' Mazda 626 GT Turbo MT - sold
    85' Mazda RX-7 GSL-SE MT- sold
    87' Mazda RX-7 Turbo 2 MT - sold
    91' Mazda Protege LX MT - sold
    92' Mazda MX-5 Miata MT - sold
    93' Mazda MX-3 GS-V6 Special Edition MT - sold
    00' Mazda 626 LX-V6 MT - sold
    02.5' Mazda Protege5 MT - sold
    92' Mazda MX-5 Miata MT - sold
    06' Mazda 5 Touring AT - sold
    13' Mazda CX-5 Touring AT - sold
    14' Mazda 3i Grand Touring MT - sold
    15' Mazda CX-5 Touring AWD AT - sold
    03' Mazda Protege5 AT - sold
    09' Mazda Mazdaspeed3 GT - sold
    16.5' Mazda CX-5 Touring AWD AT - current

  6. #6
    Gen-1 Kodo Design 👌 ColoradoDriver's Avatar
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    Per owner's manual:

    No special break-in is necessary, but a few precautions in the first 1,000 km (600 miles) may add to the performance, economy, and life of your Mazda.

    Do not race the engine.
    Do not maintain one constant speed, either slow or fast, for a long period of time.
    Do not drive constantly at full-throttle or high engine rpm for extended periods of time.
    Avoid unnecessary hard stops.
    Avoid full-throttle starts.
    Do not tow a trailer.
    2014 CX-5 Touring AWD 2.5L | Jet Black Mica - 84k miles
    01/2013 build | 4/20/2013 delivery

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    I am going to change my oil at 2K miles, for the first change. The only thing it can hurt is my piggy bank. I know it is not necessary but I feel like I want to get break in particles out of the oil pan.

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    Quote Originally Posted by MyFirstMazda View Post
    I am going to change my oil at 2K miles, for the first change. The only thing it can hurt is my piggy bank. I know it is not necessary but I feel like I want to get break in particles out of the oil pan.
    Ive done similar. Cant say if it did good or bad, but it made me happy and its my money, sooo...

  9. #9
    Registered Member yrwei52's Avatar
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    Arrow Break-in/first oil change on 2.5T

    All new CX-5 owners should utilize "Flexible" schedule for the oil change. It's set to this way from factory and recommended by Mazda unless your dealer changed it to "Fixed". Oil life monitor is there for the reason and do check your Maintenance Monitor or Vehicle Status Monitor making sure it's set to "Flexible" on "Oil Change" when you pick up your new CX-5, turbo or not.

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    Quote Originally Posted by yrwei52 View Post
    All new CX-5 owners should utilize "Flexible" schedule for the oil change. It's set to this way from factory and recommended by Mazda unless your dealer changed it to "Fixed". Oil life monitor is there for the reason and do check your Maintenance Monitor or Vehicle Status Monitor making sure it's set to "Flexible" on "Oil Change" when you pick up your new CX-5, turbo or not.
    It'd be interesting to see how far the Flex schedule allows the turbo to go on an oil change. On my '16, the Flex setting allowed me to go past the 8500 mile mile on an oil change...a tad high for the first oil change IMO.

  11. #11
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    Getting my first Mazda (since 2012) next week but...I*m not sure Mazda has anything similar but Honda engines come off the line with a special additive in the oil and they specify you must not do first oil change until a specific # of miles.
    Last edited by kone; 12-22-2018 at 10:14 AM.

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    Quote Originally Posted by SEÑOR MAZDA View Post
    You will find different voices giving you advice.
    Some will say do it at 1K. Others at 3K and you will find some, as me, who did it at 5K.
    Different opinions abound regarding this subject, for sure.
    Personally, I'm still old school on this subject, meaning I support an early first oil change.
    I agree that the manufacturing processes are certainly better today than in the past, but in my own mind, I still felt better about changing my oil early and getting rid of any contaminants that may be left over from the engine build.

    As far as breaking it in, you just need to use some common sense in the first thousand miles or two.
    Don't push it, is the easiest way to say it. No hard acceleration, high revving, rabbit starts, hard stops, etc. Pretty much what the manual says.
    Enjoy.

  13. #13
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    Quote Originally Posted by kone View Post
    Honda engines come off the line with a special additive in the oil and they specify you must not do first oil change until a specific # of miles.
    Yup, Honda wants to make sure you get plenty of gas mixed in with the oil before you change it.....lol

  14. #14
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    Quote Originally Posted by Buzzman12 View Post
    Yup, Honda wants to make sure you get plenty of gas mixed in with the oil before you change it.....lol
    Whelp I can*t argue with the engine longevity I*ve gotten from all the Hondas I*ve owned. If the Mazda gets 75% of the miles I*ll be happy.

  15. #15
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    The two other things I do during break in is, let it idle a little longer to warm up, especially since it is winter and cold now. About two minutes. Then drive it to reach normal operating temperature. The grocery store is so close to me that I now go the long way to get there. And I let it idle for 20 seconds or so before turning it off. Again it is not necessary to do this, but it can't hurt and might be beneficial in the long run.

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