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Thread: Video Cleaning Intake valves CX 5 Skyactiv Gasoline engine

  1. #46
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    Mazda CX-5 Grand Touring AWD

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    How did you rotate the engine to close the #1 and 3 cylinders?

  2. #47
    i-ACTIV AWD Aficionado Kedis82ZE8's Avatar
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    '15 CX-5 GT AWD w/tech

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    OP: Thanks for video.... I guess I need to add this to maintenance list.... kinda looks like a PIA but a lot cheaper than taking to someone for a walnut blast session.
    '15 CX-5 GT 2.5L w/tech package - Liquid Silver Metallic (04/2014 build-07/2014 delivery) - 45K Miles

  3. #48
    Registered Member Kaps's Avatar
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    My only recollection of hand cleaned intake valves included 2-3 hours of scrubbing and using CRC for 10-15 minutes between intervals to loosen stuff out. Along with a metal bristled brush - lot of hardwork. If you were able to clean out with a toothbrush - does that mean the deposits were not too rigid or too hard?

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  4. #49
    Registered Member CX-5um's Avatar

    13' CX-5 and 16' Mazda6 both Touring w/Tech/Bose

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    Quote Originally Posted by Rathfriland View Post
    How did you rotate the engine to close the #1 and 3 cylinders?
    This is the only thing from stopping me from doing this project= not knowing how to rotate the engine. A strong light allows you to look inside to determine which cylinders are closed. Perhaps I can clean 2 now and cross my fingers and get the other 2 cylinders closed later on LOL

    Quote Originally Posted by Kaps View Post
    My only recollection of hand cleaned intake valves included 2-3 hours of scrubbing and using CRC for 10-15 minutes between intervals to loosen stuff out. Along with a metal bristled brush - lot of hardwork. If you were able to clean out with a toothbrush - does that mean the deposits were not too rigid or too hard?
    The benefit from the toothbrush is no small metal bristles would fall off. Plastic toothbrush bristles usually don't fall off. The downside is less scrubbing power...........aahaaaaaaaaaa. How about an electric rotating toothbrush

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