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  1. #1
    Cadet OC Rider's Avatar
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    Default Mercruiser power steering

    I have a Mercruiser 4.3 and i changed the oil last week and want to add power steering fluid this weekend but not sure what to use. Can i get some help. Thanks.

  2. #2
    Rear Admiral Fishermark's Avatar
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    Default Re: Mercruiser power steering

    I don't know what you have (other than a Mercruiser 4.3) - but if you are just needing to add power steering fluid to your power steering pump.... then you use power steering fluid.

  3. #3
    Senior Chief Petty Officer
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    Default Re: Mercruiser power steering

    duh. power steering fluid.

  4. #4
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    Default Re: Mercruiser power steering

    I figured it's power steering fluid but what kind. I've seen some threads showing ATF type F, Dexron, Dexron ll and i even saw one that said to use 10-30 motor oil.

  5. #5
    Moderator Bond-o's Avatar
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    Default Re: Mercruiser power steering

    Ayuh,.....

    P/Steering systems,+ Trim systems are the simplest of Hyd. systems,....

    They'll run Just Fine on about Any Oil you pour into them,.....

    That Said,.....
    Just match the Color of what's in it Now.....
    If it's Red,.... Use ATF.... Any of them.....
    If it's Brown,..... Use Motor oil.......
    Any Grease is Better,..... Than No Grease at All.......

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