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is hydraulic floor jack oil same as brake fluid ?

Discussion in 'The Hokey Ass Message Board' started by beaulieu, Sep 9, 2008.

  1. beaulieu
    Joined: Mar 24, 2007
    Posts: 359

    from So Cal

    does anyone know if you can use brake fluid in a hydraulic floor jack ?

    it seems like it should be the same stuff but I am not sure,
    is there a hydraulic only fluid ?

    thanks for the info, I am sure I am not the only one wondering :)

    Last edited: Sep 9, 2008
  2. no ... most floor jacks use an ISO 32 hydraulic oil ... using brake fluid, tranny fluid, or motor oil will screw up the seals.
  3. weemark
    Joined: Sep 1, 2002
    Posts: 766

    from scotland

    no brake fluid normally ruins the seals for some reason. use hydraulic fluid - should be easy to find and is cheap.
  4. beater32
    Joined: Mar 23, 2008
    Posts: 319


    I use air-tool oil.No probs
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  5. BigNick1959
    Joined: Oct 23, 2006
    Posts: 639


    I just asked a friend last weekend what he used in his jacks and he said he's used ATF for years. I guess if your going to the store anyway, how much more $$ can hydraulic cost then ATF.
  6. I used ATF in a Walker.

    Took 20 years before the leaks started.

    None of the 4 jacks leak now, but if one did I'd probaby replace the factory oil with USA made jack oil.
  7. King Tut
    Joined: Jul 11, 2007
    Posts: 72

    King Tut
    from Chicago

    Ive always used hydraulic jack oil and never had a problem..My Craftsman jack is over 25 years old and still going strong..with proper maintenance it should last a 100 years!!!!!!!!!!

  8. fab32
    Joined: May 14, 2002
    Posts: 13,990

    Member Emeritus

    I had a hydraulic and air tool repair business for a number of years and the most common reason for having jacks go bad was the use of brake fluid. The reason has already been stated.................JUST REMEMBER IT:cool:

  9. 32 weight hyd oil is what you want,any hyd repair shop would probly give you enough for your jack,have a nice day
  10. beaulieu
    Joined: Mar 24, 2007
    Posts: 359

    from So Cal

    thanks guys ,,,,,
    I get it....NO BRAKE FLUID...


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