07 malibu transmission fluid mistake / issue

Discussion in 'Maintenance & Upkeep' started by justaphase44, Oct 20, 2013.

  1. justaphase44

    justaphase44 Rockstar

    Alrights guys, got a good one here. My sister has a 07 malibu and she accidentally put power steering fluid in her transmission reservoir. :grrrrrr: i know, super dumb. But, now idk the best move to make next. Tow it / drive it to garage and flush trans, possibly replace any gaskets etc? I'm not a trans guy at all, so any help / would be appreciated.
  2. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    I would take it and have it flushed. Although the ps fluid may not harm anything immediately, it does not have the same properties that trans fluid does. It expands at a different rate. Lubricates differently. I would have it flushed and new trans fluid installed asap.

    99'HEARTBEAT MODERATOR Staff Member 5+ Years ROTM Winner 1000 Posts Platinum Contributor

    By chance, Did your Sister mean, that she put Transmission Fluid in the Power Steering Reservoir??...:neutral:
  4. justaphase44

    justaphase44 Rockstar

    Yeah I advised her to flush it asap. Thanks for the info/quick reply pikey.

    No heartbeat, unfortunately she managed to put ps fluid in the trans lol.
  5. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    Ya know, I'm not going to go against what the others have said, but I was wondering how much did she use?

    Both are hydraulic fluids. ATF will have some dye and some additives for longer product life and better lubrication. The ATF is a superior product. But if only a little PSF was added, the net result would not really change the properties of ATF.
  6. GM Customer Service

    GM Customer Service Epic Member 5+ Years 500 Posts

    Oh no! I see that your sister is in a sticky situation with her vehicle regarding putting power steering fluid in here transmission reservoir. Private message if I can be of any assistance.

    Jennifer T.
    GM Customer Care

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