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Hydraulic Liftgate not staying up

Discussion in 'Heavy Equipment' started by berlincam86, Feb 5, 2014.

  1. berlincam86

    berlincam86 Member
    Messages: 59

    Ok so I bought a eagle Liftgate for my truck. Didn't have the pump, hose and cylinder in it. Found those parts used put them in but the Liftgate bleeds down. Is it because I'm using transmission fluid instead of hydraulic fluid? Or is the release valve slightly stuck open? It's a gravity down/power up type of lift.
  2. TJS

    TJS PlowSite.com Addict
    Messages: 1,440

    Your release has an issue. I have a tailfate lift pump and have to look at it. I think there is a oneway valve that needs to be there too.
    Last edited: Feb 5, 2014
  3. berlincam86

    berlincam86 Member
    Messages: 59

    Ok I'll look into it. So the tranny fluid should be fine to use?
  4. berlincam86

    berlincam86 Member
    Messages: 59

    I finally got around to working on it. It was the release valve. I took it out and the tip of the valve is threaded with a locknut. It came loose and the tip loosened so the valve inside wasn't sealing. I tightened it all up and it works great no more problem. Thanks for the help.