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Allison gears

Discussion in 'Technical Discussion' started by G650driver, Jun 14, 2014.

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  1. G650driver, Jun 14, 2014
    #1
    G650driver

    G650driver New Member

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    I've been told that my Allison's have been over serviced meaning too much oil. Is this something that needs to be fixed before I operate the boat or can I put it off for a while? Ive been told that it will do no harm but am I risking anything?
  2. Capt J, Jun 14, 2014
    #2
    Capt J

    Capt J Senior Member

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    Pump some of it out.

    How much extra oil do they have? If it's a little I wouldn't worry about it. But the level is supposed to be checked while the engine is idling.
  3. Capt Ralph, Jun 15, 2014
    #3
    Capt Ralph

    Capt Ralph Senior Member

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    Over oil will cause the oil to foam AND, foaming oil will reduce oil pressure.
    Would you care to add this data to your other post for those trying to be of some help FOR YOU??
  4. G650driver, Jun 15, 2014
    #4
    G650driver

    G650driver New Member

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    They are about half a quart high I would guess. It's hard to say.
  5. K1W1, Jun 15, 2014
    #5
    K1W1

    K1W1 Senior Member

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    Hi,

    Reduced Oil Pressure can and does cause clutch slipping, not very easy to detect at first
  6. G650driver, Jun 15, 2014
    #6
    G650driver

    G650driver New Member

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    Thanks guys! Sounds like I need to get it out of there soon. I guess removing the filter might be the easiest way?
  7. Capt J, Jun 15, 2014
    #7
    Capt J

    Capt J Senior Member

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    Half a quart should not cause any problems. What pressure are you seeing?
  8. G650driver, Jun 16, 2014
    #8
    G650driver

    G650driver New Member

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    I don't have a gauge for that so I'm kinda blind. I tried to pump some out with an oil change pump and they blocked me at both ends, where the dip stick goes in and where you add. The little hose the size of a pencil won't enter. I wonder why???
  9. Capt Ralph, Jun 28, 2014
    #9
    Capt Ralph

    Capt Ralph Senior Member

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    Any updates?
  10. G650driver, Jul 3, 2014
    #10
    G650driver

    G650driver New Member

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    Updates

    Sorry. I've been away from the boat. Both pressures are 125. I found my gauges.