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  1. #1
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    Power trim / tilt "leak-down"

    I have a '95 Johnson 130 HP outboard that had seen very little use up until I bought it about 6 mos. ago. The motor runs like a champ but there is an annoying problem with the power trim. If the motor is trimmed up, it will slowly "leak" down until it is trimmed down.

    For example, if I trim the motor all the way up (while off), it will slowly (over the course of ~10 minutes) drop back to trimmed down. Also, if I trim it level while underway it slowly finds its way back to trimmed down.

    I don't see this problem mentioned in the troubleshooting section of my Seloc manual. I'm wondering if this is something I could fix myself and if someone could point me in the right direction.

    EDIT: I should mention that it isn't physically leaking any fluid externally. It just seems that fluid is bypassing some sort of valve or piston internally which it shouldn't be.

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  3. Member
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    #2

    Re: Power trim / tilt "leak-down" (bassclown)

    Try this, let the gercase down on a piece of wood so you don't damage the gearcase, look on the left side stern bracket there is a hole marked manual release....... in it there is a slotted screw, turn the screw counterclockwise about 2 or 3 turns, hit the up trim button for 30 seconds (the motor should not move, if it does turn the screw 1 more turn) try it again..... then hit the down button for 30 seconds, tighten the manual release screw, trim it up and see if leaks.

    If it still leaks have a dealer look at it, the trim unit has a bunch of pressure in it and if you are not careful you could be hurt.

  4. Member
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    #3

    Re: Power trim / tilt "leak-down" (RUSTY63)

    Thanks for the tip RUSTY63 and for the expertise you provide in this forum.

    I tried what you suggested and the problem persists.

    The local dealer does good work but tends to be slooow turning work around. Not wanting to give up my boat for a month mid-season, would there be any harm in putting this off until winter (beyond the obvious small annoyance of having to trim up periodically).

  5. Member
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    #4

    Re: Power trim / tilt "leak-down" (bassclown)

    None I can think of.

  6. Evinrude/Johnson Motors / SC Club Moderator ChampioNman's Avatar
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    #5

    Re: Power trim / tilt "leak-down" (RUSTY63)

    Did you check your resevoir fluid level? CM

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    #6

    Re: Power trim / tilt "leak-down" (ChampioNman)

    Is there a trick to this, I have tried bleeding mine and it has more air now than before I started. Is there a certain position the motor needs to be at when I bleed it i've tried different ways and still no luck, and what do you need the wood for?
    Thanks in advavce for you're help


    Modified by crf34 at 7:46 PM 6/6/2005

  8. Evinrude/Johnson Motors / SC Club Moderator ChampioNman's Avatar
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    #7

    Re: Power trim / tilt "leak-down" (crf34)

    When you check the fluid, fill it then quickly screw in the plug. then follow Rusty's bleed proceedure. When you do the fill check make sure you are on the trailering bracket on the motor.

  9. Member
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    #8

    Re: Power trim / tilt "leak-down" (crf34)

    The block of wood is so the gearcase does not touch the ground, Nobody likes a scratched skeg, The idea behind the "Bleeding process" is to remove the air internally, this is my process and has yielded some positive results.

    Trim the motor down GENTLY on a block of wood, back the Manual Release valve out counterclockwise about two turns on a FastTrack midsection, hit the up trim button, if the motor moves....Back the Manual Release valve out another turn, the motor should not move during this process, when the motor can be trimmed up without any movement hold the trim up button for 30 seconds, then push and hold the down button for 30 seconds, re tighten the Manual Release valve and see if this has removed the air.....This will not work on a trim unit that has any internal problem.

  10. Member
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    #9

    Re: Power trim / tilt "leak-down" (RUSTY63)

    So, I finally got this into the shop a few weeks ago. They called me today to tell me that every component they checked in the trim and tilt looks very good but their 2 hours of diagnostics have failed to find the source of the problem.

    Suggested course of action was to replace with a used unit at a cost of $400 plus labor (plus labor for the diagnostics). The used unit they have was used in salt water and I'm hesitant to swap out my little-used never-in-salt-water unit for that.

    Is rebuilding these units cost-prohibitive? I recall seeing rebuild kits for about $250.

    The other option is to go with a brand new unit for ~$1000 plus labor plus the diagnostics they already did.

    Any suggestions for a fisherman of modest means? A new unit installed would constitute about 40% of the total value of my rig.


    EDIT: And alternately, I suppose I could just live with the "leak down" if it isn't harming anything.

  11. Member
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    #10
    BassClown,
    How did you make out on this issue? Did you buy the rebuild kit or did you let them put on the other salt water unit for $400?

    Sounds to me they didn't want to spend any more time on it trying to find the problem, the easiest thing for them was to put on a unit that they had.

  12. Member
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    #11

    Re: (Airxsteel)

    This is exactly the same issue I am faced with on my boat too. I can't afford that kind of money these days AND I am not too sure that the dealer just wants to SELL me a new unit instead of trying to repair what I have now. Minbe is doing the same exact thing as the one described in this post. It works fine going up & down but will slowly go back to the normal settings on it's own. So far I am not able to find out any info about my trim unit as I'm told (by the dealer of course) that it's an after market unit & they have no way of knowing who it's made by or where to get parts for it. It's on a 1984 Johnson 50 hp with model number J50TLCRM. I"m told it is a commericial rated engine. It runs absolutely great & the only problems I'm having is the trim unit & the tach doesn't work at all.

  13. Member
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    #12

    Re: Power trim / tilt "leak-down" (RUSTY63)

    would this procedure work for a merc? I have an 87xr2 150 hp, that does the same thing. It actually got worse after adding fluid. I would like to try it. The merc boards showed nothing when i searched "tilt" or "trim" honestly they dont show much of anything when i search for common things. most of the replys are on the evenrude or yamaha boards . Thanks :)

  14. Evinrude/Johnson Motors / SC Club Moderator ChampioNman's Avatar
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    #13

    Re: Power trim / tilt "leak-down" (grendle)

    Yes,
    I just did a 200 of your vintage era. Some moron used tranny fluid as a substitute for the trim fluid. I removed it with a shop vac and a hose into the reservoir. Filled with a pint of correct fluid. I used OMC/BRP TnT fluid. YOU MUST Trim up fully and secure the motor with the trailer bracket. Then pull the reservoir plug and add fluid if needed. Release the manual release screw about 4 turns and with out lifting the motor off the trailer bracket run the up/down process. Pop the cap and add/fill as needed. Takes about 20 minutes to make it work. Then trim it down on to the 2 X 4 and repeat the up/down with the manual screw out.

  15. Member
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    #14

    Re: Power trim / tilt "leak-down" (ChampioNman)

    gave it a shot, still leaking down though. Guess a rebuild is in the future. fun fun fun

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