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  1. #1
    Race, wreck, repeat delagem's Avatar
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    Squeaky driveline?

    Occasionally I hear this hi pitched "wheeee" sound as soon as the 2000 SLX is started for the first time each day. It is so steady several people have mistaken it for an alarm. One quick blip of the throttle and the noise is gone for the day; it usually reappears when I have put the ski on the trailer, and start the motor to clear the exhaust at the end of the day.

    I pulled the pump, found one of the bearings "freewheeling" and one of the seals totally destroyed, so I did a full rebuild on the pump.

    Unfortunately, the "wheeee" sound is still there, same as always. Greasing the driveline didn't change anything, either.

    My next thought is the thru-hull bearing,. But I thought I'd seek input before I go to the trouble to pull it. I'm curious as to what's in there. It's got 2 bearings, part #10, but it only costs $3 each? Obviously not a roller bearing....

    Anybody have any input?



  2. #2
    Derwood98's Avatar
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    Do you have any leaks into the boat? Have you greased both grease fittings? I found the fitting on mine so rusted that it needed to be replaced as I was not able to push any grease into the fittings. They say the squeeky wheel gets the oil. If you have a squeek, you need some grease before you damage the bushings.

  3. #3
    Moderator beerdart's Avatar
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    There is only a brass bushing and seals in the carrier. My guess is your pump bearings I like to remove the bearing cover/seals and flood the cavity with a slurry of grease and thick oil. If you still here the whine it maybe a main on the way south.

  4. #4
    Derwood98's Avatar
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    I cannot speak specifically to this machine, but mine has two seals and two bushings in the shaft bearing asm going through the rear shaft seal. That needs to be packed with grease to keep the water seal. Pump bearings are a possibility, need to pull the impeller off to find out. I too pack them with grease to keep the water out.

  5. #5
    Moderator beerdart's Avatar
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    Quote Originally Posted by Derwood98 View Post
    I cannot speak specifically to this machine, but mine has two seals and two bushings in the shaft bearing asm going through the rear shaft seal. That needs to be packed with grease to keep the water seal. Pump bearings are a possibility, need to pull the impeller off to find out. I too pack them with grease to keep the water out.
    What I am referring to is to remove the stock sealed bearing seals to expose the balls. That way the slurry is free to pass through the bearings in the pump.

  6. #6
    Derwood98's Avatar
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    See, you are talking about the pump, I am talking about the shaft seal on the boat. Apples and oranges.

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by beerdart View Post
    What I am referring to is to remove the stock sealed bearing seals to expose the balls. That way the slurry is free to pass through the bearings in the pump.
    Do you re-install bearing race sealing rings afterwards, or leave the balls exposed in the races?

  8. #8
    Moderator beerdart's Avatar
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    Quote Originally Posted by K447 View Post
    Do you re-install bearing race sealing rings afterwards, or leave the balls exposed in the races?
    I leave the balls exposed so the slurry can pass through.

  9. #9
    Derwood98's Avatar
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    Mine looked like sealed bearings.

  10. #10
    Moderator beerdart's Avatar
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    Quote Originally Posted by Derwood98 View Post
    Mine looked like sealed bearings.
    Correct remove the seals with a small pick and discard.

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