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  1. R

    Drive shaft U-joints on Alpha 1

    1992 4.3L with Alpha 1<br /><br />I pulled the outdrive off today due to a 'knocking only while turning left or right' noise. My initial inspection shows no obvious wear and the coupling feels tight. The gimbel bearing seems to be in good conditions and spins smoothly with no play. <br /><br...
  2. R

    Mercruiser Alpha One Steering Noise/Knock

    I have a 1992 Alpha One drive in my Baja boat. When I turn either left or right there is a clicking/knocking noise coming from the outdrive. This noise only occurs during turns and does not occur when driving straight. The more extreme the turn... the more extreme the noise. I have been told...
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