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SHAFT BOX


SPEEDRACERV

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I know that Malibu used a weird "box" that the shaft ran thru for some years. Can anyone elaberate on this "Box" its maintenance and trouble shooting, I seem to have noise comming from that area randomly.

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6 hours ago, SPEEDRACERV said:

I know that Malibu used a weird "box" that the shaft ran thru for some years. Can anyone elaberate on this "Box" its maintenance and trouble shooting, I seem to have noise comming from that area randomly.

Google "HDS"  and "Hydrphonic Dampening System"

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I believe the box you are talking about is where the shaft goes thru the hull.   My understanding is that its purpose is to reduce noise.   on my 98 sunsetter lx I had a problem with it leaking but not a noise problem.   Having taken it apart to recaulk I don't see how it would cause noise.   The packing on the shaft, the bushing the prop shaft goes thru or damage to the prop itself would more likely be the cause of noise I would think.

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