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    2004 3.0 Exhaust flapper question

    I'll readjust it after it's on the water, I agree, I want it as low as it can be and stable. I was just glad to find that air leak.
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    2004 3.0 Exhaust flapper question

    The oval flapper 60923 worked perfectly, we took the boat out yesterday and it did very good with the exception of the unplugged hole in the new manifold the old manifold didn't have that hole and it caused a vacuum leak, fixed and adjusted the idle so it's on 1000 on the ear muffs. The carbed...
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    Changing manifold on a 2004 3.0.

    https://x.com/cdaubitz/status/1824986303332495548/photo/1 Where there's a will. there's a way
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    Changing manifold on a 2004 3.0.

    Another caveat when changing this manifold on a 3.0. On the side of the manifold close to the stud on the carb base there is a drilled and tapped hole that leads into under the carb intake runner, if it's left unplugged, it's a vacuum leak. It causes a uncontrollable idle and dieseling when...
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    Alpha one gen one installing lower out drive

    another difference in the 2004, the water tube is plastic, there is no copper, just a plastic tube with a curve in it. There is still a white plastic piece that acts as a guide that attaches to the black sleeve with o-rings in it that goes on the impeller cover.
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    Alpha one gen one installing lower out drive

    I had to pay to have mine done, I could do everything BUT remount it. Mine had the plastic water tube, it kept falling out.
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    Help! Overheating 3.0, not impeller or circulation pump

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    Help! Overheating 3.0, not impeller or circulation pump

    hose #13 https://www.perfprotech.com/mercury-marine-parts-catalog/drain-system/assembly/16151/180?model=794
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    Help! Overheating 3.0, not impeller or circulation pump

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    Help! Overheating 3.0, not impeller or circulation pump

    https://www.amazon.com/Quicksilver-860235A04-ASSY-EXH-MERCRUISER-END-RISE/dp/B002IQYGEU it's a hose that's connecting to the manifold drain that's screwed into the manifold bottom. not part of the lower unit. it goes to the hose going to the tstat housing. it's a 1/4" hose with a fitting like...
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    Help! Overheating 3.0, not impeller or circulation pump

    at the manifold drain there are 2 hoses that snap on, follow the one that's NOT the drain hose.
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    Help! Overheating 3.0, not impeller or circulation pump

    on the top of the impeller housing are the black plastic oringed sleeve with a white plastic sleeve that's a guide for a plastic tube that transfers the water up the I/o to the transom , check that tube for a hole in it, ( it just pulls out). Also are you able to drain you manifold. Mine was...
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    Changing manifold on a 2004 3.0.

    on the manifold gasket supplied with the 860235011 Mercury Marine kit, the gasket doesn't fit the ports. if you don't cut out the gasket in the center, it will flap in the exhaust and remove itself weaking the gasket and eventually causing an exhaust leak. Also the manifold kit is missing a 3/4...
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    Changing manifold on a 2004 3.0.

    On a side note, I use West Marine in Tampa near Tyron Mall when I can if they have the part. when I tried on this site at checkout to discover shipping charges I received this error message: "An error has happened during application run. See exception log for details. Could not write error...
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    Changing manifold on a 2004 3.0.

    Sorry, the weight and shipping made the difference. Prime.
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    Changing manifold on a 2004 3.0.

    the gasket came with the manifold: https://www.amazon.com/dp/B002IQYGEU?psc=1&ref=ppx_yo2ov_dt_b_product_details
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    Changing manifold on a 2004 3.0.

    The drain line on my exhaust is plugged. I removed the manifold and have ordered a new one. The line I think is a bypass line that runs from the coldwater supply line coming through the transom from the impeller to the t is where the manifold drain is looks like it pumps cold water into the...
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    2004 3.0 Exhaust flapper question

    That was confusing me because mine had none to compare to and the same part number showed 2 different shapes. Thanks.
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    2004 3.0 Exhaust flapper question

    ok, thank you
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    2004 3.0 Exhaust flapper question

    DW016713
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