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  1. M

    What did I break?

    I found this small metal piece dangling in the bilge, blocking the drain - any idea where it comes from? I can't see anything immediately broken/not working. Aluminum, slightly curved, Mercruiser 3.0.
  2. M

    Clunking/Knocking noise when steering

    I started getting knocking noises when turning the steering wheel, at about 60* either left and right turns. It gets slightly louder as the angle increases. Here's what I did - took drive out, checked the u-joints - they turn smoothly, no play (non-greasable type) - checked alignment - looks...
  3. M

    Knocking sound - what is it? [video]

    Hey folks, I started getting this weird knocking sound last time I went out. Thought it's valve clatter so I did an adjustment (#1 was just slightly loose, but not by much). That didn't fix it unfortunately. Any suggestions what I should be checking next? Mercruiser 3.0 Knocking Sound I'm...
  4. M

    Hard to start unless starter solenoid is shorted

    I'm dealing with this weird situation where the boat is hard to start when using the key, but if I short the 2 main slave solenoid terminals it fires right up. When using the key, the engine cranks fine, but I can barely get it to start after a lot of retries. I checked the small solenoid...
  5. M

    Push Rod Cover Oil Leak

    Hi folks, I'm dealing with an oil leak at the bottom of the push rod cover for a 3.0L. I've replaced the cover gasket (with a cork one) and that fixed the leak around the cover. But now I have oil leaking around 2 of the bolts. Any suggestions on how to deal with that? I'm afraid of over...
  6. M

    Quality Bullet Connectors

    Anyone have a recommendation for good quality, thick, marine-grade bullet connectors? Most of the ones I see online seem to be cheap, thin metal...
  7. M

    Mercruiser 3.0L - Automotive Alternator Equivalent

    Hi all, I needed to have my alternator tested for a Mercruiser 3.0, so I went to Autozone and O'Reillys, but both stores said they cannot test marine alternators without the auto equivalent part number. Does anyone know what that is? The two marine alternators that I have are part # 862030-1...
  8. M

    Ignition Fuse Keeps Blowing - 3.0L

    Hi all, I'm having some weird issues starting a Mercruiser 3.0L recently. Whenever I try to start the engine it blows the 10 AMP ignition fuse after 2-3 seconds. Starter turns 1-2 times then the fuse blows. I thought I have a bad ignition switch so I've replaced that, but that didn't fix it...
  9. M

    Mercruiser 3.0L Gear Ratio

    I have a 3.0L coupled to a Alpha One Gen 2, with a 2.00 gear ratio. Could I switch to another Gen 2 with a 1.94 gear ratio? Is there any part that I need to change?
  10. M

    Drive Shaft Shimming Tool

    Duplicate
  11. M

    Mercruiser 3.0 - Replacing the Starter, What Else to Check?

    I need to replace the starter on a Mercruiser 3.0L, so I'll be pulling the engine. What else should I be looking for / replacing? I'm planning to do the gimbal bearing, bellows and water pump impeller as well.
  12. M

    Alternator Belt Came Off

    I had my boat loaned to this guy and his family and when he brought it back I've noticed the alternator belt was off. The engine/boat was still running somehow, but steering was very hard. None of the front pulleys were turning (the other belt is still attached correctly). What I've noticed is...
  13. M

    Boat Insurance Claim - Does it Affect Auto Rates?

    Does anyone know if making a claim against the boat insurance can cause the auto rates to go up? Do these even show for the auto insurance as past claims?
  14. M

    Mercruiser 3.0 - Which Service Manuals?

    I'm trying to find the manuals for the engine and outdrive for my boat (just need to confirm the latter). Is there any list I can reference to find which one I need exactly? Engine serial is 0L013324 and outdrive is 0L144768. Thanks!
  15. M

    Help Identify Sterndrive Parts

    So I've tried changing my water pump impeller with a kit for my Alpha 1 Gen II. First off, when I've separated the upper from the lower unit, these two metal parts came off. I've looked multiple times in the service manual, but I can't seem to figure out where from. Anyone know? And one more...
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