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    Those darn blue VP drain plugs

    I have one of these drain plugs in each exhaust risers as it's closed cooling. Went to screw one back in getting ready for initial startup and it snapped. Looked at the other one and it snapped unscrewing it in the fall but I did not notice. Do they not last very long? Cheap plastic? Blue...
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    Exhaust Manifold and Riser - HOT

    What year? I agree get a IR temp gun. The engine temperature gauge is measuring the temp of the cooling system in the engine. Remember the engine has a impeller for raw water and a water pump that recirculates the water through the engine. Closed cooling? If it's a engine that you can...
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    2018 V6 200 J Oil pressure dropping and alarm

    Oil pressure sensors on cars and boats seem to fail more than one would expect.
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    Fuel Lines

    Fuel line needs to be USCG rated.
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    2007 Volvo Penta 5.0gxi - no compression in # 4 cylinder

    If I was the mechanic I might suggest the customer go for what I was positive would solve the problem. If he said too much $$ then we could talk about option that might involve labor to take things apart to investigate further. He could be too busy and a new long block would take the least...
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    2007 Volvo Penta 5.0gxi - no compression in # 4 cylinder

    Well I think the mechanic is playing it safe. At your expense. Certainly the head needs to be pulled and inspected. The piston is aluminum and the valve is steel. The crankshaft is heavy & steel and is not going to be flattened easily. The crankshaft can be ground also. I think there is...
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    Duoprop hub replacement ?

    Get a prop shop to do the work.
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    New to a vp

    The gas tank has a gas line going to a gas filter hopefully, a gas line to a vent, a gas gauge sender and large fill hose. Drain the outdrive into a clean container so you can inspect for water & metal shavings. Pull the drive. You need to check the gimbal bearing, alignment and grease the...
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    2018 V6 200 J Oil pressure dropping and alarm

    I hope you are using the dipstick with respect to checking the oil level not by going by the manual and adding xx QT of oil as listed in manual. Manual is a starting point, the final say. Forget any oil additives. Hopefully you have lots of money so spending $500 or $600 on a Dicom scan tool...
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    marine engine mystery

    Prop hube or coupler. But usually once a prop hub slips it will never work OK until it's repaired. These tests you have run have same number of people on board and roughly same amount of fuel?
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    New impeller but now no cooling

    The engine ran fine before with respect to cooling? How long ago? Old impeller was intact? No rubber parts broken off and now somewhere in the engine? Does it have a flush adapter on the engine you can connect a hose up to and give it a try? Flush adapter cap tight so it cannot suck in air...
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    1995 Marada MX3

    I would guess it's a GM engine. Why did it crack, overheat or not winterized? The easiest way to move forward is to get a reman marine engine. I would not try to use a car or truck engine.
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    FELL Marine MOB+ Install

    Glad my boat is 27'
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    2008 8.1 Gil Fault Codes

    Rinda.Com sells the Diacom. Make sure you get the right connectors. Contact the company to verify the proper connector. They are very helpful. I bought an inexpensive 11" Acer laptop to run the software on. You may need a long enough cable to get the laptop into the cabin so you can read...
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    Volvo Penta Drive Belt - Lots of dust and quickly wearing??

    I think fellow boaters would appreciated less draw from your amps in the form of music not so loud. A refrig probably draws more than your amps if you have a 12V one. A 70 amp alternator will only put out 70 amps at a certain RPM range. If you are really drawing a 70 amp load then not sure...
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    Volvo Penta 5.7 no spark

    What year engines does the SB cover?
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    Volvo Penta 5.7 no spark

    The Diacom while a great product cannot diagnose everything. Sometimes you need a DVM or scope. On my 2012 the check engine light will light up indicating a problem that the Diacom can then diagnose.
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    Volvo Penta 5.7 no spark

    I have the Diacom and a small laptop. For a 2012 VP engine. I think the Diacom with a laptop provides more functionality than the dedicated device. This will not be the last time you will need to get diagnostics from your VP engine.
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    Trim sender: 2-wire or 3-wire?

    I would try and do as much diagnosis as I could by measuring resistance. And also measure while the drive is going up and down and see if it changes resistance nice and evenly or jumps around while changing resistance.
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    Taking suggestions 5.7 Vortec

    Why isn't the place you got the engine from taking ownership of the problems, identifying the problems and fixing them?
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