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  1. M

    Snapped the dreaded Mercruiser transom Drive Lube Fitting....

    Yup, this job sucks! Here are my tricks. 1/2" drill bit from the outside of the boat, (MerCruiser was nice enough to put a little dimple right in the middle) drill until the head snaps off (don't damage the gimbal housing) now push the stem that's left into the boat. This will make it much...
  2. M

    Penta V6-280 alarm in with DTCs 1155 and 1157

    Late to the party here and glad @parsenault seems to have found the problem. I will second the need for good battery power on these newer engines. At Volvo and Mercury tech schools they really push having the correct fully charged battery with recommended CCAs. One of the instructors told me...
  3. M

    Volvo diagnostic port

    Yes, very interesting! S/N, product number and engine designation comes up as an 2003-2005 engine. This would be a MEFI controller. The picture posted shows a EGC controller. The picture of the DLC connectors show a normal MEFI connector and the scan tool side of a EGC connector. I seem to...
  4. M

    Bearing carrier tool for 2001 9.9 2-stroke

    google "mercury 91-13664"
  5. M

    Mercruiser 5.0 MPI - Constant beeping

  6. M

    Mercruiser 5.0 MPI - Constant beeping

    Agree this looks like a ECM 555. Didn't post a serial number and I'm not smart enough for year to mean much. So this is off the top of my head. The ECM 555 controls the warning horn, so any single wire sensors will be for analog gauges only and have nothing to do with the warning horn. There...
  7. M

    Looking for any suggestions

    Unfortunately this is just a snapshot of a moment in time, it really isn't very useful without knowing what came before and after it.
  8. M

    Looking for any suggestions

    I didn't know you were spending all this time and money without having the correct manual. You may want to rethink this, The correct manual and a scantool would have probably saved a lot of both. This is the manual we used in Crusader MEFI class. I have been to MerCruiser, Volvo and Crusader...
  9. M

    Looking for any suggestions

    The sticker on the side is the important one.
  10. M

    Looking for any suggestions

    This makes it difficult. It seems that the long block has been replaced. That's a long block only set of three numbers, it doesn't tell us anything we need to know about how the engine was "dressed" This long block was used in many models, unfortunately the 5.7GXi-A wasn't one of them. Either...
  11. M

    Looking for any suggestions

    not a volvo penta serial number. maybe take a look at this? https://www.volvopenta.com/en-us/your-engine/find-your-serial-number/
  12. M

    Looking for any suggestions

    What is the engine serial number?
  13. M

    How often do you change your bellows and shift seal?

    Welcome to iBoats @gerrydoc826 a couple of things, It's best to start your own thread === you will get better advice! Please take a look at this link, https://forums.iboats.com/threads/how-to-ask-a-question.218631/ There is a huge difference between models, NO ONE can give accurate advice...
  14. M

    Mercury Sterndrive Trim Relay Fault Code

    This is a critical fault! Always address critical faults first --- will probably fix the trim faults when the low voltage is taken care of. Serial numbers might help, but I've never worked for a MerCruiser Diesel dealer and never seen these engines. Not even sure if I could access the manuals...
  15. M

    bravo III milky oil but holds pressure for days

    Year doesn’t help me. Too many mid year changes and drives get replaced. But if it is a never worked on before 2008, probably due for a complete reseal.
  16. M

    Looking for any suggestions

    Agree to start with fuel pressure. low side 8psi ± 4 high side 29psi ± 2 Watch injectors with a timing light. You can get a much better look at the pattern. If you suspect the ECM is overheating --- get a couple of cans of compressed air (air duster for keyboards) when the engine shuts down...
  17. M

    Impeller Job - Mating Surface Corrosion

    Yes with that date code, I would use it and disregard everything I said about color! It's probably been over 10 years since I did a Gen2 impeller. Now you got me second guessing myself. Maybe it was the blue ones that were garbage? ---- sucks getting old. Make sure you clean the drive shaft...
  18. M

    bravo III milky oil but holds pressure for days

    @2004 searay didn't post a serial number so don't know what the weak points of his Bravo 3 version. They had different issues over the years. Yes there is a problem with leaking, no it won't heal itself. I've seen many techs pull fish line out of prop shaft seals (and been guilty of doing it...
  19. M

    Impeller Job - Mating Surface Corrosion

    Yes, very light coat on elbow gasket both sides and light coat on those 2 bolt threads. Will help next time you have to do this job. Nothing on carb and manifold to head. Clean bolt threads and the holes they go into, install dry. Torque wrench is useful, none of these get tightened as much as...
  20. M

    bravo III milky oil but holds pressure for days

    At Merc school they teach us "push-pull. wiggle-wiggle, turn-turn and shift-shift anything that moves". Remember that the drive must be completely drained during testing. Very important! Have you pulled the drive to check for water in the bellows? The first couple of years of the Alpha One...
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