Recent content by jlazzfp


  1. J

    Tamd 74 Diesel engine dies while on throttle

    Sorry for the late response but haven’t logged on for a while. I hope you resolved your issue. problem is possibly in the relays. There is a black box on the engine. One of the relays could be bad. Let us know.
  2. J

    Fluctuating voltmeter and EDC issues

    I took a 50 mile trip this weekend and on the way I watched my starboard voltmeter start fluctuating but not low it was going higher than usual and dipping back to normal. When I reached my destination I shifted to neutral and then back into forward. The EDC started flashing and there was no...
  3. J

    Tamd 74 control box

    Does anyone know what the relay is for on top of the box next to the fuse. My workshop manuals only tell me what the 3 side relays do. It?s not mentioned anywhere. I changed the other 3 relays but not that one yet. Thanks.
  4. J

    Volvo diesel shifting problem

    Hello, I?ve been having shifting issues on and off with my Tamd74 engines. They occasionally do not go into gear. The boat rides fine once in gear but when trying to dock it doesn?t respond. I know it?s electrical and cleaned all the harnesses I could find. The weirs part is that it?s the port...
  5. J

    Safe Mode RESOLUTION

    Went out today for a ride. Come back in to dock and port engine again no forward! I thought I fixed this issue earlier this season by clearing all pins and connectors but I guess not. Happened to have a friend who?s a mechanic on the dock and he said why don?t we try cleaning the relays in the...
  6. J

    Safe Mode RESOLUTION

    Thanks for the info Divergirl. I believe that is the harness that is involved in the recall where you need to bypass 3 wires in that harness. I hope the photo uploaded.
  7. J

    41 PC AC pump

    Has anyone ever changed an AC water pump on a 41 PC? The one in the boat is the original from 2002. It?s made by Cal Pump. I don?t know what the direct replacement would be. Thanks.
  8. J

    41 pc wet exhaust elbow fitting

    Hi All. I have a 2002 41 pc with tAMD 74 engines. I need to replace the wet exhaust elbow. Here?s the problem. The exhaust end is 5 inches diameter but the fiberglass exhaust pipe from the boat is 6 inches. Currently there appears to be a custom elbow with a welded sleeve to expand it to 6...
  9. J

    37 PC inboards

    My friend is purchasing a 2002 37pc with inboards. Does anybody have information regarding speed and RPMs. What should the boat have as a max RPM? The engines are Mercruiser 8.1. Thanks.
  10. J

    Wet exhaust fitting

    Hello All, I needed to replace my wet exhaust manifolds on the Volvo Tamd74s and ordered new ones through HDI marine. They were cheaper than the Volvo parts and I was told they were exact replacement parts. When my mechanic tried to fit them they would not fit on the exhaust end of the elbow...
  11. J

    Potential purchase

    Hello all. I currently have a 41 PC and possibly looking to upgrade to a 45 yacht. Found one fairly close to my location and seems reasonably priced. The question is, how many hours are too many? The listing states 1200 hours and claims ?Volvo IPS Pods rebuilt and upgraded in 2019 with...
  12. J

    Volvo Penta TAMD74 P-B Engine Owners, 480 hp diesel

    So guess what! I took the boat out today for a nice ride. The engines ran great, no hesitation, no stalling, a perfect ride. That’s until I tried to dock the boat and my port engine wouldn’t go into forward gear! I was able to shift it in and out of gear until it stayed in and was able to dock...
  13. J

    Transmission delay in reverse

    Hello all, went out today for a nice ride and boat performed flawlessly. 2002 41pc with Tamd74p and ZF280A1 transmissions. I have separate controls for transmission and throttles. Came back in and tried to dock. Seemed like I lost the port reverse but took a long time to engage. When I finally...
  14. J

    Fuel tank access 41 pc

    Can anyone tell me where the port fuel tank filler neck would be? I would like to check to make sure it?s not broken since I?m having issues with fluctuating RPMs on the port engine. Thanks.
  15. J

    Engine loosing RPM

    So!! I was having a problem with the port engine loosing power and dropping RPMs at times. I had my mechanic doing some over the winter work and this is what he finds! Im no mechanic but this is supposedly a fuel line crimped beneath my valve cover. Early this summer I had my valves adjusted...
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