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  1. ESGWheel

    Gauges don't work

    As highlighted, these are daisy chained together and thus if other gauges are working, then is probably not a fuse issue. Example: does the Oil Pressure gauge work? If yes, there is power and ground to that daisy chain. While it may be a the daisy chain connection to these particular gauges...
  2. ESGWheel

    Is my motor healthy?

    Agree hard to compare. Also do not run it long without the belt but that is a good troubleshooting technique. With the belt off grab each pulley and spin it by hand and also try to rock it back and forth (using two hands, put one on each side of the pulley and push with one hand while pulling...
  3. ESGWheel

    Won’t Start in the Water

    Bill, This new info changes everything. Let me explain. A fully charged and properly sized starting battery should last more than 3 or 4 start tries before dying unless (1) you are cranking the heck out of it each time like more than a few minutes (don’t do this BTW) (2) there is an excessive...
  4. ESGWheel

    '99 Volvo Penta 5.0 GL valve cover leak question

    Here is my suggestion: Start by placing the cover on a known flat surface. See if it rocks or is somehow bent. This assumes the red circled item is recessed from the plane of the sealing surface. Assuming all good, get some plumbers putty and roll a thin cord with it like this link. Place this...
  5. ESGWheel

    Transom leak. 4.3l mercruiser with alpha one gen2

    I was not suggesting it was leaking thru the crack. Raher it is an indicator of a more serious issue. It seems as if your mind is already made up, but I will try once more. Imagine the worst case for a minute: that as you throttle up to get up on plane the transom lets go and now you are...
  6. ESGWheel

    Is my motor healthy?

    That is a nice and clean motor. Looks like you take good care of it. However, the video sure sounds awful. I agree that something wrong and glad you are pursuing it. Can you provide more background and info about motor? Is new to you? Routine maintenance done? Etc. Also any issue you had in the...
  7. ESGWheel

    Transom leak. 4.3l mercruiser with alpha one gen2

    In the pic is also what looks like a crack, perhaps just gel coat but given the circumstances, who knows. While we can all appreciate the desire to finish out the season, a leaking boat is no joke and should not be taken out. Next year the missing the rest of this season will only be a faded...
  8. ESGWheel

    Volvo Penta Trim Cylinder issue

    I had a similar experience when I worked at a British Leyland / Fiat dealership back in the 70s. The TR7’s with their pop-up headlights were notorious for failing to pop up (or down). Warranty was short lived back then and these cars would come in by the dozens over the year with failed pop-ups...
  9. ESGWheel

    aq125 cooling problem

    While I am not familiar this motor or its cooling system, I did some minor research > looked at what a new strainer looks like and tired to figure out how its all assembled. It appears that the plastic strainer sits on the heat exchanger and is held down by those two toe clamps. And it looks...
  10. ESGWheel

    Volvo Penta Trim Cylinder issue

    I am going to suggest you have a failed right side cylinder and it spewed debris (like a chewed-up O-ring) and that in turn has clogged the lines. Another alternative is that the hyd lines themselves are the issue > by delaminating its possible they collapsed internally. I think this is less...
  11. ESGWheel

    4.3 lt Mercriser Cranks But will not start on idle and will not idle.

    As folks are suggesting all indications are clogged idle circuits. As AD always suggests > run fishing line thru all the passages to ensure are free and clear. If does not go, use small gauge safety wire. Here is my suggestion: Get yourself another rebuild kit and do again. This time with the...
  12. ESGWheel

    Won’t Start in the Water

    As long as your start up process is the same on the trailer as it is in the water, agree with Scott that it’s a coincidence. The pre-start and run is a good idea but also be prepared to do some trouble shooting in the water. Here is what I suggest: Without the grandkids – so no expectation to...
  13. ESGWheel

    3.0 exhaust manifold over heats

    Ricky, I am just reading thru your leak down post. Agree that best to get a sound motor first > fix the compression issues.
  14. ESGWheel

    1998 Mercruiser 5.7 TBI Backfiring Under Load & Loss of Power

    An acetone test is checking for leaking valves by using a light liquid, like acetone or diesel fuel. Some use gas, I do not recommend that. Its simply pulling the head, leaving the valves installed with their springs and pouring the acetone in the port and looking to see is it leaks. Here is a...
  15. ESGWheel

    1998 Mercruiser 5.7 TBI Backfiring Under Load & Loss of Power

    Got it running > great! At least you can enjoy the rest of the season. How far you go depends on what you want to do and get out of the boat. While its an older boat, you have only had it one year. Does it accomplish what you were hoping for? In other words, do you plan on keeping it for 5...
  16. ESGWheel

    3.0 exhaust manifold over heats

    In reading thru the OP’s post and doing my own research both the OP and I are under the impression that, by design, there is no water flowing in the combination manifold until the t-stat opens (perhaps a tiny bit due to a weep hole). Certainly not the norm that we are all use to, but unless...
  17. ESGWheel

    4.3GL VP Fuel Pump Issues

    While what you suggest is not good for growing old as highlighted, but if you take your idea one step further and add in that safety element, then you are essentially replicating what should be working and is not. But before that route, a couple of thoughts: When the pump is jumped (so it...
  18. ESGWheel

    3.0 exhaust manifold over heats

    Thanks for the background and further explanation. There are a few things going on here only one of which is hot exhaust. I do not think that low compression by itself would cause the exhaust to run excessively hot. But I do think if you have a situation where you are getting unburnt fuel into...
  19. ESGWheel

    Trailer has working running lights, no brake lights or turn signals

    Has the issue existed since the new wiring harness installed? I am assuming it’s a standard 4 pin type and you are using the trailer frame as a ground. If yes, here is one simple check with the trailer plugged in: using a multimeter set to Ohms and put one probe on the vehicle and the other on...
  20. ESGWheel

    3.0 exhaust manifold over heats

    While I am not familiar with these engines and their water flow, I will try to help. After looking at online pictures of this engine’s components, I agree that water only flows into the intake / exhaust combination manifold when the thermostat is open. However, there is constant water flow to...
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