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  1. Bt Doctur

    v8-300-C Steering failure

    check all the battery cable connections and cable ends for corrosion
  2. Bt Doctur

    1981 Merc Oil Pressure Gauge

    No ,usually just the sender
  3. Bt Doctur

    Flame Arrestor w/Fuel Vent Connection

    All mechanical fuel pumps must have a vent hole/bard otherwise they would not work. The diaphram moves up and down and the air under the diaphram needs a place to go in and out. /in auto applications a leaker goes down under your car. In boats thats not a good idea. The vent hose goes to the...
  4. Bt Doctur

    mercruiser 7.4 (L29) firing order

    You cannot go by that if the dist was clocked differently. #1 can be anywhere o n the cap depending on how the dist was previously installed. You could try removing #1 plug and dist cap. crank engine listening for the rush of air from #1` and looking to where the rotor is pointing
  5. Bt Doctur

    Ignition switch failing?

    ign safety cut off does NOT go to a ground
  6. Bt Doctur

    No water out of outdrive

    1 depends on engine rotation 2 not likely 3 not likely 4 no 15-20 seconds if everything was drained for the winter
  7. Bt Doctur

    Circulation pump 5.7 L

    Highly doubtful the timing chain is making the noise. You have a GM engine, GM parts will work. Timing cover is composite, circ pump 8503991, 46-8M0113734
  8. Bt Doctur

    Mercruiser Distributor

    Correct on the dist and oil pump , incorrect on the cam.
  9. Bt Doctur

    Help. Can’t find this neutral throttle button

    Dump the volvo and just replace the control box .almost any one will accept your cables
  10. Bt Doctur

    shift cable outer housing stuck in coupler

    the next time you will ask how to do something and someone would reply to use a solid core from a control cable to act as a guide
  11. Bt Doctur

    Help with water leak on 1999 MerCruiser Bravo 3

    Its usually a corroded hole in the bottom of the Y pipe
  12. Bt Doctur

    99 Caravelle Interceptor fuel sending unit size?

    rarely a sender, more likely the tank if it aluminum
  13. Bt Doctur

    Mercruiser 5.7 with carb and Gen 2 Alpha one overheating, smoke, taking on water

    a severe overheat with smoke sounds like you melted the exaust couplings with water coming in. With motor stopped there is no water passing the exaust elbow
  14. Bt Doctur

    Claims its a cracked engine block

    If they ran the snot out of it or overheated it the creamy mix would come out of the engine
  15. Bt Doctur

    Testing Alpha one Gen 2 water pump with no gear oil

    are you using ear muffs? The gen II uses a coupling on the pump base and a 3 inch guide tube inserted into that
  16. Bt Doctur

    confused and frustrated

    post some pics of the engine and drive
  17. Bt Doctur

    Outdrive does not want to re -install in boat

  18. Bt Doctur

    Outdrive does not want to re -install in boat

    measure from the end of the inputshaft to to the flange where the U joint goes and put tape on the alignment bar to check your depth
  19. Bt Doctur

    Outdrive does not want to re -install in boat

    One thing that bothers me is that when I took the outdrive off initially , it was hard to do may be very dry grease or poor engine alignment. Alignment tool will slide in all the way till it bottoms out without any real force and pull out the same way.
  20. Bt Doctur

    Outdrive does not want to re -install in boat

    When done correctly the alignment tool will slide all the way in with no resistance into the coupler . It"gimbals" means its like an eyeball, moves in all direction.When you hit the bar up,down,left, right, etc to align the bearing with the coupler . If you cannot install the tool all the way by...
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