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  1. Bt Doctur

    Fuel return

    you have a dual feed tank. commonly used with twin engine installations use 1 for your motor and plug the other one
  2. Bt Doctur

    Fuel return

    post pics but have never seen a return fuel line to a marine gas tank. some diesels do use a return line to the tank, If your fuel injected, there is a cooling line but usually its never disconnected?
  3. Bt Doctur

    Trim pump not working in down position

    access the pump, reverse the black and grey lines.the higher pressure should allow you to lower the drive.You may have to replace the end caps of the cylinders due to corrosion NEVER store a drive in the in the full up or full down without relieving the pressure from full stop
  4. Bt Doctur

    how to determine the year 175 ocean pro

    could only get a clear pic of one engines ,yes one is CR. Thanks to everyone for the help Ed
  5. Bt Doctur

    how to determine the year 175 ocean pro

    been searching but no joy so far, can i use my 175 e-tec manual for it? 175 off shore G03178617 J175BXETR Thanks
  6. Bt Doctur

    Engine runs perfectly for 30 minutes + then dies with no dash power

    open the gas cap and retest
  7. Bt Doctur

    Top gimbal bearing o-ring on drive shaft sheered off?

    The large square O ring is installed with bellows adhes, weatherstrip adhesive, or contact cement in the housing first. If dislodged water can enter the drive
  8. Bt Doctur

    Gimbal bearing install fail?

    the alum race has a circular groove that eventually lines up with the hole in the bearing race, not necessary to line up the grease hole. Is important to have the bearing fully seated What did you use to install it?
  9. Bt Doctur

    De-winterizing Mercruiser 5.0 mpi with heat exchange

    That is called the "water heater" it supplied heated water thru the AF side of the motor 1- Put the muffs and the water hose on the stern engine, turn the engine on, and keep it running a minute or two until antifreeze in the engine is replaced by hose water. You flushed the raw water side of...
  10. Bt Doctur

    3.0 liter carb problem

    holy`s are great but could you replace it with the rochester 2 bbl if the bolt pattern is the same
  11. Bt Doctur

    Tap Alpha Gen 2 Bell Housing

    transom side is the easiest , the tap MUST be a straight tap ,not a pipe thread type, and you tap all the way thru
  12. Bt Doctur

    AlphaOne Gen2 large gasket install

    some weatherstrip adhesive on the top of the ring
  13. Bt Doctur

    Which Ignition Switch for Merc 5.0

    If you have an accessory position then you need a 4 wire type Red 12v B yellow/red S solenoid purple I ignition accessory pink? A post
  14. Bt Doctur

    Intermittent Start Issue

    If you hear the click but no crank, short the 2 large lugs. If cranks replace the slave solenoid
  15. Bt Doctur

    Volvo Penta 4.3L Harmonic Balancer

    volvo manufactures it with the snout so that only volvo pullys and dampers fit the crankshaft .I converted from crankshaft pump to the Bravo type installed on a volvo and machined a reliefe in the mercruiser pully to fit the crankshaft. pumps a lot more water too.
  16. Bt Doctur

    Mercontrol help identifying part

    check your messages
  17. Bt Doctur

    Distributor installation – is this right?!

    why did you pull it and what work did you do on it?
  18. Bt Doctur

    Leaf Spring Shackle Question

    axel is too close to the frame shackles extended a bit too far aft, probable fwd too. springs look a bit flat for the load ,like theres no spring action
  19. Bt Doctur

    4.3lx power steering fluid cooler replacement

    In most cases the low pressure return lines clamps are loose or have cut into the hose, remove.clamps trim the ends, reclamp
  20. Bt Doctur

    Batteries not charging

    That might have been true in generator days but NOT with alternators. Not seeing a sense voltage it could cause it to go wild up to 28 volts.
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