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    1997 7.4L MPI IAC valve location and removal

    Thanks, this is a big help. Which item number is the fuel pressure regulator or is that on another page? What about the MAP and MAT, mine are likely original 1997s? Or if they are not broken dont "fix" those?
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    1997 7.4L MPI IAC valve location and removal

    Can anyone confirm location and procedure for getting to IAC valve. The manual I have says remove flame arrestor, disconnect throttle linkage, use a stud driver to remove throttle body, then rotate throttle body 90 deg to get to IAC on back of throttle body. Is it not possible to unclip the...
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    Can I grease gimball zerc while boat is in the lake

    Thanks. I have a long enough hose, its the tip diameter hitting the housing.
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    Can I grease gimball zerc while boat is in the lake

    To answer my own question, yes one can grease a zerc that is underwater. I did it, didnt help much, maybe a scooch, as predicted, but didnt hurt either. Still not sure I got any grease in the coupler on drive shaft using new 90 flex tip. This zerc is begging for a relocation or extension to...
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    Can I grease gimball zerc while boat is in the lake

    Definitely could be U joints too, so this is one last attempt before borrowing a buddies truck, going back to the marina and starting all over.
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    Can I grease gimball zerc while boat is in the lake

    Understood, I am presuming no water intrusion based on bellows inspecation and lack of water in boat nor mis alignment and do not know if and how much additional grease pumps are needed each year. Is it a closed system that needs zero or does it need ten and I only gave it 2 or 3 because I read...
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    Can I grease gimball zerc while boat is in the lake

    I know this isnt the right way, but can I attach the grease gun nozzle (pumped full of grease) to the zerc on my Bravo 3 outdrive, and add additional grease to the gimball. I thought i gave it a couple pumps in the fall winterization, but want to see if more grease will quiet down a chuffing...
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    Dry Chuffing Noise 1st Day of Season 1997 7.4LX MPI

    You are probably right, thanks
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    Dry Chuffing Noise 1st Day of Season 1997 7.4LX MPI

    Hi All, thanks in advance for your guidance. So put the boat in today at the lake marina in NY and heard this chuffing noise immediately, which was surprising because I ran the boat twice on muffs in the driveway ( 20 seconds each time) and did not hear it. The only thing i touched this...
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    Merc 3.0 Sterndrive Winterizing Question

    No, I dont think corrosion is happening on my engine after its been run in a freshwater lake, drained empty and sitting dry in the cold. I have put this cheap alcohol based anti freeze in and will not drain it so it doesnt affect any rubber and can mix with any little pockets of water that...
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    Merc 3.0 Sterndrive Winterizing Question

    That's a valid method too.
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    Merc 3.0 Sterndrive Winterizing Question

    Thanks. Good info!
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    454 7.4L mystery fasteners on back of engine block

    How often or when is one supposed to do the alignment check? What are the symptoms of mis-alignment? The bushings I see around the bolts are standing up, not collapsed. Sorry I dont see whay bushings you refer to.
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    454 7.4L mystery fasteners on back of engine block

    No worries Bondo
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    454 7.4L mystery fasteners on back of engine block

    yes on the other side; not in focus but visible
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    454 7.4L mystery fasteners on back of engine block

    Thanks Dubs: That is the answer I was kinda expecting but wasnt sure.
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    454 7.4L mystery fasteners on back of engine block

    What is this? and is it supposed to be sticking up like that? I cannot tighten it down,
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    Merc 3.0 Sterndrive Winterizing Question

    I still dont get it; coming from the perspective of an empyt block in the winter is better than adding any of this water based anti freeze. In my case, I am running fresh water thru the block during boating season and you are running salt water. Dont both of these cause corrosion all boating...
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    Merc 3.0 Sterndrive Winterizing Question

    I like the way you think too. I have been going back and forth between the two pink RV antifreezes. I do drain my block first. First bought Tractor Suppy Traveler $3/gal alcohol based version and heard alcohol was bad for the rubber hoses. Then read it would be better to replace alcohol with a...
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    Bravo 3 Gear Lube Capacity- 2.5 or 3.5 quarts

    Hi alldodge; Thanks! Glad its not 3.5 but instead 3.0 qts. Drive was drained for a looong time, maybe it was only 93% down becuase it almost hits the ground while on trailer. All this was down on trailer and boat is not perfectly level it is nose up a little sitting on trailer. I refilled...
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