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  1. M

    tilt & trim pump motor

    I notice on my 98 merc that the trim pump sounds kind of crunchy when raising the drive up yet it sounds very smooth when trimming down.The lines have been bled out and fluid is new but it still sounds the same.Do I need a new pump motor?Why does it only sound bad in the up direction?<br /><br...
  2. M

    4.3 engine alignment

    Hello all,<br /><br /> I have installed new front mounts & a new engine coupler the rear mounts look to be in good shape so I left them as is the gimble bearing is also new.I had the engine adjusted so alignment tool went in & out with no binding I then turned engine 180 & tryed it again...
  3. M

    power trim fluid

    98 merc gen 2 Seloc manual say only use 10w30 in a emergency in the trim pump then drain & refill as soon as possible cant find any thing in the merc manual.Is pt fluid absolutly nessecary or will 10w30 do?
  4. M

    Water in trim fluid-how do I get it out?

    I have A99 gen2 with a bad trim cylinder that must have sucked in water into the system as the oil is very milky.I have a new cylinder to instal but what is the best way to get all the water out of the system?Can I run it with lines off to push old oil out?
  5. M

    4.3 engine alignment

    99 4.3 alpha gen 2 I am trying to line up my engine The tool went in very hard so I adjusted front mounts got it so tool goes all the way in but stiil takes a good push to get it in.Manual says it should slide in easy when properly aligned so my question is how easy ?should there be no...
  6. M

    merc 4.3 140 thermostat

    I have A 98 4.3 merc I read the service bulletin on engine dieseling & it says one of the solutions is to go to A 140 thermostat instead of the 160 however the only 140 I can find is the older model 4.3 so does anyone know if this will work or better yet does any one have a part # for a 140 to...
  7. M

    4.3 smoking

    I have a 99merc 4.3 when running on muffs in the driveway there is a light blueish white smoke coming out of the exhaust.Its not smoking bad but its enough to notice the engine is not taking in any water so its not steam and it dosnt smell like oil burning but I guess it could be. Any thoughts...
  8. M

    merc engine alignment

    Is it possable to adjust the engine alignment on a 99 4.3 merc without using a hoist on the front of engine.I have the alignment tool and I think my engine is out of alignment since the tool slides in very hard once it gets to the coupler.it will go in all the way but it is very stiff. Any advice?
  9. M

    merc 4.3 front motor mount nut size?

    Any one know what size wrench fits on the front motor mounts on a 99 4.3 merc?. The big nut
  10. M

    merc 4.3 dieseling

    Any one have the link to the merc service bulletin on engine run on for a 99 merc.I found it here once before but cant find it again.
  11. M

    merc riser gaskets-to seal or not to seal-

    Any body know the down sides to using gasket sealer on the shiny riser gaskets.I have read the service bulletin that says not to use it so when I put new manifolds & risers on I didnt and they leaked.I talked to my local merc mech and he said they do use sealer on them (the brown stuff) Every...
  12. M

    merc 4.3 riser gaskets

    I have a 99 4.3 mercruiser.I replaced the exhaust manifolds,risers & elbows last season.I took the elbows back off this year to replace the flappers and noticed the riser gaskets had leaked internaly I torqued them to the proper specs in a criss cross patern when I put them on but they still...
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