Tilt/Trim Stuck Mercruiser 3.0L

[nenelo]

I'm new to all this boating stuff, but I'm trying to learn. I've got a Mercruiser 3.0L I/O with a stuck tilt/trim, when looking for possible problems I discovered two wires were cut on outdrive. The wires are dry rotted and all need to be replaced, do I need to remove entire outdrive to accomplish this?

Thanks,

Renee

 

[Bondo]

Re: Tilt/Trim Stuck Mercruiser 3.0L

Yes,...

 

[nenelo]

Re: Tilt/Trim Stuck Mercruiser 3.0L

BTW, What kind of oil goes in the tilt/trim motor, is it 10W30 or ATF?

 

[Don S]

Re: Tilt/Trim Stuck Mercruiser 3.0L

Is this a 1968 3.0L or a 2008?

Look at the oil already in it.
Red = ATF
Golden = 10W30
Milky = Water/oil mixture = problems

 

[nenelo]

Re: Tilt/Trim Stuck Mercruiser 3.0L

1992 3.0l

 

[Don S]

Re: Tilt/Trim Stuck Mercruiser 3.0L

Here is the service manual for your drive and trim system.

http://www-alt.mercurymarine.com/mnetdata/SERVICE/CRUISER/Servmanl/14/14cover.pdf

And one for your engine.

http://www-alt.mercurymarine.com/mnetdata/SERVICE/CRUISER/Servmanl/13/13covr2.pdf

 

[Fishermark]

Re: Tilt/Trim Stuck Mercruiser 3.0L

I'm new to all this boating stuff, but I'm trying to learn. I've got a Mercruiser 3.0L I/O with a stuck tilt/trim, when looking for possible problems I discovered two wires were cut on outdrive. ......

Bondo is right that the outdrive needs to be removed to replace the wires.... but that may not be your problem. When you say "stuck" - does that mean the trim pump runs but the outdrive doesn't move? It may literally just be stuck. Is it in the "up" position? If so, have a friend, (a large friend ), stand on it while you use the trim button down.

If the motor doesn't run - does the trailer button work? The wires simply work with the trim limit and the gauges. Most people simply bypass them instead of replacing them.

If you post your specific problem, more people can give a more specific answer.