Boat mechanics needed!!!

[gregintenn]

I'm going to try and rebuild a trim unit on a 95 Johnson 50 hp. I have it loose except for the wires, and for the life of me, I can't seem to figure out how to unplug them. I don't want to cut them and splice back together if I don't have to. Do you know?

[gregintenn]

Had to cut the wires. Now I can't get the damn cap off the cylinder. This is gonna be fun.

[Wingshooter]

I just had mine replaced yesterday on an 85hp Johnson. I've tried to doctor it up for years, but finally broke down and had it done. Good luck! I don't know enough about it to help, but I know it's not easy.

[jpx2rk]

I just googled your motor and added rebuild tilt and trim to it and got a couple hits with youtube videos.  It may give you a tip or two to move along with the project.  GL

[gregintenn]

I got the top off after soaking it overnight with penetrating oil, and beating on it with a punch and hammer. Now off to youtube for advice.

[gregintenn]

Turns out dreading it was worse than doing it. $90 for a rebuild kit beats the hell outta $1600 for a new trim unit!

 

Might as well go on a replace the water pump while it's in the garage.

 

I can't get the lower unit off the motor. I took out 5 bolts from underneath it, and it'll drop down about 1/2", and will go no further. Any ideas what's holding it?

I thought this would be the easy part.

Edited May 21, 2016 by gregintenn

[jpx2rk]

Google  johnson 50 hp lower unit removal

[gregintenn]

I did. I didn't find the results I was looking for. I understand I need to unhook the drive cable, but for the life of me I can't see where to unhook it. Surely I don't have to take carbs off to do it.

[Handsome Rob]

There should be a small coupler on the gear-shift shaft. You'll have to remove the lower bolt before the lower unit will drop loose. Try shifting it from forward to reverse & look up at the top of the shaft. You'll see it right near the casing joint in the least accessible place possible. Obviously.

[jeremymcneece]

What kind of fluid do you guys use in the trim unit

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[bersaguy]

3 hours ago, jeremymcneece said:

What kind of fluid do you guys use in the trim unit

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It recomends Johnson Trim Fluid be used...........

[gregintenn]

Transmission fluid. I still haven't figured out how to properly bleed the unit. It halfway works, but there's still air in it.

[gregintenn]

On May 22, 2016 at 4:31 PM, robtattoo said:

There should be a small coupler on the gear-shift shaft. You'll have to remove the lower bolt before the lower unit will drop loose. Try shifting it from forward to reverse & look up at the top of the shaft. You'll see it right near the casing joint in the least accessible place possible. Obviously.

Yeah. I see part of the linkage, but not where you'd take it apart, Surely you wouldn't have to take a carbeurator off to get to it!

[Handsome Rob]

It should just have 2 through bolts. Remove the lower bolt & The unit 'should' come free. It's easier if you swear at it a lot.

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[gregintenn]

59 minutes ago, bersaguy said:

It recomends Johnson Trim Fluid be used...........

I assumed you'd fill it to the fill plug level with the motor in the down position. You wouldn't want to raise the motor then fill it would you?

[jeremymcneece]

I looked on the internet and it kept saying power steering fluid

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[gregintenn]

1 minute ago, jeremymcneece said:

I looked on the internet and it kept saying power steering fluid

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That would work too.

[jeremymcneece]

Transmission fluid. I still haven't figured out how to properly bleed the unit. It halfway works, but there's still air in it.

I watched a video on you tube it showed to fill it in the up position,lower it,then raise it back up, and repeat four to give times to get all the air out

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[gregintenn]

Just now, jeremymcneece said:

I watched a video on you tube it showed to fill it in the up position,lower it,then raise it back up, and repeat four to give times to get all the air out

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There my be my problem. Thanks.

[gregintenn]

Lest there be any confusion on the matter, jeremymcneece is the man!!!!!!!!!!!!!!

 

I now have a properly bled and properly functioning power trim unit.My hat's off to you!

[peejman]

Just fyi...  Lots of power steering systems use transmission fluid. 

[jeremymcneece]

Glad I could help, I'll be waiting for fish piks know

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[jeremymcneece]

Cool can't wait to see some fish piks

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[gregintenn]

Ain't much, but it's all I've got handy right now.

 

My wife really likes this one.

[gregintenn]

On 6/28/2016 at 3:00 PM, robtattoo said:

It should just have 2 through bolts. Remove the lower bolt & The unit 'should' come free. It's easier if you swear at it a lot.

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Your advice was spot on! Thank you.

 

I had to take the starter off before I could even see the linkage. With an assortment of wobble joints and extensions, I was able to get it loose. We'll not talk about getting it back together, but your suggestion of using swear words was taken to heart.

 

A boat mechanic will be performing this task next time.

 

Whoever designed that makes a man rethink his views on abortion!

Edited July 2, 2016 by gregintenn