Tilt/trim bleeding down

[metalmantis]

When I trim engine up it bleeds down fairly fast, I constantly have to keep hitting up to keep it trimmed out. No outside leaks so what I am thinking is I have internal bleed by. Is it easy to repair pump. Motor and pump are mounted on right side of motor.<br /><br />1989 50hp Johnson

 

[ob]

Re: Tilt/trim bleeding down

Check to insure that the manual release screw is tightly seated.I believe it is accessible from the starboard side via a hole in the transom bracket.Also make sure the T/T reservoir is topped off and unit is operated full up and down several times to evacuate any air.If all this checks out ,you may have some internal seals failed.

 

[metalmantis]

Re: Tilt/trim bleeding down

Ok i checked the manual release screw and it was tight also the resevoir was good. So I tore into it and to my suprise I did not see any teflon or rubber seals. But I did find the main port was oblong where the bearing seats as a check valve. Used a bright light and could see that bearing was not seating. Had it machined and now bearing seats just fine. Will install T/T motor and pump and see what happens. Thanks for your input

 

[redgrouper]

Re: Tilt/trim bleeding down

i have a 1979 100 hp. Johnson i filled the power tilt up and it worked fine then i tried it again and heard a pop sound now the tilt is leaking at the manual release screw. any idea what could leak.??????