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Old 06-24-2009, 05:20 PM
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90 240sc tranny shifting late in fwd only after visit to mech

greetings all wetheads, hope your summer is progressing along nicely.

I had an issue with a seized steering line, mech freed it up said he had to heat ti to loosen it up. which worries me- but he said it didnt need anything new. ok fine. but now it is shifting late, he is on vacation and im wanting to put it in the water again this weekend. fluid level looks good, looks fresh actually.
reverse works as normal. engages at the same point as before.
but fwd doesnt engage until very very late, engine is fairly well wound up before it will catch. seems to get better when ive worked it a good bit.- i know that sounds odd.

no bad smells, no other issues of note.

any ideas or thought appreciated. and if you know of a thread that covers this pls let me know, i drilled through several posts, most were on leaking seals.

thanks
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Old 06-24-2009, 05:36 PM
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Shift linkage needs to be adjusted, change transmission fluid
ASAP...TYPE F or FA

Jim@BAWS
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  #3  
Old 06-24-2009, 05:42 PM
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Quote:
Originally Posted by Jim@BAWS View Post
Shift linkage needs to be adjusted, change transmission fluid
ASAP...TYPE F or FA

Jim@BAWS
QFE on the changing the fluid ASAP. I changed mine the first time it started to slip and got about 5 more years out of it. I also slowed way down when it frist slip and took it straight back to the launch. I probably could have gone longer but it was winter and I had the rebuild kit.
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Old 06-24-2009, 05:47 PM
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the tranny fluid just suddenly goes away like that? one day lovely- next day pissy? reminds me of someone im married to...
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Old 06-24-2009, 05:50 PM
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come to think of it- the mech had it out at my request to make sure everything was ok. generally i trust the guy very much.
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Old 06-24-2009, 05:58 PM
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if its a fluid issue then why does reverse work as prev with no issues or complaints?
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  #7  
Old 06-24-2009, 08:10 PM
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Quote:
Originally Posted by scubajeff View Post
if its a fluid issue then why does reverse work as prev with no issues or complaints?
When did you change the fluid last? Transmission fluid is cheap, I think last time I did it the total cost was about $12 with tax.

I also like Jim's suggestion to check the shift linkage. If you do a search for "shift linkage" you'll come back with a few results.
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Last edited by Chicago190; 06-24-2009 at 08:17 PM.
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Old 06-24-2009, 09:31 PM
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agreed on the fluid- did read some posts about using 15w40 synthetic? interesting.
im just trying to narrow down do i drop it off and kill my big weekend or chance it and kill my big weekend.
thanks for all
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Old 06-24-2009, 09:39 PM
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ok, thanks for the search tip- several posts re same issue, sadly no one reported back in to say what had fixed it. but all points to slipped setting on the linkage. so will work from there. also the manual shift tip is a great idea.
peace to all, jeff
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Old 06-24-2009, 10:05 PM
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Originally Posted by scubajeff View Post
agreed on the fluid- did read some posts about using 15w40 synthetic? interesting.
im just trying to narrow down do i drop it off and kill my big weekend or chance it and kill my big weekend.
thanks for all
15W40 was only recommended for certain transmissions. My guess is your boat takes ATF, but don't quote me on that.
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