Need help with Volvo SX-C shift cam shimming ??

skiffguy18

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Apr 15, 2011
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I was checking out the boat yesterday and discovered gear oil leaking from under the shifter cover. I removed the cover and saw the oil was leaking from the shift cam seal. The whole thing looked really corroded and old. When I drained the oil it was NOT white or milky at all. Looked used but not bad. Opened my manual and went to work on it. I followed the directions and repleced the seal and the O ring. I cleaned everything up really well and put it all back together. My issue is with shimming the cam.The manual is saying I need a "special bracket #3850057"I have looked online and have not been able to locate this "special bracket". Assuming that it was shimmed correctly before, I tried to run it and it will go into forward, neutral, but not reverse? I shut it down and backed the cam bolt out so it is loose and that is where I stand at the time. Is there a certain position the shifter cam needs to be in before I tighten the bolt?? Thanks

Drive info:
Volvo Penta SX-C 1.66
3868160
4112012518
 

Don S

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Re: Need help with Volvo SX-C shift cam shimming ??

If you didn't replace anything but seals, you do not have to reshim that part. Only if you replace the whole shift mechanism or shift shoe, or cone.

Did you put the shift mechanism back in with the shift shoe offset to the starboard side?
 

skiffguy18

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Re: Need help with Volvo SX-C shift cam shimming ??

Yes, I put it in offset starbard. I took pictures when I pulled it out and put it back exactly the same way.
 

Don S

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Re: Need help with Volvo SX-C shift cam shimming ??

Will it go into reverse if you turn the shift mechanism by hand?
 

skiffguy18

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Re: Need help with Volvo SX-C shift cam shimming ??

I see what you mean. I'll give it a try. Maybe the linkage needs adjusting? I'll let you know.Thanks!
 

skiffguy18

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Re: Need help with Volvo SX-C shift cam shimming ??

Don- I disconnected the linkage, started it up, and it does shift with the linkage disconnected. The only thing I notice is that going into forward there is a brief hesitation before it shifts? I don't recall it doing that prior to the work I did.
 

Don S

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Re: Need help with Volvo SX-C shift cam shimming ??

You are putting it into gear a lot faster when turning the mechanism, than you ever will using the shift control.
 

skiffguy18

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Re: Need help with Volvo SX-C shift cam shimming ??

I'm good with that !! Thanks again Don. As usual you know the answer. Love this site. Hows the fishing up in Wa this year? Pretty crappy down here still.
 
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