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Join Date: Apr 2007
Posts: 95
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915 gear selection "geography"?
I just revised and closed up my tranny. But I'm not sure about the resulting gear "geography". It has been a while so I don't remember how it was before, but now the neutral base (from neutral 1-2 to neutral 5-R) is not a straight line. Is this normal?
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07-26-2007, 03:56 PM
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Join Date: Oct 2003
Location: Michigan
Posts: 14,093
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The neutral plane should be basically straight but with a little slop and maybe your coupler not adjusted correctly it could be off a bit.
Is the tranny in the car? If so, do youget any grinding going into the gears. If not, then all is well.
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07-26-2007, 04:00 PM
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No I shift it directly with the selector sticking out of the tranny.
The thing is that the 5-R neutral is not adjustable since it is basically a dent in the shift fork shaft. Everything else should be aligned with that. So one is only able to adjust the two shift rod guides of 1-2 and 3-4. As I remember, however, one of those guides already sits against the selector fork. But the forks on their turn have to be dead center of the associated gears. It seems impossible to align. Or is this to protect the reverse gear? The misalignment is just a matter of 5mm. |
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07-26-2007, 04:18 PM
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Location: Lexington, SC
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I could be completely talking out of my a$$, and I've never thought about it before, but that seems like a good design that would help keep you from going 2nd to 5th when upshifting quickly to 3rd, and keep you from going from 5th to 2nd when downshifting to 3rd.
Whenever I used to drive an Acura, I always remarked how the shifter always had a way of pushing into the right gear. Seems like an attempt at that kind of shifting predictability. |
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07-26-2007, 04:45 PM
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Irrationally exuberant
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Your diagram is correct. I was surprised the first time I noticed that the notch for 5th/reverse shaft isn't in the same plane as the "notches" for the 1/2 & 3/4 shafts.
I think the 5th/reverse notch has a bit of a bevel on the edge of the notch that makes the misalignment a little less noticable. -Chris
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07-26-2007, 05:52 PM
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Yeah, I noticed the bevel in the notch too.
So from 4th to 5th is no problem, however, I never noticed before to do something extra to get it into the reverse. Maybe it feels completely different when you control it with the shifter in the car because of the leverage. Thank god that I don't have to open up my tranny. You can only be sure how the shifting "feels" when the tranny is complete closed, since some parts still have a play until the last cover is installed  .
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07-26-2007, 11:44 PM
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The Blue Pheonix
