G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Notchy Shifter: Technical Explanation?

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Old Aug 15, 2005 | 08:55 AM
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Notchy Shifter: Technical Explanation?

I've heard this topic before and have been doing some research. I only have 600 miles so far but its driving me batty. My new coupe has the notcy shifter action sometimes and other times its smooth as butter. I'm wondering if anyone can give me a technical explanation of what is causing this and any ways to minimize it. Finiti said its just the way this tranny is and that plain sucks. We are going to change the tranny oil to see if that helps any.
 

Last edited by BocaCoupe; Aug 15, 2005 at 02:29 PM.
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Old Aug 15, 2005 | 11:57 AM
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it's notchy yes, but 05s should have improved over 04s in terms of effort to shift (try driving an 04). no use changing the tranny at 600mi, it's just the characteristic of the shifter. you just have to get used to the gates and it should slide in easily over time. some ppl like the notchiness and not being rubbery, others the opposite.
 
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Old Aug 15, 2005 | 12:17 PM
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i'm gonna be switching my tranny fluid to synthetic before the next winter. last winter i found it extremely difficult to shift into 1st and 2nd. sometimes triple clutching was necessary until the car totally warmed up. the syncros just have a really hard time in the cold with the current fluid that came with the car. i can only hope that synthetic helps the situation.
 
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Old Aug 15, 2005 | 12:17 PM
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Technical Explanation? ... you're timing is still not perfect on your gas roll off
and clutch-in. it's a small window but you'll get use to it.
 
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Old Aug 15, 2005 | 01:05 PM
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Originally Posted by giddyup69
i'm gonna be switching my tranny fluid to synthetic before the next winter. last winter i found it extremely difficult to shift into 1st and 2nd. sometimes triple clutching was necessary until the car totally warmed up. the syncros just have a really hard time in the cold with the current fluid that came with the car. i can only hope that synthetic helps the situation.

You will be very happy....no more notch...no more 1....crunch 2 shifts....mobil 1 gear oil is a beautiful thing
 
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Old Aug 15, 2005 | 01:08 PM
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the only explanation is that infiniti makes dogsh1t manual gearboxes.

here we have a G35 enthusiast's forum and people rarely have anything good to say about that piece o' donkey **** MT.
 
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Old Aug 15, 2005 | 01:10 PM
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Hmmm... well i guess i'll have to live with it. If I did change the oil would Factory oil be as good as the rest?
 
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Old Aug 15, 2005 | 01:21 PM
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I've had my 03 coupe 6MT for almost three years now. I drove my friend's brand new 05 6MT. It was smooth as silk. It made my clutch/shifter feel like it came off a truck.
 
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Old Aug 15, 2005 | 01:41 PM
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Originally Posted by da45king
You will be very happy....no more notch...no more 1....crunch 2 shifts....mobil 1 gear oil is a beautiful thing
How early can you switch to synthetic tranny oil? I personally wouldn't put Mobil 1 engine oil on a brand new motor with under 8-10K miles on it. I don't know if it's the same with transmissions too.
 
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Old Aug 15, 2005 | 04:31 PM
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I have 05 6spd and the shifter does not bother me although it does require a bit more effort than the audi a4's (to give a random example). But you have to keep in mind that it is much harder to make a smooth transmission that handles 300hp than one that handles 200.

To reduce notchiness you can try matching rpm. Matching rpm also lets you shift without depressing the clutch all the way.
 
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Old Aug 16, 2005 | 08:41 AM
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Hmmm... so no-one can explain technically what is happening when it has resistence going into gears (i.e. synchros, etc)
 
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Old Aug 18, 2005 | 10:53 PM
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Whew, glad to read that, I thought it was just me!
 
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