S2000 Under The Hood S2000 Technical and Mechanical discussions.

Difficulty in shifting

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Old Oct 20, 2005 | 04:22 AM
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Default Difficulty in shifting

Hey guys, whenever I am driving around town, or just simply starting off a drive by putting my baby into gear, I feel tension. Could this be a clutch going bad? I have MY00 with around 55k on it. Everything else is working great on the car. I was sitting still the other day in my driveway, and just ran through the gears slowly, and I noticed that with every gear I heard 2 clicks rather then just the one click going into gear. I know that might sound confusing, but it is kind of hard to explain. Any ideas?
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Old Oct 20, 2005 | 05:12 AM
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First thing....GM Syncromesh Friction Modified tranny fluid. About $11/quart (need 2 quarts, car takes 1.5ish) from your closest Chevy dealer.
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Old Oct 20, 2005 | 06:37 AM
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It was just 5k miles ago I put Mobil tranny fluid in there. Does it go bad that quick?
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Old Oct 20, 2005 | 08:25 AM
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I mean no offense by this, but was the correct fluid used on the last change? Also, I don't know if Chevy dealers are carrying the GMSFM, I thought it was Caddy stock or the marketplace here on S2KI.
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Old Oct 20, 2005 | 09:52 AM
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None taken. Yes, I am pretty sure it was the correct was used. I can't remember the exact numbers, but I know it was Mobil. There were several members on here that suggested it to me, so I know it was the right kind.
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Old Oct 20, 2005 | 10:12 AM
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Originally Posted by apex2k,Oct 20 2005, 09:25 AM
Also, I don't know if Chevy dealers are carrying the GMSFM, I thought it was Caddy stock or the marketplace here on S2KI.
I bought GMSFM at a Chevy dealer in Orange County, CA few days ago. The GM part number is 12377916
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Old Oct 20, 2005 | 11:02 AM
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Couple of things comes to mind and that's:
What is your driving style?
Could it be your synchros?
Do you rev match or skip gears?
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Old Oct 20, 2005 | 11:12 AM
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I get the same thing, difficulty of shifting. I have not driven my car for about 10 days or more. All of a sudden it just happened.

I dont drive too agressive.

I never skip gears either.
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Old Oct 20, 2005 | 11:28 AM
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I only skipped gears one time since I have had the car. By rev-match, do you mean reving up to the appropriate rpm when downshifting? If so, I do that occasionally. Would that cause a problem? I dont drive my car hard, well, I mean extra hard. As an S owner, we all have to get on it sometimes, right?
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Old Oct 20, 2005 | 11:56 AM
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Rev-matching is always better when you downshift... Although not everyone does it......it's a good habit.

Sounds like you need to do a double check on your fluids in the tranny.


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