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S2000 doesn’t want to go into gear when trying downshift under acceleration

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Old 03-07-2024, 04:54 PM
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what is the part number?
Old 03-07-2024, 04:54 PM
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Originally Posted by B serious
what is the part number?

Power Torque Clutch Kit - K70310-01


Cost as much as a Honda one

and I just realized I actually got it from O reilys because my mechanic states they actually sell quality parts compared to autozone

Last edited by S2KNANA; 03-07-2024 at 04:57 PM.
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Old 03-07-2024, 04:58 PM
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Well, that part number does appear to have enclosed springs. If they were using enclosed springs back then, then its designed like the FCC Sachs kit...and should be fine.

Why did you go aftermarket if it cost the same as Honda, though? Just curious.
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Old 03-07-2024, 05:09 PM
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There are no enclosed springs. Ouch!

https://www.oreillyauto.com/detail/c...da-s2000?pos=1




Old 03-07-2024, 05:10 PM
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Well, since you have an enclosed spring clutch, lets approach it a different way

How much slop do you feel in your clutch pedal when you push it? Is there like...a bunch of slop before you feel resistance?

When you put it in gear and start to take off...does the clutch start engaging *right* as soon as you take your foot off the floor?

That slop is called freeplay. There should only be 6mm (1/4") of freeplay. Otherwise, its too much and you'll have issues with shifting.
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Old 03-07-2024, 05:11 PM
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Originally Posted by windhund116
wrong part number
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Old 03-07-2024, 05:17 PM
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So if its an 02 maybe synchro ring problems
Old 03-07-2024, 05:41 PM
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Originally Posted by B serious
Well, that part number does appear to have enclosed springs. If they were using enclosed springs back then, then its designed like the FCC Sachs kit...and should be fine.

Why did you go aftermarket if it cost the same as Honda, though? Just curious.
because I blew my engine , and I needed the car running again ASAP, so I just bought the next best thing which was that OE replacement. The person who actually sold me the car had a cheap $80 clutch kit installed and my mechanic brought it to my attention during the engine swap so I just quickly ran to o reilys

also came with lifetime warranty

Last edited by S2KNANA; 03-07-2024 at 05:53 PM.
Old 03-07-2024, 05:41 PM
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Originally Posted by noodels
So if its an 02 maybe synchro ring problems
my car is an 02, what symptoms do those o rings give if they are bad ?
Old 03-07-2024, 09:13 PM
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If it was syncho rings, I think you would only see the problem when downshifting between two specific gears, and not across the shifter range.

From what it sounds like, you installed a new clutch at 120,000 miles. It seemed to have worked fine, but something happened within 130,000 miles and now it doesn't downshift well anymore.

I think someone pointed out:
"That slop is called freeplay. There should only be 6mm (1/4") of freeplay. Otherwise, its too much and you'll have issues with shifting."

I'd probably start by dialing that out following the DIYGuys video. The freeplay on your clutch master could have been fine while your clutch was worn, but now that clutch is new, your engagement point is probably different (and much lower), which means if there was a lot of free play (and the engagement point is super low), the clutch might not be disengaging all the way. At least, that's my wild theory.

If that doesn't fix it, I'd probably start looking at the slave cylinder. Does it feel weird when you are getting in gear?
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