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Old 04-24-2018, 07:19 PM   #1
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Transmission fluid change and 2nd gear

My 2000 Boxster S is a little difficult getting into 2ns hear at RPM. Wondering if anyone has gone with a thicker oil and seen an improvement. I noticed when itís cold outside in the morning it shifts better which makes me think a thicker oil might solve the issue.
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Old 04-24-2018, 10:09 PM   #2
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Lots of stuff about 2nd gear syncros. Use the proper Porsche fluid... it’s not cheap, but it really is the best (nearly only) option. There is a 2nd gear detent “fix” available, but it’s mostly a bandaid, I’ve done it and so far it’s been great. Not hard to do, but kind of a pain in the arse...

https://www.pelicanparts.com/techarticles/Porsche-996-997-Carrera/TRANS-Installing_996_Shift_Detent_Pin/TRANS-Installing_996_Shift_Detent_Pin.htm
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Old 04-25-2018, 06:17 AM   #3
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Iím using the Porsche trans fluid and I have no 2nd gear shift problems in mid 40-80F weather.





Just for info, hereís my thread on the 2nd gear detent replacement:

https://986forum.com/forums/performance-technical-chat/70667-gbox-2nd-gear-detent-install-question.html

I donít think the detent will help the hard shift issue. I did it as PM.


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Old 04-25-2018, 06:21 AM   #4
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The OP is reporting the opposite problem. Easy shifting when its cold, hard shifting when its warm!
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Old 04-25-2018, 05:59 PM   #5
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Quote:
Originally Posted by hahnster View Post
My 2000 Boxster S is a little difficult getting into 2ns hear at RPM. Wondering if anyone has gone with a thicker oil and seen an improvement. I noticed when itís cold outside in the morning it shifts better which makes me think a thicker oil might solve the issue.
Have you check the level of your gear oil?
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Old 04-25-2018, 07:42 PM   #6
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I haven't checked the level myself as I have relied on my mechanic. But its worth asking to make sure so thanks. I should clarify. When it's cold and the fluid is less viscous the shifter moves more difficultly but it slides into 2nd without the minor grinding kind of feel. So I guess its harder and easier all at the same time :-).

John
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Old 04-25-2018, 08:57 PM   #7
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The second gear detent is more for the classic second gear "pop-out" when cold. If you are getting syncro grinding, its just a matter of time before you drop your tranny and do the syncro, or rebuild the trans completely.
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