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Gear 1-2 grind

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Old 08-05-2021 | 09:45 AM
  #706  
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Nice job documenting here and with your dealer; however, define "pause".
Old 08-05-2021 | 10:32 AM
  #707  
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I've used the slight pause method for the last couple of thousand miles with no grinds thankfully. It isn't that big of a deal but it does suck that is in the back of your mind every time you do the 1-2 shift on a car like this.
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Old 08-05-2021 | 11:07 AM
  #708  
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Originally Posted by Bob Z.
Nice job documenting here and with your dealer; however, define "pause".
By pause I simply mean engaging clutch to come out of first gear, pausing a brief second in the neutral position between 1st and 2nd, then shifting into second (all with the clutch engaged). Again, it's the same as you would normally switch gears, but you're taking a brief pause before going into the next gear. Try it. The car seems to run extremely smooth. The theory (I surmise) being that that brief pause gives the synchro a chance to catch up to engage the next gear.
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Old 08-05-2021 | 11:14 AM
  #709  
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1-2 grind is normal in all cars when transmission temp is cold, once it warms up it should go away
Old 08-05-2021 | 11:54 AM
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Originally Posted by boss2k
1-2 grind is normal in all cars when transmission temp is cold, once it warms up it should go away
Nope, cold, warm or hot it doesn't matter it will grind...
Old 08-05-2021 | 11:59 AM
  #711  
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Originally Posted by Bob Z.
Nice job documenting here and with your dealer; however, define "pause".
Originally Posted by My21Cayman
By pause I simply mean engaging clutch to come out of first gear, pausing a brief second in the neutral position between 1st and 2nd, then shifting into second (all with the clutch engaged). Again, it's the same as you would normally switch gears, but you're taking a brief pause before going into the next gear. Try it. The car seems to run extremely smooth. The theory (I surmise) being that that brief pause gives the synchro a chance to catch up to engage the next gear.
Agreed, and by brief I found it is 'very' brief, additionally I would describe it as follows: Instead of one motion of pulling the shifter from 1st to 2nd, I would say it is two steps: pull from 1st to neutral then neutral to 2nd with a brief pause at the neutral gate... this has eliminated the grind for my transmission.

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Old 08-05-2021 | 12:01 PM
  #712  
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Originally Posted by boss2k
1-2 grind is normal in all cars when transmission temp is cold, once it warms up it should go away
Well, that's absolutely not true in my case. In fact, my car HAD to be warmed up with at least 20 miles of driving before it would grind.
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Old 08-05-2021 | 12:02 PM
  #713  
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Originally Posted by Westcoast
Nope, cold, warm or hot it doesn't matter it will grind...
^This plus I’ve never had another manual (out of 10 different cars) do this when cold. Notchy/hard to get into gear yes, grind no.
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unclemat (08-09-2021)
Old 08-05-2021 | 12:58 PM
  #714  
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At least it seems that a lot of people are figuring out that all it takes is a millisecond pause at the #2 gate to get a clean shift every time.
Old 08-05-2021 | 01:14 PM
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Originally Posted by Archimedes
At least it seems that a lot of people are figuring out that all it takes is a millisecond pause at the #2 gate to get a clean shift every time.
Here we go again....please shift like this video.

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Last edited by Bill_76; 08-05-2021 at 01:39 PM.
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Old 08-05-2021 | 01:24 PM
  #716  
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Originally Posted by Archimedes
At least it seems that a lot of people are figuring out that all it takes is a millisecond pause at the #2 gate to get a clean shift every time.
I sort of agree with you but also think you take this line of thought too far. Porsche is a premium brand with obviously a premium price tag. The least they could do is say it'll get better with break in or offer fluid changes etc (which sounds like it worked for another member here). Just ignoring it when it is an obvious problem is BS but not surprising unfortunately. That's where the sort of agree part comes in because I also don't think Porsche will do a thing about it. So it is either trade it in for a PDK, do the pause or try and find better fluid that helps with the problem. I disagree though that it's because it's such a precise instrument. Many of us are very seasoned manual drivers on and off the track. There is far too much evidence that we are all doing it wrong. Especially since it seems the problem gets better with mileage. If it is precise by your definition it wouldn't just be the 1-2 shift. Precise by my definition means it doesn't do it at all when correctly shifted at whatever RPM etc.
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Old 08-05-2021 | 06:33 PM
  #717  
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No need to stop in neutral or double clutch. Just a snick-snick. Just finished 300 miles in my GT4 this morning with a couple dozen fast 1-2 shifts. Nada a grind in sight.

I think maybe I just got a good car. Perhaps I should post it in the marketplace for $150,000 with all the other crackheads.

Last edited by Archimedes; 08-05-2021 at 06:35 PM.
Old 08-09-2021 | 09:43 AM
  #718  
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Mine grinded at least once or twice a week during 300-1300 or so miles. Then after around 1800 miles it stopped (knock on wood). I’m at 3300 miles now and I shift pretty quickly.

Also if any of you want a nicely balanced weighted shift ****, I’ve got one for sale! Maybe that was the cure . I decided to go with an alcantara ****.

https://rennlist.com/forums/market/1260169#post17596481
Old 08-09-2021 | 10:21 PM
  #719  
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Originally Posted by boss2k
1-2 grind is normal in all cars when transmission temp is cold, once it warms up it should go away
Utter nonsense. Hard to engage, yes, notchy even maybe. Grind? Never in properly functioning tranny, even when cold.

I have owned like, hmm, 9 manual transmissions (or transaxles), front wheel drive, real wheel drive, all wheel drive, Japanese, American, British, Italian, you name it. Still own 3 of them. And drove probably another hundred (often rentals in Europe). Not once, ever, was grinding, unless I ****ed up clutch work but then you know it. Like never, and trust me, all of them were subject to very spirited driving in many conditions.

Porsche ****ed up here and that's all there is to it, and worse, they will probably not own up to it.

Last edited by unclemat; 08-09-2021 at 10:32 PM.
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Old 08-12-2021 | 02:14 AM
  #720  
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My dealer seemed to show some interest in our grind issue only after I gave them a poor survey response. After talking with their techs, the service manager told me to bring the car back after 4K miles if it’s still happening (currently at 1700 miles after a year). I mentioned at my current rate of driving due to covid that will be over another 1-1.5 years away and all I got was silence. What makes me just shake my head is that I got an automated email from Porsche saying the dealer had resolved my issue.


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