Transmission problem with 2nd/4th gear selection, why does this happen right before a track day!!!! |
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Transmission problem with 2nd/4th gear selection, why does this happen right before a track day!!!! |
racerx9146 |
Apr 18 2011, 09:32 PM
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#1
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good design never goes out of date.. Group: Members Posts: 174 Joined: 1-January 04 From: Sacramento, CA Member No.: 1,483 Region Association: Northern California |
Hello, I could use a little input on this one.
So less than 11 days to a non-refundable track day at Thunderhill and my tranny won't go into 2nd or 4th. I have disconnected the linkage and cannot engage 2nd or 4th manually. 1st, reverse, 3rd and 5th are fine. It's like there is not enough throw at the side shifter input dongle. It also seems to require a lot of throw to get 3rd/5th engaged to the point that the ball is starting to pull the bushing out of the socket. Its a 914-6 transmission rebuilt and converted to side shifter by a local Porsche "specialist". About 9 years ago. My tranny has never shifted right since the rebuild and I kept telling myself it was the linkage or something else. Now the problem has presented itself completely! 4th was always "soft" but now its not there at all and 2nd has joined the party. No grinding just no engagement. The car was in project stage for long after the work was done so it tough to try to bring it back to the specialist. Got any ideas, Is there anything I can adjust with the tranny in the car or should I pull immediately and try to figure it out. I have rebuilt Porsche engines but always stayed out of the transmission world. thanks Daron |
racerx9146 |
Apr 19 2011, 08:05 AM
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#2
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good design never goes out of date.. Group: Members Posts: 174 Joined: 1-January 04 From: Sacramento, CA Member No.: 1,483 Region Association: Northern California |
Thanks for all the replies and the great picture. Much appreciated. I will pull the comb as soon as I get home from work today and post results. Dr. Evil your theory sounds promising (I hope) but would that not also affect 1st/reverse? Anyway its time to get extra greasy in a hurry.
Daron |
PRS914-6 |
Apr 19 2011, 08:21 AM
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#3
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Excellence Magazine Project 914 3.6 Group: Retired Members Posts: 1,278 Joined: 20-May 06 From: Central California Member No.: 6,031 Region Association: None |
Thanks for all the replies and the great picture. Much appreciated. I will pull the comb as soon as I get home from work today and post results. Dr. Evil your theory sounds promising (I hope) but would that not also affect 1st/reverse? Anyway its time to get extra greasy in a hurry. Daron Daron, I'm tied up off and on until the 27th, if that's not too late I can help... I can take a visual look on the 20th or 21st during the day and most evenings this week if you need some assistance. You can bring it to my shop. Get a gasket/seal kit ordered..... |
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