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klefroid's Avatar
 
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No second and fourth gear

After a lot of trouble I managed to get the car right engine wise... after 4 months in storage second and fourth gear are as good as impossible to take... it pops out when I release the clutch. The coupler and shaft are checked but no luck there... shaft is at is end moving out-wards in the transmission... strange thing is that everything was fine when she went into her winter sleep... man that car has been a lot of trouble... if I need to take the engine out again then car goes to stock and goes for sale... I had the transmission rebuild in 2012 and has maybe 2000 miles on it...


Last edited by klefroid; 04-01-2016 at 04:12 AM..
Old 04-01-2016, 02:57 AM
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When I move it very quick into sec of fourth gear then it works to take those gears... otherwise it's popping out when I release the clutch... broken or lose fork would mean I lose 1st and 2nd or 3th and 4th gear if I'm thinking right? Shop who rebuild the trans are closed until 11th of April...
Old 04-01-2016, 04:11 AM
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Hopefully just an adjustment issue?
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Old 04-01-2016, 06:09 AM
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Trans. mounts? My friend had this issue in his car, when he shifted the trans. and engine would rock back and he couldn't get 2nd or 4th either.
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Old 04-01-2016, 06:14 AM
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Good luck, I bet it will be a simple fix, these things are built well and usually just need adjustment.
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Old 04-01-2016, 07:28 AM
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I guess it's inside the transmission... I even over adjusted to make sure that it's not an adjustment issue. There is a alu plate on the bottom of the tranny hold by a few screws... What is behind that plate?

Thanks for the support guy's! The transmission internally is not my thing...
Old 04-01-2016, 08:01 AM
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Brando
 
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Quote:
Originally Posted by klefroid View Post
I guess it's inside the transmission... I even over adjusted to make sure that it's not an adjustment issue. There is a alu plate on the bottom of the tranny hold by a few screws... What is behind that plate?

Thanks for the support guy's! The transmission internally is not my thing...
Dang I hope not.I'm not sure how mush you can do with the trans installed?
The little trap door is actually a fork that actuated or leverages the rod and maybe it's bent? If so that would be an easy fix.
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Old 04-01-2016, 08:50 AM
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Quote:
Originally Posted by klefroid View Post
I guess it's inside the transmission... I even over adjusted to make sure that it's not an adjustment issue. There is a alu plate on the bottom of the tranny hold by a few screws... What is behind that plate?
A little fork that could be the root of your problem.
911SC / Turbo (1978-1983) - Shift Rods, Forks, 5. (915 Trans)

Can be repaired in car if it is. number 6 on the diagram.
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Old 04-01-2016, 09:22 AM
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Quote:
Originally Posted by Matt Monson View Post
A little fork that could be the root of your problem.
911SC / Turbo (1978-1983) - Shift Rods, Forks, 5. (915 Trans)

Can be repaired in car if it is. number 6 on the diagram.





This is how it came out! Could it be so simple?! Let's hope so!
It's too dark for installing it today, but I'll try installing it again tomorrow.
You can not imagine how happy I would be if this was the culprit
Thank you all, guys!
Old 04-01-2016, 10:56 AM
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That would be one of the luckiest g/box fixes ever, if it works. Did it come out like that - two loose bolts? looks like the stud has unwound on one, or is that you pulling it apart?
Alan
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Old 04-01-2016, 12:00 PM
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Quote:
Originally Posted by Alan L View Post
That would be one of the luckiest g/box fixes ever, if it works. Did it come out like that - two loose bolts? looks like the stud has unwound on one, or is that you pulling it apart?
Alan
Nope, this is how it came out! I just placed it back (could not resist) and all gears work!
I feel so happy now!

Two bolts where very loose and one was not tight. I used loctite so this can never happen again.
Old 04-01-2016, 12:13 PM
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I had this happen. My shifter bushing back in the linkage between the seats had vaporized. I limped it home using 2nd and 4th. I could also only 1st or 3rd if i fiddled, but not all 4 at the same time. reverse was out of the question. Glad yours was an easy(ish) fix
Old 04-01-2016, 01:07 PM
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Quote:
Originally Posted by klefroid View Post
Nope, this is how it came out! I just placed it back (could not resist) and all gears work!
I feel so happy now!

Two bolts where very loose and one was not tight. I used loctite so this can never happen again.
Well done, and I would have suggested loctite too. But you have to think they failed to tighten them properly in the rebuild. There is nothing particular about the job that bit does that would unwind studs normally.
I hope they did a better job on the other bolts in your G/box :-)
Alan
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83 SC, 82 930 (track) - Stock except for RarlyL8 race headers, RarlyL8 Zork, K27-7006, 22/28 T bars, 007 Fuel head, short 3&4 gears, NGK AFR, Greddy EBC (on the slippery slope), Wevo engine mounts, ERP rear camber adjust and mono balls, Tarret front monoball camber adjust, Elgin cams, 38mm ported heads, 964 IC. 380rwhp @ 0.8bar Apart from above, bone stock:-)
Old 04-01-2016, 01:15 PM
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gearhead
 
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Alan,
They have a history of coming loose. I would not be so quick to call the builder shoddy.

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Old 04-01-2016, 04:37 PM
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