Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

Shifting into 2nd

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Old Jan 27, 2008 | 10:10 PM
  #1  
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From: KCMO
Default Shifting into 2nd

My car driven normally will shift just fine but if shifting at 5500rpm+ from 1st to second it wont go in, like something is blocking it. What could this be, it just started a month or two ago.
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Old Jan 27, 2008 | 10:26 PM
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From: kc
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what fluid are you running? I had that problem too when I had synthetic in there and now that I switched back to plain jane o'reilly brand, its shifting fine.
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Old Jan 27, 2008 | 10:46 PM
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From: san fernando valley, california
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Originally Posted by Biggin'89
what fluid are you running? I had that problem too when I had synthetic in there and now that I switched back to plain jane o'reilly brand, its shifting fine.
why would synthetic make it worse??? alot of people on this forum use it including me, with good results! well i use the prestone DOT 4
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Old Jan 27, 2008 | 11:12 PM
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The T-56 is fine with synthetic. I ran synthetic with the 98 paper blocker rings and I still run it after my rebuild. (which I have to say the inside looked like it was in great condition, no usual wear despite having 80k miles.

As far as synthetics go, I find I have an easier time shifting with them in cold weather than I did with regular transmission fluid.
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Old Jan 28, 2008 | 10:07 PM
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From: kc
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sorry forgot to say mine was built with the carbon fiber blocker syncros. atleast thats the same problem I was having and when I called my builder he said change to original b/c I probably glazed one.
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Old Jan 28, 2008 | 10:56 PM
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I would use Mobil 1 ATF but we always use synthetic in ours even if a customer with a stock trans calls. If you are having the exact same issue as before I would start with bleeding the hydraulics and making sure that the clutch is working correctly. If you narrowed that down then changing the fluid to fresh Mobil 1 is what I would do.

Amber
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Old Jan 28, 2008 | 11:24 PM
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hmm my friend has the same problem goin from 2nd to 3rd, or so he claims when i beat him in a race...lol
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Old Jan 28, 2008 | 11:42 PM
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ur blocker rings are screwed. i have the same problem u need to have it rebuilt. lol and i still beat dbest with a messed blocker rings and slipping clutch
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