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Discussion Starter · #1 ·
I just rebuilt my c4 tranni with a trans-brake and it shifts great until it warms up. What will happen is when I shift to high gear (3rd) the moter will lug down like hitting the brakes pretty bad. I built it to the specs on the sheet but I think one of the bands are to tight. Factory specs call for 1 and 1/2 turns backoff after torqueing bolt and the specs for the transbrake I put in calls for 1 1/4 turn back off. I used all alto clutches and bands. I know the intermediate band has to release for high gear,right? any help would be appreciated.
 

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Do you have a C-4 or a C-5, fine or coarse thread 2nd gear adjuster?
Fine thread adjuster has to turned twice as much.
 

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OK sure does sound like you have some leakage somewhere causing you problems.

What are the details on your 2nd gear servo, I like my seals so tight the piston is hard to push back and forth. Heaven forbid you did not do the infamous servo mod.

Who built the VB?
 

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Discussion Starter · #5 ·
Yea I did the servo mod but didnt like it, I also seen that after putting in a full manual valve body that most people who "professionally" build them just use the stock one. It shifts damn hard by the pressure it has now, 210lbs. I have a c servo and might change it out later.
Anyway I fixed the problem, the valvebody was sticking between 2 and 3. Thanks for all the replys.
 
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