Thread: need help!!no shift cold

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  1. #1 need help!!no shift cold 
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    hi everyone i am relatively new here. I have a 4t65e tranny,recently did a fluid/filter flush and a transgo shift kit,shift solenoids,pcs,iss.now I have no shifting cold till she is warmed up,then she works great with the exception of tcc kicking out at 55 for no apparent reasonmy first thought is to r&r the damned thing,but wanted to see what other thoughts are out there,thanks!!
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  2. #2 Re: need help!!no shift cold 
    Killa Bee Scottydoggs's Avatar
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    how high are your miles? were these problem there before the flush? and you tried to fix them by flushing the trans? or they showed up after the flush?

    flushing the trans with high miles and no service prior are a death sentence.

    good chance you just killed the trans. ( if you did the above)

    i'd drop a quart of fluid out, and add a quart of lucas trans medix, or similar product and pray it holds together.

    98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW
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    GTP Level Member rperry435's Avatar
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    45+ mph tcc lockup kick in and out is early sign of failure

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  4. #4 Re: need help!!no shift cold 
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    well, thanks,this helps me make my decision,new tranny goin in asap!!I just wasn't sure if it was in the valve body.
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  5. #5 Re: need help!!no shift cold 
    Turbo is the way to go. BillBoost37's Avatar
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    Funky shifting can also be a sign of a bad maf or tps, even the wiring to it.

    although if you had all that stuff swapped, it has me thinking you had other issues. and of course to get to the ISS the channel plate/case cover had to be off and a gasket or improperly torqued bolt in the area can also cause some issues.
    I drink..so consider that when reading my posts.

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