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Thread: P0757 - 2-3 Shift Solenoid Valve Performance - No Third or Fourth Gear

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  1. #1
    Join Date
    Jun 2006
    Posts
    489
    Allen,

    Should I put the time on the Transshift on 1? Could this help?

    The Pressure selenoids are new, I change both of them last month just to be sure.

    Need a Freakin' Roll Cage, and a Death Insurance

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Sounds to me like you have a stall convertor installed. Disable that code in the PCM. There are quite a few posts lately concerning that issue. Search them and you'll find another one you need to turn off, also.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Mar 2006
    Location
    Dawson Springs KY
    Posts
    284
    <div class='quotetop'>QUOTE(RedHeartbeat &#064; Jul 21 2006, 04&#58;26 PM) [snapback]58617[/snapback]</div>
    Sounds to me like you have a stall convertor installed. Disable that code in the PCM. There are quite a few posts lately concerning that issue. Search them and you&#39;ll find another one you need to turn off, also.
    [/b]


    Mine did the same thing even with a measly Trailblazer converter if I drove it easy. If I would get on it it was fine. I still haven&#39;t disabled the codes in mine I just raised my shift points a little and it was fine.

    2011 Silverado LT 5.3 bone stock (for now)

    (gone but not forgotten)02 Avalanche Z-71 Vortech supercharged 3.12 pulley 10psi, SMC meth injection, 33 12.50-17 procomp AT, 17x9 procomp wheels, AVIC-N2 NAV, 4.56 gears, Detroit TrueTrac, 2500 stall converter, transgo HD2 shift kit, Vette servos, 80mm BBK throttle body, Edelbrock shortie headers Cold Fusion wet shot (60hp), and too many more mods to list. 8.86/18th 472rwhp/499rwtq

  4. #4
    Join Date
    Apr 2006
    Posts
    56
    Mine did that when I installed the shift kit...Some dumbass forgot to hook up the pressure solenoid(me). You might want to drop the pan and check your connections.

    Dave
    2003 Silverado SS here&#39;s where my money went...Radix @ 9psi, Vortec IC tank, Oversized Heat exchanger, ASM LT Headers, Suncoast Ram Air hood, Airaid intake, Trailblazer Torque converter, Full billet servos, Zippy kit, cat-free, Flowmaster muffler, Gaylord Speedstur tonneau, 3/4 drop with Belltech spindles and leafs, Sirius conversion & MTX thunderform sub box. 05 e-fans coming soon&#33;

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