Question about GMC Sonoma

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We took the motor and trans out of 98 gmc sonoma and replaced motor with a good one. Now fired the new motor up put the truck in gear and it will not move, it is like there is not even a trans in the truck? The shifter cable is working and the indicator on the dash is working but will not move in any gear? any help

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  • woods_racing May 22, 2011

    this is an automatic transmission that was working fine when we took it apart. torque converter is bolted to the flywheel also it has park is the only thing it will do

  • woods_racing May 23, 2011

    I have said more than once this is an automatic not a standard this procedure will not work.
    I'm very dissatisfied with this web site I would like a refund of my money. So far this has been no help almost 24 hour period. Not satisfied!!

  • woods_racing May 24, 2011

    this web site has not helped me a bit!!!!!!!!! This truck does not have a clutch to bleed it is an automatic. Thanks for nothing

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  • Master
  • 1,915 Answers

It has to be a basic problem-I would double-check the TV cable going to the trans pawl for an alignment issue, it is best to set it up in neutral position and go from there. In addition, check the trans fluid level, and the harness connections-if this was an operating trans when it was removed, it has to be something that was not hooked up correctly, nothing else has changed.

Posted on May 23, 2011

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  • mike mountain May 23, 2011

    I am not assuming it is a stick (read my first post), my advise is for an automatic-the cable should be set up for NEUTRAL, not PARK-and you need to be certain the electrical harness or connector is not damaged in any way, very important in an AUTOMATIC TRANS.

  • mike mountain May 23, 2011

    the cable adjustment is CRITICAL on a GM, a FSM says to adjust the cable starting the shifter in Neutral and the trans pawl in Neutral-if you are starting with both in PARK, it is wrong.

  • mike mountain May 24, 2011

    You write:

    1.
    * woods_racing
    * 1 hour ago
    this web site has not helped me a bit!!!!!!!!! This truck does not have a clutch to bleed it is an automatic. Thanks for nothing

    I am NOT REFERRING TO A STICK SHIFT, not in the first post or the two replies after that-so I really don't know what your problem is, you seem to have difficulty understand basic concepts...hope that thing you are working on moves on it's own someday, I have my doubts though...

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  • Master
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There are several things you need to check. First, are you sure the fluid level is correct? This must be checked with the engine running in PARK. Also check to make sure the electrical connectors at the transmission are connected securely. The electric solenoids cannot direct the hydraulic pressure to engage the clutches if there is no connection. Is the Service Engine Soon light coming on with the engine running? If you forgot to hook something up, the light will come on and set a fault code to let you know.

Posted on May 22, 2011

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  • dttech
    dttech May 23, 2011

    P.S. Did you remember to put your torque converter bolts in?

  • dttech
    dttech May 26, 2011

    So did you do the things I asked you to do? Maybe you are dissatisfied because you are expecting miracle workers, not experts in auto repair. If you don't check the things I ask you to check and let me know what is going on, there is no way possible for me to help you. It is hard enough to figure out what is wrong with a vehicle when you can see it, touch it, and perform all the steps in diagnosing it yourself. I cannot just whip up some answer for a vehicle that somebody else has done major repairs on and tell them what they did wrong unless they are willing to work with me. So if the mere pittance that you are paying on this site is not worth it to you to find out what is wrong with your truck, then I suggest the other alternative...pay a shop to do your work and pay the BIG BUCKS!

  • dttech
    dttech May 26, 2011

    P.S. I think that another part of your being dissatisfied with this site may be because you are posting your comments under your question rather than posting it in the "solution" section. If you post your comments to this solution, I will recieve an Email to let me know that you posted a comment and I will get back to you. If you post your comment under your question, I have no idea what is going on until I find it accidently like I did, just checking on old, pending solutions.

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  • Master
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Welcome to Fixya

Bleed the clutch system. Here's the procedure. Try this and if this still doesn't fix the problem then you may need to put a shim on the flywheel. Keep bleeding the clutch until the pedal gets hard. If there is any sponginess at all then keep doing it until it feels uniform and has resistance to it. Sometimes bleeding a clutch can take some time... especially if you have fine bubbles in the system.

Thank you for using Fixya!

Posted on May 22, 2011

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