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Thread: 2007 4L80E swap

  1. #21
    Join Date
    Dec 2009
    Location
    Corona, CA
    Posts
    204
    I opened the trans up and this is what it looks like:



    What do you guys think about this trans fluid? Have you seen it this dark?
    Also I don't know what a "80e gear selector cable bracket" is. Can you guys tell me if my trans has one?

    Thanks
    2007 GMT900 CCSB 5.3 VTS2300 Twin Screw Supercharger, Doug Thorley LT's, True 3" Duals into Dynomax Race Bullets, Nelson Tune, 4L80e w/transgo HD2-D, Truetrac, 4.10 r&p
    Need list: Stall, PLX 200 for my crappy AFR, X-pipe, GM 20's.

  2. #22
    Join Date
    Dec 2009
    Location
    Corona, CA
    Posts
    204
    Here are some more pics:




    It has the 32 spline output shaft. I heard there are several lengths of output shafts. How do I figure out which yoke I need?
    Also The output shaft had one of those red plastic covers on it wheen I picked the trans up. WHen I removed the red plastic cover trans fluid spewed out. Is that sopposed to happen or did that happen because it is missing a seal/yoke? Excuse my retarded questions.
    2007 GMT900 CCSB 5.3 VTS2300 Twin Screw Supercharger, Doug Thorley LT's, True 3" Duals into Dynomax Race Bullets, Nelson Tune, 4L80e w/transgo HD2-D, Truetrac, 4.10 r&p
    Need list: Stall, PLX 200 for my crappy AFR, X-pipe, GM 20's.

  3. #23
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    you can have the converter flushed independantly since it's out and apart. Get some blue shop towels and wipe out all you can inside the trans, be sure to not leave any lint inside it. Once the converter is flushed you should not have any issues. Stand the trans up on its tail and 99% of all the fluid will drain out of it. Since you have the pan off, stand it on the tail first and then on its nose and you should get pretty much everything out except residue. Let it sit a day on each end.
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  4. #24
    Join Date
    Dec 2009
    Location
    Corona, CA
    Posts
    204
    Quote Originally Posted by RedHeartbeat View Post
    you can have the converter flushed independantly since it's out and apart. Get some blue shop towels and wipe out all you can inside the trans, be sure to not leave any lint inside it. Once the converter is flushed you should not have any issues. Stand the trans up on its tail and 99% of all the fluid will drain out of it. Since you have the pan off, stand it on the tail first and then on its nose and you should get pretty much everything out except residue. Let it sit a day on each end.
    I now have the trans hanging from the ceiling by some tiedowns. tail down. I will call tomorrow in regards to the verter flsuhing. I just want to get the black crap out of there. Thanks Greg!
    Last edited by Chris092183; 01-24-2011 at 11:36 PM.
    2007 GMT900 CCSB 5.3 VTS2300 Twin Screw Supercharger, Doug Thorley LT's, True 3" Duals into Dynomax Race Bullets, Nelson Tune, 4L80e w/transgo HD2-D, Truetrac, 4.10 r&p
    Need list: Stall, PLX 200 for my crappy AFR, X-pipe, GM 20's.

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