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Discussion Starter · #1 ·
Ok so I picked up a used Monster built 4l60e from a buddy in a trade. I was told the trans wouldnt go into first gear so I dropped the pan. I found these pieces in the pan but I have no idea where they came from. Also has some clutch material on the magnet. I dont really wanna take it all apart until I know where this part came from.

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Discussion Starter · #2 ·
This trans is the top model 4l60e that Monster Transmission makes.

Asked my service manager this morning what it could be and he said a shim on one of the sun gears. So I tore it down tonite and sure enough, found one of the sun gear washers missing and you could move the gear up and down, the gear next to the one missing has a worn shim on it too.

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Also found the input drum looked like crap on the outside of it. Like the metal was stressed and beat up, forgot to get a pic.
 
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