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4l60e rebuild no forward gears

Tiny
DIRT POOR
  • MEMBER
  • 2004 CHEVROLET SILVERADO
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 202,000 MILES
I installed a loaded input drum and new front and rear planetary s, now only have reverse, no forward movement, rear plant went out which took out input drum, why I replaced input and plants, I've gone through it twice with a manual and everything shows correct. I did not touch valve body front pump is rebuilt. So why is there no drive movement.
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Wednesday, May 1st, 2024 AT 6:38 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 43,351 POSTS
Do you have any trouble codes? I would run the codes to see if any are stored. It sounds like the 1/2 shift solenoid is not working, also can I ask if the shift indicator is working? Does it show you are in drive?

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

You can remove the solenoid and test it with 12 volts and ground, ou should hear a click sound. Check out the images (below). Let us know how it goes

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Friday, May 3rd, 2024 AT 12:26 PM

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