Replaced TCC valve, now transmission will not engage any gear?

Tiny
TAYLOR BOWMAN
  • MEMBER
  • 1996 CHEVROLET SILVERADO
  • 5.7L
  • V8
  • 2WD
  • AUTOMATIC
  • 307,000 MILES
I can shift through every single gear, but transmission won’t engage.
-4L60E.
-Fluid level verified.
Monday, July 31st, 2023 AT 8:34 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,513 POSTS
Is the main transmission wiring connector in good shape and connected? You could have a fluid filter that has come out of the front pump, so the unit is not picking up fluid. Let's run the codes to see what comes up and please follow these guides:

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

and

https://www.2carpros.com/articles/how-to-diagnose-and-fix-an-automatic-transmission-that-wont-engage-gears

Please go over these guides and get back to us.
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Monday, July 31st, 2023 AT 4:54 PM

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