GM Drivetrain & Suspension Chassis | Transmission| Driveshaft | Gears/Rear End/Differential | Traction Aids

What would cause the converter to stay locked on Deceleration?

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Old May 5, 2012 | 11:19 PM
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La RPM's Avatar
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Joined: Jul 2011
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From: Crosby, TX
Default What would cause the converter to stay locked on Deceleration?

It's been doing it for about a month now.. it shakes/shudders the truck (keep in mind this is with my foot OFF the gas)
It's SUPPOSED to unlock when you're coasting right? say around 50-60? it does it bad at 60.
I need to get on this asap guys, so any suggestions or tips.

the only reason why i say it's locked is because if i have my foot on the gas (say the TPS is at 2-3%) and i manually unlock the converter by pressing the brake (still holding the gas pedal down) and THEN coasting (foot off pedal), it will not shudder at all.

I doubt the lock up clutch is bad because it's been rebuilt by Chris @ circle D a good 7k miles ago so, any suggestions would help.

Transmission is a 60e btw.
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