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Discussion Starter · #1 ·
So I have a 2007 Tbss and was having tranny it would slip and I would need to let go off the gas pedal for it to shift so I got a rebuild on it and same thing is still happening don’t know what the problem is and yes the input speed sensor was replace
 

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Which shift is not happening? All 1-2,2-3, and/or 3-4

each one has different troubleshooting steps.

As for the rebuild do you have a copy of all that was replaced? More importantly did they pressure check the valvebody? That causes a lot of issues with the 4L60/65/70 over the decades
 

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Discussion Starter · #3 ·
It’s all gears I got the kit from ct power train products
New Complete TransTec Overhaul Kit
Late Pump Wedge Type Outer Seal
Fiber Pan Gasket
All Paper Gaskets
All Rubber Seals
All Rubber O'rings
Metal Clad Pump Hard Seal
Metal Clad Tail Housing Hard Seal
Metal Clad Shift Shaft Seal
Teflon Sealing Ring Kit
Small Nylon Filter Screens
Misc. Small Seals Sub-kit
New Raybestos Tan Friction Lined Clutch Plates (Less 3-4 Plates)
(2) X Over-run
(5) X Forward
(4) X Reverse-input
(5) X Low-reverse
New Raybestos Zpak 3-4 Clutch Update Kit
New Steels Kit (Less 3-4 Steels & Pressure Plates) Non-kolene
(2) X Over-run
(5) X Forward
(4) X Reverse-input
(5) X Low-reverse
New Regular Size Carbon Band.
New Bushing Kit With Teflon Pump And Tail Bushing.
New Transmission Oil Filter For Regular Pan Or Deep Pan**.
New 3/4 Bonded Rubber Molded Piston.
New Over-run Bonded Rubber Molded Piston.
New Forward Bonded Rubber Molded Piston.
New TransGo 46-PLT-07 Valve Body Separator Plate (Replaces Bonded Plate) that’s what was replace and sunsell, servo, input drum and speed sensor
 

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I would have pulled the valve body and pressure tested the whole thing for any bore wear or cross leaks. None of the electronics were replaced which is surprising as it’s less than $100 in parts for a new harness and solenoids, one of those while you’re in there replacing all the things…
 
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