6T70 (Gen. 2), 6T75 (Gen. 2), 6T80 (Gen. 2) Remanufactured Valve Body GM6T70-2
Fits '13-later only, Sold without TEHCM.
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Remanufactured Valve Body
Valve Body
(View Valve Body Layout Diagram)
4-5-6 Accumulator Piston Kit 124740-57K
Actuator Feed Limit Valve Kit 124740-33K
Isolator Valve Kit 124740-03K
O-Ringed End Plug Kit 124740-02K
Oversized 2-6 Clutch Regulator Valve Kit 124740-66K
-
Helps cure:
- 1-2 Flare
- 5-6 Flare
- 2nd Slip
- 6th Slip
- No 2nd
- No 6th
- Ratio codes
- 2-6 Clutch burned
- Erratic shift timing
-
Tooling:
- F-124740-TL66
Oversized Actuator Feed Accumulator Piston Kit 124740-65K
-
Helps cure:
- Harsh shifts
- Soft shifts
- Solenoid performance codes
-
Tooling:
- 124740-TL40
- 124740-JP40
Oversized Actuator Feed Limit Valve Kit 124740-48K
-
Helps cure:
- Wrong gear starts
- Clutch failure
- Solenoid performance codes
-
Tooling:
- F-124740-TL48
- VB-FIX
Oversized Clutch Boost Valve 124740-56
Fits any of three locations.
-
Helps cure:
- Shift quality is not load sensitive
- Harsh shifts
- Slips & flares
- Delayed engagement
- Burnt clutches
- Slide shifts
- Slip codes
-
Tooling:
- F-144740-TL22
- VB-FIX
Oversized Pressure Regulator Valve Kit 124740-60K
-
Helps cure:
- Erratic line pressure
- Poor shift quality
- Burnt clutches
- Low converter & lube flow
- Overheating
- TCC apply & release concerns
-
Tooling:
- F-124740-TL60
- VB-FIX
Oversized TCC Control Valve Kit 124740-14K
-
Helps cure:
- Excess TCC slip
- Low cooler flow
- Overheating
- TCC apply & release concerns
- Low converter & lube flow
- TCC apply codes
- TCC lining failure
-
Tooling:
- F-124740-TL14
- VB-FIX
Oversized TCC Regulator Valve Kit 124740-24K
-
Helps cure:
- Code P0741, P0742
- Harsh TCC apply
- TCC slip
- Loss of fuel economy
- Low TCC apply pressure
- Overheated fluid & TCC lining
-
Tooling:
- F-124740-TL24
- VB-FIX
TCC Regulator Valve Kit 124740-31K
Zip Kit® 6T70-G2-ZIP
Tech Resources
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
June 11, 2019
GM 6T70/75/80 (Gen. 1 & 2) Identification Guide
November 09, 2018
GM 6T70, 6T75, 6T80 (Gen. 2) Valve Body Layout
August 09, 2018
GM Gen. 2 6T70, 6T75, 6T80 Vacuum Test Guide
February 12, 2018
Transmission Report: How Small Changes Led to the New Form & Function of Gen. 2 6T70/75 Valve Bodies
January 05, 2018
“Yaw” Won’t Believe What Was Wrong…
Dan Tucker