6T70 (Gen. 1), 6T75 (Gen. 1) Remanufactured Valve Body GM6T70-1E
Fits '07-'08 units with 1.35 ratio 3-5-R clutch regulator valve. Sold without TEHCM.
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Remanufactured Valve Body
6T70 (Gen. 1), 6T75 (Gen. 1) Remanufactured Valve Body GM6T70-1L
Fits '09-'13 units with 1.83 ratio 3-5-R clutch regulator valve. Sold without TEHCM.
Internal
3-5-R Drum Saver Kit 124555K
-
Helps cure:
- Code P0776
- Flare shifts
- Harsh Reverse
- No Reverse
- 2-3 Harsh
- No 3rd
- 4-5 Harsh
- No 5th
Pump
Pump Vane 124533
- Thickness: 0.079"
- Width: 0.468"
- Height: 0.864"
-
Helps cure:
- Lost or damaged component
Valve Body
(View Valve Body Layout Diagram)
4-5-6 Accumulator Piston Kit 124740-04K
AFL/Solenoid Pressure Regulator Valve Kit 124740-32K
Actuator Feed Accumulator Piston Kit 124740-73K
Isolator Valve Kit 124740-03K
O-Ringed End Plug Kit 124740-02K
Oversized 2-6 Clutch Regulator Valve Kit 124740-17K
-
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-TL17
- VB-FIX
Oversized 3-5-R Clutch Regulator Valve Kit 124740-21K
Replaces 1.83 ratio OE valve with .335" dia. small spool.
-
Helps cure:
- 2-3 Flare
- 4-5 Flare
- Delayed Reverse
- Reverse slip
- 3-5-Reverse clutch burned
- Ratio codes
- Bind-up
- Burnt Reverse clutch
-
Tooling:
- F-124740-TL21
- VB-FIX
Oversized 3-5-R Clutch Regulator Valve Kit 124740-26K
Replaces 1.35 ratio OE valve with .390" dia. small spool.
-
Helps cure:
- 2-3 Flare
- 4-5 Flare
- Delayed Reverse
- Reverse slip
- 3-5-Reverse clutch burned
- Ratio codes
- Bind-up
-
Tooling:
- F-124740-TL26
- VB-FIX
Oversized AFL/Solenoid Pressure Regulator Valve 124740-01
-
Helps cure:
- Solenoid performance codes
- Wrong gear starts
- Clutch failure
-
Tooling:
- F-104740-TL12
- VB-FIX
Oversized Actuator Feed Accumulator Piston Kit 124740-40K
-
Helps cure:
- Harsh shifts
- Soft shifts
- Solenoid performance codes
-
Tooling:
- 124740-TL40
Oversized Clutch Boost/Latch Valve 144740-23
Fits any of 3 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 124740-12K
-
Helps cure:
- Erratic line pressure
- Poor shift quality
- Burnt clutches
- Low converter & lube flow
- Overheating
- TCC apply & release concerns
-
Tooling:
- F-124740-TL12
- 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
Pressure Switch Rebuild Kit 124740-70K
-
Helps cure:
- Pressure switch codes
- Switch codes
- Pressure control out-of-range codes
- Slips, flares & bind-ups
- Failsafe mode
- Erratic TCC apply
- Harsh shifts
- Shift codes
-
Tooling:
- 124740-TL70
TCC Regulator Valve Kit 124740-31K
Zip Kit® 6T70-ZIP
Other
Tech Resources
January 30, 2023
Signal Accumulators & Solenoid Dampers: Their Function & Impact on Drivability Complaints
Maura Stafford
January 25, 2023
Uncovering the Root Cause of Pressure & Complaints – The Critical Role of Solenoid Modulator & AFL Valves
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December 29, 2022
Zip Kit FAQ: What's Up with Plugging Separator Plate Ports?
October 13, 2022
How to Get Started with OE ECU Reprogramming
Jim Mobley
September 27, 2021
GM 6T70/75 (Gen. 1) Valve Body Layout
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
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January 09, 2020
Остановка отказа GM 6T40 и 6T70 3-5-R с помощью комплектов Sonnax Drum Saver
September 19, 2019
GM 6T40 & 6T70 Drum Saver Kits: Unbeatable Protection Against 3-5-R Failures & Comebacks
September 10, 2019
Protect Against 6T40 & 6T70 3-5-R Failures & Salvage Damaged Drums with Sonnax Drum Saver Kits
June 11, 2019
GM 6T70/75/80 (Gen. 1 & 2) Identification Guide
October 18, 2018
GM Gen. 1 6T70 & 6T75 Identification Guide
August 29, 2018
Trading Places: Avoiding Valve Body Pitfalls with GM/Ford 6-Speed Automatic Transaxles
Tory Royce
February 12, 2018
The Greatest Generation: 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
August 01, 2017
Transmission Report: Recognize & Repair Solenoid Accumulators in Late-Model Valve Bodies
July 27, 2017
How to Recognize & Repair Solenoid Accumulators in Late-Model Valve Bodies
June 23, 2015
Sonnax Webinar: GM Gen. 1 6T70/75/80 | Ford 6F50/55 Concerns & Repair Techniques
December 02, 2014
GM Gen. 1 6T70, 6T75 Vacuum Test Guide
October 30, 2014
Transmission Report: Money in the Bank - The GM/Ford Joint Venture
October 28, 2014
How to Rebuild TEHCM Pressure Switches in GM 6L45/50/80/90 & Gen. 1 6T70/75 Transmissions
October 27, 2014
Under Pressure: Shift Quality & Pressure Switches in TEHCM Applications
October 24, 2014