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Remanufactured Valve Body
Internal
3-5-R Drum Saver Kit 144555K
-
Helps cure:
- Code P0776
- Flare shifts
- Harsh Reverse
- No Reverse
- 2-3 Harsh
- No 3rd
- 4-5 Harsh
- No 5th
4-5-6 Clutch Drum Bushing 144030-02
Front Side
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.759"
- Shaft Dia.: 1.632"
- Width: 0.356"
-
Helps cure:
- Bushing wear
- Bushing failure
4-5-6 Clutch Drum Bushing 144030-01
Rear Side
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.969"
- Shaft Dia.: 1.840"
- Width: 0.310"
-
Helps cure:
- Bushing wear
- Bushing failure
4-5-6 Clutch Hub Bushing 144030-03
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 0.920"
- Shaft Dia.: 0.821"
- Width: 0.300"
-
Helps cure:
- Bushing wear
- Bushing failure
Drive Sprocket Hub Bushing 144030-08
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 0.887"
- Shaft Dia.: 0.790"
- Width: 0.385"
-
Helps cure:
- Bushing wear
- Bushing failure
Output Planet Sun Gear Bushing 144030-07
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.478"
- Shaft Dia.: 1.360"
- Width: 0.545"
-
Helps cure:
- Bushing wear
- Bushing failure
Reaction Sun Gear Bushing 144030-04
- Bushing Style: Precision
- Material: Steel-backed alloy
- Housing Bore: 1.307"
- Shaft Dia.: 1.183"
- Width: 0.552"
-
Helps cure:
- Bushing wear
- Bushing failure
Pump
Oversized TCC Control Valve Kit 144510-05K
-
Helps cure:
- Excess TCC slip
- Low cooler flow
- Overheating
- Low converter & lube flow
- TCC apply & release concerns
- TCC codes
- TCC lining failure
-
Tooling:
- F-144510-TL5C
- VB-FIX
Pump Bushing 144030-06
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.698"
- Shaft Dia.: 1.562"
- Width: 0.710"
-
Helps cure:
- Bushing wear
- Bushing failure
Stator Support Bushing 144036B
- Bushing Style: Precision
- Material: Steel-Backed Alloy
- Housing Bore: 0.919"
- Shaft Dia.: 0.791"
- Width: 0.845"
-
Helps cure:
- Spun-out bushings
- TCC slip
- Code P0741
- Code P1744
- Premature wear & bushing failure
Valve Body
(View Valve Body Layout Diagram)
Actuator Feed Limit Valve Kit 144740-39K
O-Ringed End Plug Kit 144510-14K
Oversized Actuator Feed Limit Valve 144740-01
-
Helps cure:
- No 4th
- No 5th
- No 6th
- Low clutch oil pressure
- Harsh shifts
- Flare shifts
-
Tooling:
- 144740-TL
Oversized TCC Regulator Valve Kit 144740-16K
-
Helps cure:
- Code P0741, P0742
- No lockup
- TCC slip
- Loss of fuel economy
- Low TCC apply pressure
- Overheated fluid & TCC lining
- Harsh TCC apply
-
Tooling:
- F-144740-TL16
- VB-FIX
Signal Accumulator Piston Kit 144740-40K
TCC Regulator Valve Kit 144740-38K
Zip Kit® 6T40-GEN2-3-ZIP
Case
Axle Bushing 144030-09A
- Bushing Style: Precision
- Material: PTFE-Impregnated Bimetal
- Housing Bore: 1.524"
- Shaft Dia.: 1.378"
- Width: 0.635"
-
Helps cure:
- Bushing wear
- Bushing failure
Case Saver Kit 144281-01K
-
Helps cure:
- Worn bearing housing
- Bushing wear
- Axle shaft leak
- Excess differential/axle backlash
- Excess endplay
- Difficulty setting endplay
Tech Resources
FEATURED
May 25, 2017
Vacuum Test Guide
GM 6T30/40/45/50 (Gen. 2), 6T35/31/41/46/51 (Gen. 3 6T40) Vacuum Test Guide
September 18, 2014
Identification Guide
GM Gen. 1, 2 & 3 6T30, 6T40, 6T45, 6T50 Series Identification Guide
July 01, 2020
Identification Guide
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
June 02, 2017
Valve Body Layout
GM 6T30/40/45/50 (Gen. 2), 6T40 (Gen. 3) Valve Body Layout
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
Maura Stafford
December 29, 2022
Zip Kit FAQ: What's Up with Plugging Separator Plate Ports?
December 07, 2022
Stop-Start Accumulators: What You Don't Know CAN Hurt You
Matt Allbert
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
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
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 02, 2017
GM 6T30/40/45/50 (Gen. 2), 6T40 (Gen. 3) Valve Body Layout
May 25, 2017
GM 6T30/40/45/50 (Gen. 2), 6T35/31/41/46/51 (Gen. 3 6T40) Vacuum Test Guide
September 18, 2014