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Remanufactured Valve Body
Internal
Pressure Switch Rebuild Kit 144510-09K
-
Helps cure:
- Pressure switch codes
- Pressure control out-of-range codes
- Failsafe mode
- Slips, flares & bind-ups
- Harsh shifts
- Shift codes
Pump
Oversized Pressure Regulator Valve Kit 144510-03K
-
Helps cure:
- Poor shift quality
- TCC apply & release concerns
- Erratic line pressure
- Burnt clutches
- Low converter & lube flow
- Overheating
-
Tooling:
- F-144510-TL3C
- VB-FIX
Oversized Pressure Regulator Valve Kit 144510-01K
-
Helps cure:
- Erratic line pressure
- Burnt clutches
- Poor shift quality
- Low converter & lube flow
- Overheating
- TCC apply & release concerns
-
Tooling:
- F-144510-TLC
- VB-FIX
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
Valve Body
(View Valve Body Layout Diagram)
Actuator Feed Limit Valve Kit 144740-39K
Compensator Feed Regulator Valve Kit 104740-09K
O-Ringed End Plug Kit 144740-02K
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 Clutch Boost Valve 144740-22
-
Helps cure:
- Slip codes
- Delayed engagement
- 1-2-3-4 Clutch burned
- Shift quality is not load sensitive
- Harsh shifts
- Slide shifts
- Slips & flares
-
Tooling:
- F-144740-TL22
- VB-FIX
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
TCC Regulator Valve Kit 144740-38K
Zip Kit® 6T40-ZIP
Tech Resources
FEATURED
October 31, 2014
Vacuum Test Guide
GM 6T30/40/45/50 (Gen. 1) 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
December 23, 2014
Valve Body Layout
GM 6T30/40/45/50 (Gen. 1) Valve Body Layout
January 25, 2023
Uncovering the Root Cause of Pressure & Complaints – The Critical Role of Solenoid Modulator & AFL Valves
Maura Stafford
December 29, 2022