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Pump
Valve Body
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
Tech Resources
June 22, 2021
GM 6T40 Pump Identification & the Gen. 3 Lube-on-Demand Valve
Jason Larochelle
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
May 25, 2017
GM 6T30/40/45/50 (Gen. 2), 6T35/31/41/46/51 (Gen. 3 6T40) Vacuum Test Guide
September 18, 2014