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
This combination of filters has no results. You can either remove them one by one, or clear all filters using the button below.
Internal
Pump
Oversized Pressure Regulator Valve Kit 144510-12K
-
Helps cure:
- Burnt clutches
- Erratic line pressure
- Low converter & lube flow
- Overheating
- Poor shift quality
- TCC apply & release concerns
-
Tooling:
- F-144510-TL12C
- 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
Checkball 10000-08
Imidized Plastic, .250" Dia.
- Material: Imidized Plastic
- Dia.: 0.250"
-
Helps cure:
- Lost or damaged component
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
January 25, 2023
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Maura Stafford
December 29, 2022
Zip Kit FAQ: What's Up with Plugging Separator Plate Ports?
July 01, 2020
Always Identify These Valve Bodies BEFORE You Start a Transmission Rebuild
Andrew Jessiman
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 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