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Remanufactured Valve Body
Internal
3rd Clutch Piston Kit 84965-01K
3rd Clutch Piston Lip Seal 84965-SK
Differential Carrier-to-Case Shim 75410-10
- Material: Steel
- Thickness: 0.010"
- Inner Dia.: 1.445"
- Outer Dia.: 2.170"
-
Helps cure:
- Driveline noise
- Excess backlash
- Reduced differential bearing life
Pinion Thrust Washer 34875-04
For output and reaction planetaries, fits all TH400, 4T65-E and '98-earlier 4L80-E with .750" wide pinion gears.
-
Helps cure:
- Lost or damaged component
Planetary Thrust Bearing 34821-01
- Bearing Style: Enclosed
- Material: Hardened Steel
- Outer Dia.: 1.802"
- Thickness: 0.168"
- Inner Dia.: 1.132"
-
Helps cure:
- Lost or damaged component
Shim 84733-20
Input clutch endplay Input Clutch Hub
- Material: Steel
- Outer Dia.: 2.950"
- Thickness: 0.020"
- Inner Dia.: 2.385"
-
Helps cure:
- Driveline clunk
- Reduced bearing life
- Loss of lube oil
- Rapid sealing ring wear
Shim 84733-10
Input clutch endplay Input Clutch Hub
- Material: Steel
- Inner Dia.: 2.385"
- Outer Dia.: 2.950"
- Thickness: 0.010"
-
Helps cure:
- Driveline clunk
- Reduced bearing life
- Loss of lube oil
- Rapid sealing ring wear
Valve Body
(View Valve Body Layout Diagram)
2-3 Accumulator Valve Kit 84754-53K
2-3 Shift Valve 84754-36K
3-2 Manual Downshift Valve 84754-37K
4-3 Manual Downshift Valve 84754-39K
Boost Valve Kit 84754-30K
Line Pressure Booster Kit 4T65E-LB1
Oversized 1-2 Accumulator Valve 84754-57K
-
Helps cure:
- 1-2 Quality poor
- Flare shifts
- Soft shifts & poor line rise
-
Tooling:
- F-84754-TL57
- VB-FIX
Oversized 3-4 Accumulator Valve Kit 84754-58K
Oversized 3-4 Accumulator Valve Kit 84754-55K
Oversized Pressure Regulator Valve Kit 84754-46K
-
Helps cure:
- Erratic line pressure
- Burnt clutches
- Poor shift quality
- Overheating
- TCC apply & release concerns
- Low converter & lube flow
-
Tooling:
- 84754-TL46
Oversized Torque Signal Valve 84754-44
-
Helps cure:
- Erratic line pressure
- Low line pressure
- Code 1811
- Code P0741, P0742
- Shudder condition
- Slipping gears
-
Tooling:
- 84754-TL44
TCC Apply Valve Kit 84754-43K
TCC Regulated Apply Valve Kit 84754-34K
-
Helps cure:
- TCC slip
- Code P0741
- Cycling TCC RPM
-
Tooling:
- 84754-TL3
The Sure Cure® Kit SC-4T65E
Enclosed pump slide pivot pin does not fit late-style, 3-piece pump.
-
Helps cure:
- Low line rise
- Low Reverse boost
- Soft shifts
- Maximum adapt
- Long shifts
- Converter shudder
- Overheated converter
- Code 741, 1811
- Falls out of lockup when hot
- No lockup
-
Tooling:
- 84754-TL3
- F-84596-TL
- VB-FIX
Case
Differential Lube Tube Retainer Kit 84532-01K
-
Helps cure:
- Differential lube failure
- Difficulty in retaining differential lube tube
Oversized Accumulator Pin & Reamer Kit 84754-52K
1-2 & 2-3 locations
-
Helps cure:
- Inconsistent shift quality
- High shift adapt numbers
- Burnt clutches
Oversized Accumulator Pin Kit 84754-51K
1-2 & 2-3 locations
-
Helps cure:
- Inconsistent shift quality
- High shift adapt numbers
- Burnt clutches
-
Tooling:
- 84754-52K
Servo/Band
Extended Length Forward Band Servo Pin Kit 84571-01K
-
Helps cure:
- Band failure
- Forward slip
- Burnt Forward band
Other
AFL Valve Kit 84596-02K
-
Helps cure:
- Erratic line pressure
- Maximum adapt
- Code 1811
- 2nd Gear starts
- Poor EPC control
- Long shifts
- TCC piston failure
-
Tooling:
- F-84596-TL
- VB-FIX
TCC Relief Valve 84757-01K
Calibrated to prevent excessive apply pressure,
-
Helps cure:
- Repeated converter failure
- Overheating
- Low cooler flow
- TCC slip
- Loss of lube oil
Tech Resources
January 25, 2023
Uncovering the Root Cause of Pressure & Complaints – The Critical Role of Solenoid Modulator & AFL Valves
Maura Stafford
October 24, 2018
Clean Up Your Shifts with Sonnax Line Pressure Booster Kits
March 29, 2017
Transmission Report: Sonnax Voted Tops for Parts & Tools!
March 28, 2017
Stop 4T60-E, 4T65-E Case Wear, Band Slippage & Breakage with a Longer Servo Pin
Jim Dial
April 07, 2015
Drilling Orifices the Smart Way
December 12, 2014
GM 4T65-E Valve Body Layout
March 21, 2013
GM 4T65-E Vacuum Test Guide
January 01, 2013
GM 4T65-E Channel Plate Common Problems & Solutions
Valve Body Xpress
April 02, 2008
An Easier Way to Rebuild Planets
Gregg Nader
September 05, 2007
Conquering the Planets
Gregg Nader
May 16, 2006
SonnaFlow® Chart: 4T65-E (Normal)
November 13, 2005
4T65-E All Wheel Drive Problems Noise and Gear Failures
Ed Lee
September 13, 2005
Troubleshooting the 4T65-E: A Matter of Interpretation
Bob Warnke
June 14, 2005
GM's Steady State Adapts
Dan Tucker
May 14, 2005
Playing TAPS on Pressure Systems
Dan Tucker
June 14, 2004
4T65-Es and the Mysterious Code P0730
Ed Lee
September 22, 2003
Speed Bumps in TCC Diagnosis: 4T65-E, 46/47RH/RE
Bob Warnke
September 15, 2003
Beyond 1870: GM Converter Codes P0741, P0742 and 1887
Gregg Nader