GM 4L60-E, 4L65-E, 4L70-E Valve Body Layout
Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Each layout:
- Displays an exploded view location guide for individual valve trains
- Identifies symptoms and recommended solutions for quality rebuilds
- Provides active links to view specific part details
- Lists any tools/fixtures required for part installation
- Illustrates correct part orientation
With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop.
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Related Units
Related Parts
Required
Recommended
Required
Recommended
Required
Recommended
4L60, 4L60-E, 4L65-E, 4L70-E, Powerglide, TH350C, TH400
Stator Support Bushing 35007A
- Bushing Style: Precision
- Material: Steel-backed copper alloy
- Width: 0.500"
- Housing Bore: 1.121"
- Inner Dia.: 1.004"
- Shaft Dia.: 1.002"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
4L60, 4L60-E, 4L65-E, 4L70-E
Rear Stator Support Bushing 77002B
Wider than OE
- Bushing Style: Precision
- Material: Steel-backed lead/bronze alloy
- Width: 0.510"
- Inner Dia.: 1.250"
- Housing Bore: 1.360"
- Shaft Dia.: 1.237"
-
Helps cure:
- Bushing wear
- Bushing failure
Required
Recommended
Required
Recommended
4L60-E, 4L65-E, 4L70-E
TCC Regulator & Isolator Valve Kit 77754-03K
4L60-E '97-earlier only, non-EC3 units
-
Helps cure:
- Code 894, 1870
- Overheated converter
- Low TCC apply pressure
- 3-4 Clutch burned
- 1-2 Harsh
- Low line pressure
Required
Recommended
4L60-E, 4L65-E, 4L70-E
TCC Regulator & Isolator Valve Kit 77754-04K
Fits all years & '98-later EC3 units
-
Helps cure:
- Code 894, 1870
- Overheated converter
- Low TCC apply pressure
- 3-4 Clutch burned
- 1-2 Harsh
- Low line pressure
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Actuator Feed Limit Valve Kit 77754-09K
-
Helps cure:
- Wrong gear starts
- Solenoid performance codes
- Erratic line pressure
- Clutch failure
- Band failure
- No 4th
- Harsh shifts
- 2nd Gear starts
Required
Recommended
4L60-E, 4L65-E, 4L70-E
3-2 Control Valve Spring 77754-23
For use in '96-later on/ff style 3-2 control valve bodies. It will not work in '93–'95 PWM style 3-2 control valve bodies.
-
Helps cure:
- Broken 3-2 control valve spring
- 3-2 Bind-up
- Overheated 2-4 band
Required
Recommended
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized 3-4 Shift Valve Kit 77754-42K
-
Helps cure:
- 2nd Gear starts
- Low AFL pressure
- 3rd Clutch failure
- 3-4 Concerns
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Isolator Sleeve Kit 77754-ISO
-
Helps cure:
- Code 894, 1870
- TCC cycling
- TCC slip
- 3-4 Clutch failure
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized Pressure Regulator Valve 77917-07
-
Helps cure:
- Erratic line pressure
- Low line rise
- 3-4 Clutch failure
- Excess pump noise
- Reverse chatter
Required
Recommended
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Stator Support Shaft Assembly 77918S-09K
280mm or 300mm Converter, reluctor style, '04-later.
-
Helps cure:
- 3-4 Clutch failure
- Code 894, 1870
- Overheated converter
- No 3rd
- Delayed Reverse
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Stator Support Shaft Assembly 77918S-1K
280mm or 300mm Converter, non-reluctor style. '99-'04.
-
Helps cure:
- 3-4 Clutch failure
- Code 894, 1870
- Overheated converter
- No 3rd
- Delayed Reverse
Required
Recommended
4L60, 4L60-E
Stator Support Shaft Kit 77918S-K
245mm or 298mm Converter, non-reluctor style, universal bolt pattern
-
Helps cure:
- Overheated converter
- Worn splines
- TCC apply & release concerns
Required
Recommended
4L60, 4L60-E
TCC Solenoid Snout Kit 77942-01K
-
Helps cure:
- TCC apply concerns
- Overheated converter
- Loss of lube oil
Required
Recommended
4L60-E, 4L65-E, 4L70-E
TCC Solenoid Snout Kit 77942-02K
Fits '97-later PWM units. Built-in anti-drainback valve.
-
Helps cure:
- TCC apply concerns
- Overheated converter
- Loss of lube oil
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized 4-3 Sequence Valve Kit 77964-04K
-
Helps cure:
- No 4th
- 2-4 Band burned
- Low 4th Gear pressure
Required
Recommended
4L60-E, 4L65-E, 4L70-E
3-4 Relay O-Ringed End Plug Kit 77964-08K
Fits two locations
-
Helps cure:
- Loss of D3 oil
- Loss of 4th signal oil
- No 4th
- Drops out of 4th
Required
Recommended
4L60-E, 4L65-E, 4L70-E
The Sure Cure® Kit SC-4L60E
Fully compatible with '95-later with PWM/EC3 (electronically controlled capacity clutch) control.
-
Helps cure:
- 3-4 Clutch failure
- Burnt clutches & bands
- Pump noise
- Reduced 3-4 clutch life
- Rotor fracture
- Erratic line pressure
- Low line rise
- 1-2 Harsh
- 2-3 Shift feel poor
- Poor shift quality
- Code 894, 1870
- Falls out of lockup when hot
- No lockup
- TCC slip
Required
Recommended
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized 4-3 Sequence Valve Kit 77964-14K
Use with OE valve/bore only, addresses wear at inboard two spools & other locations.
-
Helps cure:
- 2-4 Band burned
- Low 4th Gear pressure
- No 4th
- 2nd Quality poor
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized Forward & Reverse Abuse Valve Kit 77754-58K
Fits in either of two locations.
-
Helps cure:
- Delayed Forward
- Delayed Reverse
- Forward or Low/Reverse clutch distress
- Damaged valve body casting
- Low line pressure upon engagement
Required
Recommended
4L60-E, 4L65-E, 4L70-E
Oversized Low Overrun Valve Kit 77754-62K
-
Helps cure:
- Burnt Reverse clutch
- Burnt Low/Reverse clutch
- No Reverse
- No Manual 1st
- Slips in Forward & Reverse
- Low line pressure in Reverse
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