4L60-E, 4L65-E, 4L70-E
Reamer
Part No. 77754-R2
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See the Part Selection and Reaming Options Instruction sheet to determine which combined Sonnax parts and tool kits will repair your GM 4L60-E PWM and Non-PWM valve body
Required By
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
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
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