4L60-E, 4L65-E, 4L70-E
Reamer
Part No. 77754-SERV
You need this if...
View Instructions
Find a Distributor
Reamer for SERV (GM Reman) Valve Bodies
Reamer kit F-77754-SERV is no longer in production but may be available from distributor inventory. Bench tool kits 77754-SERV and 77754-RM5 are available for reaming GM SERV (remanufactured valve bodies).
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Cleaning & Care Techniques for Sonnax Reamers
You need this if...
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
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