Tool kit F-77754-SERV is no longer in production. Check with your distributor for availability.

4L60-E, 4L65-E, 4L70-E

Part No. 77754-RM5

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Reamer for 77754-ISO, 77754-03K & 77754-04K

Bench tool kits 77754-SERV and 77754-RM5 are available for reaming GM SERV (remanufactured valve bodies).

  • 4L60-E, 4L65-E, 4L70-E Reamer 77754-RM5


Cleaning & Care Techniques for Sonnax Reamers

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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