Transmission Parts GM 4L60-E 4L65-E 4L70-E Pump Shaft

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Symptoms:

3-4 Clutch failure
Code 894, 1870
Overheated converter
No 3rd
Delayed Reverse

Cause:

Overheating and manufacturing flaws cause sleeve rotation and block oil flow, which leads to transmission failure.

Correction:

Replace worn or damaged stator shaft with Sonnax stator support shaft assembly.

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

Stator Support Shaft Assembly
Part No. 77918S-08K

298mm Converter, reluctor style

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Sonnax stator support shaft assembly 77918S-08K for GM 4L60-E, 4L65-E and 4L70-E transmissions eliminates sleeve rotation by securing the sleeve in place with Loctite^®. The assembly is 100% leak tested by Sonnax to ensure a secure seal. Shafts have slotted bolt holes for easy alignment during installation.