Transmission Parts GM 4L70-E4L60-E4L65-E Pump Shaft

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Symptoms:

3-4 Clutch failure
代码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 this stator support shaft assembly

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

Stator Support Shaft Assembly
Part No.77918 s-1k

280mm or 300mm Converter, non-reluctor style

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Sonnax stator support shaft assembly 77918S-1K eliminates sleeve rotation by mechanically fastening the sleeve in place with a set screw, further 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.