Symptoms:

  • Planetary failure
  • Planetary wear

Cause:

Insufficient lube oil and/or excessive clearances.

Correction:

Sonnax offers replacement parts for rebuilding damaged rear planet assemblies and gives rebuilders the option of replacing only the worn components.

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

Rear Planetary Pinion Pin
Part No. 77732-02

Package Quantity: 5

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Sonnax rear planetary pinion pin 77732-02 is a direct replacement for worn or damaged OE pinion pins in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L80-E units. Solid design can be used to rebuild four- or five- pinion rear planetary assemblies.

  • 4L60, 4L60-E, 4L65-E, 4L70-E Rear Planetary Pinion Pin 77732-02