Product Description
Sonnax part number: 77731-02K
Sonnax pinion pin 77731-02K is a direct replacement for worn or damaged OE pinion pins in rear planetaries in listed GM transmissions. Hollow design features lube holes to reduce planetary burn-up.
Pinion endplay factory specification of between .008" to .024".
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.
Contents
- Pin (4)
Product Videos
Custom Field
Transmission Model(s) 700R4, 4L60E, 4L65E, 4L70E
