Product Description
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".
PACKAGE CONTAINS
- Pin (4)
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.
