Product Description
Sonnax round washer 77731-04 is a direct replacement for worn or damaged OE washers in four-pinion rear planetary assemblies in listed GM transmissions. The Sonnax washer is made from through-hardened steel to help eliminate needle roller thrust wear.
PACKAGE CONTAINS
- Washer (1)
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.
