Product Description
Sonnax part number: 77731-04
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.
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
- Washer (1)
Product Videos
Custom Field
Transmission Model(s) 700R4, 4L60E, 4L65E, 4L70E
