Symptoms:

  • Planetary failure
  • Planetary wear

Cause:

Excess clearance due to worn planetary components.

Correction:

Rebuild the front planetary using Sonnax batwing washer.

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

Batwing Washer
Part No. 74582-01K

Fits 5-pinion front planetary.

Find a Distributor

Sonnax PTFE-coated batwing washer 74582-01K is a direct replacement for worn or damaged OE washers in GM 4L60-E, 4L65-E and 4L70-E transmissions.

  • 4L60-E, 4L65-E, 4L70-E Batwing Washer 74582-01K
  • 4L60-E, 4L65-E, 4L70-E Batwing Washer 74582-01K details