Symptoms:

  • Delayed engagement
  • Poor line pressure control
  • Erratic shifts
  • Poor lube oil control
  • Overheated converter
  • Buzzing noise
  • Lost or damaged component

Cause:

Loss of oil pressure due to worn components in critical oil circuits.

Correction:

Zip Kit seals critical pressure losses and restores normal shift operation. The included separator plate ensures you bring the valve body back to the correct operation. Drop-in parts install quickly and easily.
  • 48RE Zip Kit® 48RE-ZIP
  • 48RE Zip Kit® 48RE-ZIP details
Sonnax Zip Kit

The Sonnax ZIP KIT®

The First Step in Correcting Common Shift Problems

It's easy to restore and extend vehicle shift quality with Zip Kits. Uniquely designed, drop-in Sonnax parts target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission.

Learn More About Sonnax Zip Kits