Symptoms:

  • Burnt clutches
  • High TCC slip RPM
  • Shift concerns
  • Low cooler flow
  • Harsh shifts
  • Clutch slippage
  • Overheated transmission
  • Code P0218
  • Code P0741, P0742

Cause:

Loss of oil pressure due to worn components in critical oil circuits and/or lube related failure.

Correction:

The parts in this Sure Cure kit repair and restore key areas most prone to TCC-related transmission problems and other issues affecting shift quality.
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  • 6L80, 6L90 The Sure Cure® Kit SC-6L80-6L90
Sonnax Sure Cure Kit

The Sure Cure®

Comprehensive Kit for Big Problems You Don't Want Back

Knowing exactly what parts to replace in troublesome transmissions is an ever-increasing challenge, but Sonnax Sure Cure kits solve this problem for you. Each kit is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance.

Learn More about Sonnax Sure Cure Kits