Symptoms:

  • TCC slip
  • Code P0741
  • Cycling TCC RPM

Cause:

Bore wear at the TCC apply valve allows regulated apply oil to exhaust.

Correction:

Sonnax design improvements aid durability and restore apply pressure to eliminate converter clutch slippage.
  • 4T65-E TCC Regulated Apply Valve Kit 84754-34K
  • 4T65-E TCC Regulated Apply Valve Kit 84754-34K

You need this if...

4T65-E TCC Regulated Apply Valve Kit Vacuum Test Locations