Symptoms:

  • Engine stall on stop
  • Engine stall on N-D engagement
  • Overheated converter

Cause:

Wear between the TCC boost valve and sleeve will prevent proper stroking of the converter clutch apply valve to the release position.

Correction:

Sonnax drop-in TCC boost valve kit restores hydraulic integrity to the circuit with tightly controlled tolerances.
  • 01M, 01N, 01P TCC Boost Valve Kit 119940-01K
  • 01M, 01N, 01P TCC Boost Valve Kit 119940-01K