Symptoms:

  • No lockup
  • Falls out of lockup
  • Code 1582
  • Engine stall on engagement
  • Engine shudder on engagement

Cause:

Wear at the TCC apply valve bore in the valve body allows converter clutch apply oil to exhaust.

Correction:

Sonnax oversized TCC apply valve kit prevents apply pressure leakage and restores proper converter clutch control.

You need this if...

Vacuum testing at the port(s) indicated fails to hold the recommended minimum in-Hg, or if wear is visually detected.

01M, 01N, 01P Oversized TCC Apply Valve Kit Vacuum Test Locations