Symptoms:

  • TCC codes
  • Converter shudder & TCC slip
  • TCC apply concerns
  • Overheated fluid & TCC lining
  • Loss of fuel economy

Cause:

Bore wear at the TCC apply valve allows pressure loss that causes drivability concerns.

Correction:

Recover hydraulic control and renew TCC performance by reconditioning the bore and installing Sonnax oversized TCC apply valve.
  • CFT30 Oversized TCC Apply Valve 33740-06
  • CFT30 Oversized TCC Apply Valve 33740-06

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.

CFT30 Oversized TCC Apply Valve Vacuum Test Locations