Symptoms:

  • TCC codes
  • Shudder
  • TCC apply & release concerns
  • Excess TCC slip
  • Overheating
  • TCC lining failure
  • Low converter & lube flow
  • Low cooler flow
  • Poor fuel economy

Cause:

Persistent TCC control valve oscillation results in bore wear that causes multiple TCC and lube/cooler circuit concerns.

Correction:

Restore proper TCC function and cooling circuit operation by refurbishing the bore and installing Sonnax oversized TCC control valve kit.
  • A6GF1, A6LF1/2/3, A6MF1/2 Oversized TCC Control Valve Kit 102741-11K
  • A6GF1, A6LF1/2/3, A6MF1/2 Oversized TCC Control Valve Kit 102741-11K

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.

A6GF1, A6LF1/2/3, A6MF1/2 Oversized TCC Control Valve Kit Vacuum Test Locations